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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 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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Mechanical Behaviour of Materials: Creep Deformation of Metals

Description

This set consists of an animation explaning Nabarro-Herring creep and Coble creep, and the simulation of a creeping coil experiment. From TLP: Creep Deformation of Metals

Subjects

creep | Coble creep | Nabarro-Herring creep | diffusion | dislocations | dislocation creep | stress exponent | activation energy | mechanical properties | turbine blades | nickel superalloys | solder | single crystals | DoITPoMS | University of Cambridge | animation | corematerials | ukoer

License

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Mechanical Behaviour of Materials: Creep Deformation of Metals

Description

This set consists of an animation explaning Nabarro-Herring creep and Coble creep, and the simulation of a creeping coil experiment. From TLP: Creep Deformation of Metals

Subjects

creep | coble creep | nabarro-herring creep | diffusion | dislocations | dislocation creep | stress exponent | activation energy | mechanical properties | turbine blades | nickel superalloys | solder | single crystals | doitpoms | university of cambridge | animation | 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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3.22 Mechanical Behavior of Materials (MIT) 3.22 Mechanical Behavior of Materials (MIT)

Description

Here we will learn about the mechanical behavior of structures and materials, from the continuum description of properties to the atomistic and molecular mechanisms that confer those properties to all materials. We will cover elastic and plastic deformation, creep, fracture and fatigue of materials including crystalline and amorphous metals, semiconductors, ceramics, and (bio)polymers, and will focus on the design and processing of materials from the atomic to the macroscale to achieve desired mechanical behavior. We will cover special topics in mechanical behavior for material systems of your choice, with reference to current research and publications. Here we will learn about the mechanical behavior of structures and materials, from the continuum description of properties to the atomistic and molecular mechanisms that confer those properties to all materials. We will cover elastic and plastic deformation, creep, fracture and fatigue of materials including crystalline and amorphous metals, semiconductors, ceramics, and (bio)polymers, and will focus on the design and processing of materials from the atomic to the macroscale to achieve desired mechanical behavior. We will cover special topics in mechanical behavior for material systems of your choice, with reference to current research and publications.

Subjects

Phenomenology | Phenomenology | mechanical behavior | mechanical behavior | material structure | material structure | deformation | deformation | failure | failure | elasticity | elasticity | viscoelasticity | viscoelasticity | plasticity | plasticity | creep | creep | fracture | fracture | fatigue | fatigue | metals | metals | semiconductors | semiconductors | ceramics | ceramics | polymers | polymers | microstructure | microstructure | composition | composition | semiconductor diodes | semiconductor diodes | thin films | thin films | carbon nanotubes | carbon nanotubes | battery materials | battery materials | superelastic alloys | superelastic alloys | defect nucleation | defect nucleation | student projects | student projects | viral capsides | viral capsides

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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3.35 Fracture and Fatigue (MIT) 3.35 Fracture and Fatigue (MIT)

Description

Investigation of linear elastic and elastic-plastic fracture mechanics. Topics include microstructural effects on fracture in metals, ceramics, polymers, thin films, biological materials and composites, toughening mechanisms, crack growth resistance and creep fracture. Also covered: interface fracture mechanics, fatigue damage and dislocation substructures in single crystals, stress- and strain-life approach to fatigue, fatigue crack growth models and mechanisms, variable amplitude fatigue, corrosion fatigue and case studies of fracture and fatigue in structural, bioimplant, and microelectronic components. Investigation of linear elastic and elastic-plastic fracture mechanics. Topics include microstructural effects on fracture in metals, ceramics, polymers, thin films, biological materials and composites, toughening mechanisms, crack growth resistance and creep fracture. Also covered: interface fracture mechanics, fatigue damage and dislocation substructures in single crystals, stress- and strain-life approach to fatigue, fatigue crack growth models and mechanisms, variable amplitude fatigue, corrosion fatigue and case studies of fracture and fatigue in structural, bioimplant, and microelectronic components.

Subjects

Linