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3.91 Mechanical Behavior of Plastics (MIT) 3.91 Mechanical Behavior of Plastics (MIT)

Description

This course is aimed at presenting the concepts underlying the response of polymeric materials to applied loads. These will include both the molecular mechanisms involved and the mathematical description of the relevant continuum mechanics. It is dominantly an "engineering" subject, but with an atomistic flavor. It covers the influence of processing and structure on mechanical properties of synthetic and natural polymers: Hookean and entropic elastic deformation, linear viscoelasticity, composite materials and laminates, yield and fracture. This course is aimed at presenting the concepts underlying the response of polymeric materials to applied loads. These will include both the molecular mechanisms involved and the mathematical description of the relevant continuum mechanics. It is dominantly an "engineering" subject, but with an atomistic flavor. It covers the influence of processing and structure on mechanical properties of synthetic and natural polymers: Hookean and entropic elastic deformation, linear viscoelasticity, composite materials and laminates, yield and fracture.

Subjects

plastics; synthetic high polymers; viscoelastic phenomena; viscoelastic and strength properties; mechanical property evaluation; plastics fabrication methods | plastics; synthetic high polymers; viscoelastic phenomena; viscoelastic and strength properties; mechanical property evaluation; plastics fabrication methods | plastics | plastics | synthetic high polymers | synthetic high polymers | viscoelastic phenomena | viscoelastic phenomena | viscoelastic and strength properties | viscoelastic and strength properties | mechanical property evaluation | mechanical property evaluation | plastics fabrication methods | plastics fabrication methods

License

Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see http://ocw.mit.edu/terms/index.htm

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3.91J Mechanical Behavior of Plastics (MIT) 3.91J Mechanical Behavior of Plastics (MIT)

Description

Relation among chemical composition, physical structure, and mechanical behavior of plastics or synthetic high polymers. Study of types of polymers; fundamentals of viscoelastic phenomena such as creep, stress relaxation, stress rupture, mechanical damping, impact; effects of chemical composition and structure on viscoelastic and strength properties; methods of mechanical property evaluation. Influences of plastics fabrication methods. Emphasis on recent research techniques and results. Individual laboratory projects investigating problems related to current research. Relation among chemical composition, physical structure, and mechanical behavior of plastics or synthetic high polymers. Study of types of polymers; fundamentals of viscoelastic phenomena such as creep, stress relaxation, stress rupture, mechanical damping, impact; effects of chemical composition and structure on viscoelastic and strength properties; methods of mechanical property evaluation. Influences of plastics fabrication methods. Emphasis on recent research techniques and results. Individual laboratory projects investigating problems related to current research.

Subjects

plastics | | plastics | | synthetic high polymers | | synthetic high polymers | | viscoelastic phenomena | | viscoelastic phenomena | | viscoelastic and strength properties | | viscoelastic and strength properties | | mechanical property evaluation | | mechanical property evaluation | | plastics fabrication methods | plastics fabrication methods | plastics | plastics | synthetic high polymers | synthetic high polymers | viscoelastic phenomena | viscoelastic phenomena | viscoelastic and strength properties | viscoelastic and strength properties | mechanical property evaluation | mechanical property evaluation | 3.91 | 3.91 | 1.593 | 1.593

License

Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see http://ocw.mit.edu/terms/index.htm

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TALAT Lecture 4500: Resistance Welding

Description

This lecture describes the spot welding characteristics of aluminium and its alloys, the spot welding process, the choice of process parameters, strength values, electrode life and ?requirements for quality assurance. General engineering background and knowledge in aluminium metallurgy and physical properties, and surface characteristics (e.g. TALAT lecture 5101) is assumed.

Subjects

aluminium | aluminum | european aluminium association | eaa | talat | training in aluminium application technologies | training | metallurgy | technology | lecture | joining | fastening | mechanical | resistance welding | spot welding | physical properties | steel | resistance | oxide film | surface pretreatment | contact resistance | storage time | peltier effect | spot welding machines | relative voltage drop | resistance welding machine | life of electrodes | machine design | current type | current-force diagram | welding parameters | weld spot diameter | direct current | shear strength | weld strengthrepeated tensile stress fatigue strength | fatigue tests | engineering parts | fatigue strength | 2024cl sheets | quality assurance | imperfections | aeronautical standards | metallography | x-ray analysis | corematerials | ukoer | Engineering | H000

License

Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

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TALAT Lecture 4702: Factors Influencing the Strength of Adhesive Joints

Description

This lecture describes the factors governing the strength of adhesive joints in order to appreciate these factors for the design of adhesively bonded joints, i.e. geometry of joint, stiffness and strength of the adjoining parts, stress distribution in the adhesive layer as well as the effects of humidity and ageing. General background in production engineering and material science, some knowledge of mechanics and polymer science is assumed.

Subjects

aluminium | aluminum | european aluminium association | eaa | talat | training in aluminium application technologies | training | metallurgy | technology | lecture | joining | fastening | mechanical | adhesive bonding | strength | design | stress distributions | lap joints | load distribution | adhesive sheet joints | brittle adhesive layer | elastic-plastic adhesive layer | peeling | geometric parameters | overlapping | overlap length | joining part elongation | stiffness | adhesive strength | joining part thickness | strength of joint parts | ageing | stress | humidity | alloy 6060 - t6 | fatigue strength | deformation behaviour | repeated stress | number of cycles | adhesive layers | corematerials | ukoer | Engineering | H000

License

Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

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Design (MIT) Design (MIT)

Description

This course is intended for first year graduate students and advanced undergraduates with an interest in design of ships or offshore structures. It requires a sufficient background in structural mechanics. Computer applications are utilized, with emphasis on the theory underlying the analysis. Hydrostatic loading, shear load and bending moment, and resulting primary hull primary stresses will be developed. Topics will include; ship structural design concepts, effect of superstructures and dissimilar materials on primary strength, transverse shear stresses in the hull girder, and torsional strength among others. Failure mechanisms and design limit states will be developed for plate bending, column and panel buckling, panel ultimate strength, and plastic analysis. Matrix stiffness, grillage, This course is intended for first year graduate students and advanced undergraduates with an interest in design of ships or offshore structures. It requires a sufficient background in structural mechanics. Computer applications are utilized, with emphasis on the theory underlying the analysis. Hydrostatic loading, shear load and bending moment, and resulting primary hull primary stresses will be developed. Topics will include; ship structural design concepts, effect of superstructures and dissimilar materials on primary strength, transverse shear stresses in the hull girder, and torsional strength among others. Failure mechanisms and design limit states will be developed for plate bending, column and panel buckling, panel ultimate strength, and plastic analysis. Matrix stiffness, grillage,

Subjects

ships | ships | offshore structures | offshore structures | structural mechanics | structural mechanics | Hydrostatic loading | Hydrostatic loading | shear load | shear load | bending moment | bending moment | ship structural design concepts | ship structural design concepts | superstructures | superstructures | primary strength | primary strength | transverse shear stresses | transverse shear stresses | torsional strength | torsional strength | Failure mechanisms | Failure mechanisms | design limit states | design limit states | plastic analysis | plastic analysis | Matrix stiffness | Matrix stiffness | grillage | grillage | finite element analysis | finite element analysis | 2.082 | 2.082

License

Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see http://ocw.mit.edu/terms/index.htm

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1.050 Engineering Mechanics I (MIT) 1.050 Engineering Mechanics I (MIT)

Description

This subject provides an introduction to the mechanics of materials and structures. You will be introduced to and become familiar with all relevant physical properties and fundamental laws governing the behavior of materials and structures and you will learn how to solve a variety of problems of interest to civil and environmental engineers. While there will be a chance for you to put your mathematical skills obtained in 18.01, 18.02, and eventually 18.03 to use in this subject, the emphasis is on the physical understanding of why a material or structure behaves the way it does in the engineering design of materials and structures. This subject provides an introduction to the mechanics of materials and structures. You will be introduced to and become familiar with all relevant physical properties and fundamental laws governing the behavior of materials and structures and you will learn how to solve a variety of problems of interest to civil and environmental engineers. While there will be a chance for you to put your mathematical skills obtained in 18.01, 18.02, and eventually 18.03 to use in this subject, the emphasis is on the physical understanding of why a material or structure behaves the way it does in the engineering design of materials and structures.

Subjects

mechanics | mechanics | materials | materials | structures | structures | engineering design | engineering design | Galileo's problem | Galileo's problem | dimensional analysis | dimensional analysis | atomic explosion | atomic explosion | World Trade Center towers | World Trade Center towers | stress | stress | continuum model | continuum model | beam model | beam model | strength models | strength models | strength criteria | strength criteria | stress plane | stress plane | deformation | deformation | strain tensor | strain tensor | Mohr circle | Mohr circle | elasticity | elasticity | energy bounds | energy bounds | fracture mechanics | fracture mechanics | collapse | collapse

License

Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see http://ocw.mit.edu/terms/index.htm

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TALAT Lecture 4500: Resistance Welding

Description

This lecture describes the spot welding characteristics of aluminium and its alloys, the spot welding process, the choice of process parameters, strength values, electrode life and ?requirements for quality assurance. General engineering background and knowledge in aluminium metallurgy and physical properties, and surface characteristics (e.g. TALAT lecture 5101) is assumed.

Subjects

aluminium | aluminum | european aluminium association | EAA | Training in Aluminium Application Technologies | training | metallurgy | technology | lecture | joining | fastening | mechanical | resistance welding | spot welding | physical properties | steel | resistance | oxide film | surface pretreatment | contact resistance | storage time | Peltier effect | spot welding machines | relative voltage drop | resistance welding machine | life of electrodes | machine design | current type | current-force diagram | welding parameters | weld spot diameter | direct current | shear strength | weld strengthrepeated tensile stress fatigue strength | fatigue tests | engineering parts | fatigue strength | 2024cl sheets | quality assurance | imperfections | aeronautical standards | metallography | x-ray analysis | corematerials | ukoer

License

http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

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TALAT Lecture 4702: Factors Influencing the Strength of Adhesive Joints

Description

This lecture describes the factors governing the strength of adhesive joints in order to appreciate these factors for the design of adhesively bonded joints, i.e. geometry of joint, stiffness and strength of the adjoining parts, stress distribution in the adhesive layer as well as the effects of humidity and ageing. General background in production engineering and material science, some knowledge of mechanics and polymer science is assumed.

Subjects

aluminium | aluminum | european aluminium association | EAA | Training in Aluminium Application Technologies | training | metallurgy | technology | lecture | joining | fastening | mechanical | adhesive bonding | strength | design | stress distributions | lap joints | load distribution | adhesive sheet joints | brittle adhesive layer | elastic-plastic adhesive layer | peeling | geometric parameters | overlapping | overlap length | joining part elongation | stiffness | adhesive strength | joining part thickness | strength of joint parts | ageing | stress | humidity | alloy 6060 - T6 | fatigue strength | deformation behaviour | repeated stress | number of cycles | adhesive layers | corematerials | ukoer

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Design (13.122) (MIT) Design (13.122) (MIT)

Description

This course is intended for first year graduate students and advanced undergraduates with an interest in design of ships or offshore structures. It requires a sufficient background in structural mechanics. Computer applications are utilized, with emphasis on the theory underlying the analysis. Hydrostatic loading, shear load and bending moment, and resulting primary hull primary stresses will be developed. Topics will include; ship structural design concepts, effect of superstructures and dissimilar materials on primary strength, transverse shear stresses in the hull girder, and torsional strength among others. Failure mechanisms and design limit states will be developed for plate bending, column and panel buckling, panel ultimate strength, and plastic analysis. Matrix stiffness, grillage, This course is intended for first year graduate students and advanced undergraduates with an interest in design of ships or offshore structures. It requires a sufficient background in structural mechanics. Computer applications are utilized, with emphasis on the theory underlying the analysis. Hydrostatic loading, shear load and bending moment, and resulting primary hull primary stresses will be developed. Topics will include; ship structural design concepts, effect of superstructures and dissimilar materials on primary strength, transverse shear stresses in the hull girder, and torsional strength among others. Failure mechanisms and design limit states will be developed for plate bending, column and panel buckling, panel ultimate strength, and plastic analysis. Matrix stiffness, grillage,

Subjects

ships | ships | offshore structures | offshore structures | structural mechanics | structural mechanics | Hydrostatic loading | Hydrostatic loading | shear load | shear load | bending moment | bending moment | ship structural design concepts | ship structural design concepts | superstructures | superstructures | primary strength | primary strength | transverse shear stresses | transverse shear stresses | torsional strength | torsional strength | Failure mechanisms | Failure mechanisms | design limit states | design limit states | plastic analysis | plastic analysis | Matrix stiffness | Matrix stiffness | grillage | grillage | finite element analysis | finite element analysis

License

Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see http://ocw.mit.edu/terms/index.htm

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TALAT Lecture 2301: Design of Members

Description

This lecture gives background to calculation methods for aluminium members in order to understand the specific behavior of statically loaded aluminium alloy structures. Basic structural mechanic, design philosophy and structural aluminium alloys and product forms is assumed.

Subjects

aluminium | aluminum | european aluminium association | eaa | talat | training in aluminium application technologies | training | metallurgy | technology | lecture | design | product | member | joint | static | safety | serviceability | geometrical imperfections | extruded profiles | welded profiles | residual stresses | mechanical properties | bauschinger effect | heat affected zones | stress-strain relationship | strength | reduced strength | partial coefficients | resistance factors | gross section | net section | local buckling | cross section classes | slender plates | effective cross section | class 4 cross sections | deflections of beams | breathing | bending moment | yielding | slenderness parameter | element classification | effective thickness | welded section | section with holes | lateral torsional buckling | axial force | tensile force | compressive force | euler load | squash load | flexural buckling | reduction factor | buckling length | splices | end connections | welded columns | columns with bolt holes | cut-outs | longitudinal welds | transverse welds | columns with unfilled bolt-holes | built-up members | intermediate stiffeners | edge stiffeners | single-sided rib | multi-stiffened plates | orthotropic plates | shear force | plate girder webs | shear buckling | shear resistance | webs with stiffeners | plate girders with intermediate stiffeners | corrugated webs | closely stiffened webs | concentrated loads | beam webs without stiffeners | beam webs with stiffeners | shear centre | closed sections | open sections | torsion without warping | torsion with warpin | bending and axial tension | bending and axial compression | strength of beam-column segments | rectangular section | strain hardening | plastic theory | i-section | h-section | thin walled cross sections | t-section | biaxial bending | linear stress distribution | shear lag | flange curling | lateral deflection | non-symmetrical flanges | corematerials | ukoer | Engineering | H000

License

Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

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TALAT Lecture 1253: Creep

Description

This lecture constitutes an introduction to creep and to the creep response of aluminium and its alloys. It provides basic information on creep and its mechanisms; it gives a description of the more extensively used mathematical relations among creep variables (time, stress and temperature); it illustrates the creep response of pure Aluminium and of Al-Mg alloys; it provides a synthesis of the information available in the literature on the creep behaviour of a number of new alloys and composites in the form of a series of figures elaborated on the basis of the data reported in same sources. Basic knowledge of physics and chemistry and some familiarity with TALAT lectures 1201 through 1205 is assumed.

Subjects

aluminium | aluminum | european aluminium association | EAA | Training in Aluminium Application Technologies | training | metallurgy | technology | lecture | creep | creep curve | creep rate | diffusion | time to rupture | pure metals | solid solutions | creep strength | creep rupture | creep response | creep-resistant | composite | dispersion-strengthened | high strength alloys | corematerials | ukoer

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TALAT Lecture 1501: Properties, Characteristics and Alloys of Aluminium

Description

This lecture provides a survey of the aluminium alloys available to the user; it describes their various properties; it gives an insight into the choice of aluminium for a proposed application. In the context of this lecture not every individual alloy and its properties have been treated in detail, but rather divided into alloy types with reference to the most commonly used alloys. For further details on alloy properties the reader is referred to available databanks like ALUSELECT of the European Aluminium Association (EAA) or to the European and national materials standards. Good engineering background in materials, design and manufacturing processes is assumed.

Subjects

aluminium | aluminum | european aluminium association | EAA | Training in Aluminium Application Technologies | training | metallurgy | technology | lecture | properties | selection criteria | production | industry | recycled aluminium | secondary aluminium | atomic structure | crystal structure | density | electrical conductivity | resistivity | thermal conductivity | reflectance | non-magnetic | emissivity | corrosion resistance | thermal expansion | melting temperature | latent heat | specific heat | identification | aluminium - copper alloys | aluminium - manganese alloys | aluminium - silicon alloys | aluminium - magnesium alloys | aluminium - magnesium - silicon alloys | aluminium - zinc - magnesium alloys | aluminium - zinc - magnesium - copper alloys | ingot | casting | work hardening | dispersion hardening | solid solution hardening | precipitation hardening | temper designations | non heat-treatable alloys | heat-treatable alloys | applications | mechanical properties | tensile strength | strength/weight ratio | proof stress | elastic properties | elongation | compression | bearing | shear | hardness | ductility | creep | impact strength | elevated temperatures | low temperatures | fracture characteristics | fatigue | corematerials | ukoer

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TALAT Lecture 2301: Design of Members

Description

This lecture gives background to calculation methods for aluminium members in order to understand the specific behavior of statically loaded aluminium alloy structures. Basic structural mechanic, design philosophy and structural aluminium alloys and product forms is assumed.

Subjects

aluminium | aluminum | european aluminium association | EAA | Training in Aluminium Application Technologies | training | metallurgy | technology | lecture | design | product | member | joint | static | safety | serviceability | geometrical imperfections | extruded profiles | welded profiles | residual stresses | mechanical properties | Bauschinger effect | heat affected zones | stress-strain relationship | strength | reduced strength | partial coefficients | resistance factors | gross section | net section | local buckling | cross section classes | slender plates | effective cross section | class 4 cross sections | deflections of beams | breathing | bending moment | yielding | slenderness parameter | element classification | effective thickness | welded section | section with holes | lateral torsional buckling | axial force | tensile force | compressive force | Euler load | squash load | flexural buckling | reduction factor | buckling length | splices | end connections | welded columns | columns with bolt holes | cut-outs | longitudinal welds | transverse welds | columns with unfilled bolt-holes | built-up members | intermediate stiffeners | edge stiffeners | single-sided rib | multi-stiffened plates | orthotropic plates | shear force | plate girder webs | shear buckling | shear resistance | webs with stiffeners | plate girders with intermediate stiffeners | corrugated webs | closely stiffened webs | concentrated loads | beam webs without stiffeners | beam webs with stiffeners | shear centre | closed sections | open sections | torsion without warping | torsion with warpin | bending and axial tension | bending and axial compression | strength of beam-column segments | rectangular section | strain hardening | plastic theory | I-section | H-section | thin walled cross sections | T-section | biaxial bending | linear stress distribution | shear lag | flange curling | lateral deflection | non-symmetrical flanges | corematerials | ukoer

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http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

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TALAT Lecture 1253: Creep

Description

This lecture constitutes an introduction to creep and to the creep response of aluminium and its alloys. It provides basic information on creep and its mechanisms; it gives a description of the more extensively used mathematical relations among creep variables (time, stress and temperature); it illustrates the creep response of pure Aluminium and of Al-Mg alloys; it provides a synthesis of the information available in the literature on the creep behaviour of a number of new alloys and composites in the form of a series of figures elaborated on the basis of the data reported in same sources. Basic knowledge of physics and chemistry and some familiarity with TALAT lectures 1201 through 1205 is assumed.

Subjects

aluminium | aluminum | european aluminium association | eaa | talat | training in aluminium application technologies | training | metallurgy | technology | lecture | creep | creep curve | creep rate | diffusion | time to rupture | pure metals | solid solutions | creep strength | creep rupture | creep response | creep-resistant | composite | dispersion-strengthened | high strength alloys | corematerials | ukoer | Engineering | H000

License

Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

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TALAT Lecture 1501: Properties, Characteristics and Alloys of Aluminium

Description

This lecture provides a survey of the aluminium alloys available to the user; it describes their various properties; it gives an insight into the choice of aluminium for a proposed application. In the context of this lecture not every individual alloy and its properties have been treated in detail, but rather divided into alloy types with reference to the most commonly used alloys. For further details on alloy properties the reader is referred to available databanks like ALUSELECT of the European Aluminium Association (EAA) or to the European and national materials standards. Good engineering background in materials, design and manufacturing processes is assumed.

Subjects

aluminium | aluminum | european aluminium association | eaa | talat | training in aluminium application technologies | training | metallurgy | technology | lecture | properties | selection criteria | production | industry | recycled aluminium | secondary aluminium | atomic structure | crystal structure | density | electrical conductivity | resistivity | thermal conductivity | reflectance | non-magnetic | emissivity | corrosion resistance | thermal expansion | melting temperature | latent heat | specific heat | identification | aluminium - copper alloys | aluminium - manganese alloys | aluminium - silicon alloys | aluminium - magnesium alloys | aluminium - magnesium - silicon alloys | aluminium - zinc - magnesium alloys | aluminium - zinc - magnesium - copper alloys | ingot | casting | work hardening | dispersion hardening | solid solution hardening | precipitation hardening | temper designations | non heat-treatable alloys | heat-treatable alloys | applications | mechanical properties | tensile strength | strength/weight ratio | proof stress | elastic properties | elongation | compression | bearing | shear | hardness | ductility | creep | impact strength | elevated temperatures | low temperatures | fracture characteristics | fatigue | corematerials | ukoer | Engineering | H000

License

Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

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2.002 Mechanics and Materials II (MIT) 2.002 Mechanics and Materials II (MIT)

Description

This course provides Mechanical Engineering students with an awareness of various responses exhibited by solid engineering materials when subjected to mechanical and thermal loadings; an introduction to the physical mechanisms associated with design-limiting behavior of engineering materials, especially stiffness, strength, toughness, and durability; an understanding of basic mechanical properties of engineering materials, testing procedures used to quantify these properties, and ways in which these properties characterize material response; quantitative skills to deal with materials-limiting problems in engineering design; and a basis for materials selection in mechanical design. This course provides Mechanical Engineering students with an awareness of various responses exhibited by solid engineering materials when subjected to mechanical and thermal loadings; an introduction to the physical mechanisms associated with design-limiting behavior of engineering materials, especially stiffness, strength, toughness, and durability; an understanding of basic mechanical properties of engineering materials, testing procedures used to quantify these properties, and ways in which these properties characterize material response; quantitative skills to deal with materials-limiting problems in engineering design; and a basis for materials selection in mechanical design.

Subjects

beam bending | beam bending | buckling | buckling | vibration | vibration | polymers | polymers | viscoelasticity | viscoelasticity | strength | strength | ductility | ductility | stress | stress | stress concentration | stress concentration | sheet bending | sheet bending | heat treatment | heat treatment | fracture | fracture | plasticity | plasticity | creep | creep | fatigue | fatigue | solid materials | solid materials | mechanical loading | mechanical loading | thermal loading | thermal loading | design-limiting behavior | design-limiting behavior | stiffness | stiffness | toughness | toughness | durability | durability | engineering materials | engineering materials | materials-limiting problem | materials-limiting problem | materials selection | materials selection

License

Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see http://ocw.mit.edu/terms/index.htm

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16.120 Compressible Flow (MIT) 16.120 Compressible Flow (MIT)

Description

The course begins with the basics of compressible fluid dynamics, including governing equations, thermodynamic context and characteristic parameters. The next large block of lectures covers quasi-one-dimensional flow, followed by a discussion of disturbances and unsteady flows. The second half of the course comprises gas dynamic discontinuities, including shock waves and detonations, and concludes with another large block dealing with two-dimensional flows, both linear and non-linear. The course begins with the basics of compressible fluid dynamics, including governing equations, thermodynamic context and characteristic parameters. The next large block of lectures covers quasi-one-dimensional flow, followed by a discussion of disturbances and unsteady flows. The second half of the course comprises gas dynamic discontinuities, including shock waves and detonations, and concludes with another large block dealing with two-dimensional flows, both linear and non-linear.

Subjects

compressible fluid dynamics | compressible fluid dynamics | fluid dynamics | fluid dynamics | external flows | external flows | internal flows | internal flows | quasi-on-dimensional | quasi-on-dimensional | quasi-1D | quasi-1D | channel flow | channel flow | multi-dimensional flows | multi-dimensional flows | nozzles | nozzles | diffusers | diffusers | inlets | inlets | loss generation | loss generation | interactions | interactions | aerodynamic shapes | aerodynamic shapes | subsonic | subsonic | supersonic | supersonic | transonic | transonic | hypersonic | hypersonic | shock waves | shock waves | vortices | vortices | disturbance behavior | disturbance behavior | unsteady | unsteady | speed of sound | speed of sound | isentropic flows | isentropic flows | non-isentropic flows | non-isentropic flows | potential flows | potential flows | rotational flows | rotational flows | shaft work | shaft work | heat addition | heat addition | mass addition | mass addition | flow states | flow states | flow regime | flow regime | velocity non-uniformities | velocity non-uniformities | density non-uniformities | density non-uniformities | fluid system components | fluid system components | lift | lift | drag | drag | continuum flow | continuum flow | shock strength | shock strength | characteristics | characteristics | governing equations | governing equations | thermodynamic context | thermodynamic context | characteristic parameters | characteristic parameters | quasi-one-dimensional flow | quasi-one-dimensional flow | disturbances | disturbances | unsteady flow | unsteady flow | gas dynamic discontinuities | gas dynamic discontinuities | detonations | detonations | linear two-dimensional flows | linear two-dimensional flows | non-linear two-dimensional flows | non-linear two-dimensional flows

License

Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see http://ocw.mit.edu/terms/index.htm

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ES.S71 Increasing Your Physical Intelligence, Enhancing Your Social Smarts (MIT) ES.S71 Increasing Your Physical Intelligence, Enhancing Your Social Smarts (MIT)

Description

The purpose of this class is to offer students a new perspective on the importance of our bodily experience to our cognitive and social lives. The curriculum is designed to foster a working appreciation for how better bodily awareness can positively affect how we feel in our bodies, carry and present ourselves for improved social sensitivity and more successful social interactions.  The purpose of this class is to offer students a new perspective on the importance of our bodily experience to our cognitive and social lives. The curriculum is designed to foster a working appreciation for how better bodily awareness can positively affect how we feel in our bodies, carry and present ourselves for improved social sensitivity and more successful social interactions. 

Subjects

physical intelligence | physical intelligence | exercise | exercise | social interactions | social interactions | training | training | balance | balance | strength | strength | flexibility | flexibility | mindfulness | mindfulness | mind and body | mind and body | cognitive development | cognitive development | self awareness | self awareness

License

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3.40J Physical Metallurgy (MIT) 3.40J Physical Metallurgy (MIT)

Description

The central point of this course is to provide a physical basis that links the structure of materials with their properties, focusing primarily on metals. With this understanding in hand, the concepts of alloy design and microstructural engineering are also discussed, linking processing and thermodynamics to the structure and properties of metals. The central point of this course is to provide a physical basis that links the structure of materials with their properties, focusing primarily on metals. With this understanding in hand, the concepts of alloy design and microstructural engineering are also discussed, linking processing and thermodynamics to the structure and properties of metals.

Subjects

point | point | line and interfacial defects | line and interfacial defects | stereographic projection | stereographic projection | annealing | annealing | spinodal decomposition | spinodal decomposition | nucleation | nucleation | growth | growth | particle coarsening | particle coarsening | structure-function relationships | structure-function relationships | interstitial and substitutional solid solutions | interstitial and substitutional solid solutions | processing and structure of metals | processing and structure of metals | strength | strength | stiffness | stiffness | and ductility | and ductility | crystallography | crystallography | phase transformations | phase transformations | microstructural evolution | microstructural evolution | steel | steel | aluminum | aluminum

License

Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see http://ocw.mit.edu/terms/index.htm

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TALAT Lecture 2302: Design of Joints

Description

This lecture provides a view of types of joints in aluminium structures and how to design and calculate frequently used joints. Basic structural mechanics and knowledge of design philosophy, structural aluminium alloys and product forms is assumed.

Subjects

aluminium | aluminum | european aluminium association | eaa | talat | training in aluminium application technologies | training | metallurgy | technology | lecture | design | product | member | joint | static | welding | screws | bolts | riveting | solid state welding | special mechanical joints | joints in thin-walled structures | thread forming screws | blind rivets | cartridge fired pin connections | spot welding | adhesive bonded connections | fasteners | mechanical properties | connections | friction type bolt joints | fastenings | failure modes | deformation | spot welds | design strength | hole bearing | tilting | sheet tearing | edge failure | tension | shear | tensile failure | pull-through failure | pull-over failure | pull-out failure | lap joints | pin connections | heat affected zone | butt welds | fillet welds | ultimate limit state | welded connections | strength | corematerials | ukoer | Engineering | H000

License

Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

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TALAT Lecture 2401: Fatigue Behaviour and Analysis

Description

This lecture explains why, when and where fatigue problems may arise and the special significance to aluminium as structural material; it helps to understand the effects of material and loading parameters on fatigue; to appreciate the statistical nature of fatigue and its importance in data analysis, evaluation and use; it shows how to estimate fatigue life under service conditions of time-dependent, variable amplitude loading; how to estimate stresses acting in notches and welds with conceptual approaches other than nominal stress; it provides qualitative and quantitative information on the classification of welded details and allow for more sophisticated design procedures. Background in materials engineering, design and fatigue is required.

Subjects

aluminium | aluminum | european aluminium association | eaa | talat | training in aluminium application technologies | training | metallurgy | technology | lecture | design | fatigue | fatigue cracks | susceptibility | cyclic loading | crack growth | crack propagation rate | endurance limit | predictive theories | damage accumulation theories | manson-coffin law | crack growth laws | ideal cumulative damage theory | fatigue data analysis | middle-cycle fatigue range | high-cycle fatigue range | fatigue diagrams | linear p-s-n curves | non-linear p-s-n curves | service behaviour | time dependent loads | load spectrum | cycle counting | rain-flow cycle counting method | service behaviour fatigue test | analytical life estimation | damage accumulation | palmgren-miner linear damage accumulation hypothesis | strain | fatigue life | notch theory | strain-life diagram | weld imperfections | static strength | fatigue strength | cracks | porosity | inclusions | oxides | lack of penetration | weld shape | lack of fusion | geometric misalignment | arc strike | spatter | post-weld mechanical imperfections | corematerials | ukoer | Engineering | H000

License

Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

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15.220 Global Strategy and Organization (MIT) 15.220 Global Strategy and Organization (MIT)

Description

Companies today confront an increasing array of choices regarding markets, locations for key activities, outsourcing and ownership modes, and organization and processes for managing across borders. This course provides students with the conceptual tools necessary to understand and work effectively in today's interconnected world by developing strategic perspectives that link this changing environment, the state of the global industry, and the capabilities and position of the firm. The goal of this subject is to provide the foundations for taking effective action in the multi-layered world of international business. The first section of the course provides frameworks for identifying and taking advantage of the opportunities presented in a dynamic global environment at the level of the coun Companies today confront an increasing array of choices regarding markets, locations for key activities, outsourcing and ownership modes, and organization and processes for managing across borders. This course provides students with the conceptual tools necessary to understand and work effectively in today's interconnected world by developing strategic perspectives that link this changing environment, the state of the global industry, and the capabilities and position of the firm. The goal of this subject is to provide the foundations for taking effective action in the multi-layered world of international business. The first section of the course provides frameworks for identifying and taking advantage of the opportunities presented in a dynamic global environment at the level of the coun

Subjects

global landscape | global landscape | the world is flat | the world is flat | competitive advantage | competitive advantage | global strategy | global strategy | local strength | local strength | global advantage | global advantage | value creation | value creation | frameworks for global strategic analysis | frameworks for global strategic analysis | MIT Sloan Courseware | MIT Sloan Courseware | expansion | expansion | emerging markets | emerging markets | local companies | local companies | multinationals | multinationals | innovation | innovation | dealing with differences | dealing with differences | global management | global management

License

Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see https://ocw.mit.edu/terms/index.htm

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3.14 Physical Metallurgy (MIT) 3.14 Physical Metallurgy (MIT)

Description

The central point of this course is to provide a physical basis that links the structure of metals with their properties. With this understanding in hand, the concepts of alloy design and microstructural engineering are also discussed, linking processing and thermodynamics to the structure and properties of metals. The central point of this course is to provide a physical basis that links the structure of metals with their properties. With this understanding in hand, the concepts of alloy design and microstructural engineering are also discussed, linking processing and thermodynamics to the structure and properties of metals.

Subjects

processing | structure | and properties of metals and alloys | processing | structure | and properties of metals and alloys | strength | stiffness | and ductility | strength | stiffness | and ductility | crystallography | defects | microstructure | crystallography | defects | microstructure | phase transformations | phase transformations | microstructural evolution | microstructural evolution | alloy thermodynamics and kinetics | alloy thermodynamics and kinetics | structural engineering alloys | structural engineering alloys | steel | steel | aluminum | aluminum

License

Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see http://ocw.mit.edu/terms/index.htm

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4.461 Building Technology I: Materials and Construction (MIT) 4.461 Building Technology I: Materials and Construction (MIT)

Description

This course offers an introduction to the history, theory, and construction of basic structural systems as well as an introduction to energy issues in buildings. It emphasizes basic systematic and elemental behavior, principles of structural behavior, and analysis of individual structural elements and strategies for load carrying. The course also introduces fundamental energy topics including thermodynamics, psychrometrics, and comfort. It is a required class for M. Arch. students. This course offers an introduction to the history, theory, and construction of basic structural systems as well as an introduction to energy issues in buildings. It emphasizes basic systematic and elemental behavior, principles of structural behavior, and analysis of individual structural elements and strategies for load carrying. The course also introduces fundamental energy topics including thermodynamics, psychrometrics, and comfort. It is a required class for M. Arch. students.

Subjects

structures | structures | building technology | building technology | construction | construction | static behavior of structures and strength of materials | static behavior of structures and strength of materials | reactions | reactions | truss analysis | truss analysis | stability of structures | stability of structures | stress and strain at a point | stress and strain at a point | shear and bending moment diagrams | shear and bending moment diagrams | stresses in beams | stresses in beams | Mohr's Circle | Mohr's Circle | column buckling | column buckling | deflection of beams | deflection of beams | materials | materials | wood | wood | steel | steel | concrete | concrete

License

Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see http://ocw.mit.edu/terms/index.htm

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Design (13.122) (MIT)

Description

This course is intended for first year graduate students and advanced undergraduates with an interest in design of ships or offshore structures. It requires a sufficient background in structural mechanics. Computer applications are utilized, with emphasis on the theory underlying the analysis. Hydrostatic loading, shear load and bending moment, and resulting primary hull primary stresses will be developed. Topics will include; ship structural design concepts, effect of superstructures and dissimilar materials on primary strength, transverse shear stresses in the hull girder, and torsional strength among others. Failure mechanisms and design limit states will be developed for plate bending, column and panel buckling, panel ultimate strength, and plastic analysis. Matrix stiffness, grillage,

Subjects

ships | offshore structures | structural mechanics | Hydrostatic loading | shear load | bending moment | ship structural design concepts | superstructures | primary strength | transverse shear stresses | torsional strength | Failure mechanisms | design limit states | plastic analysis | Matrix stiffness | grillage | finite element analysis

License

Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see https://ocw.mit.edu/terms/index.htm

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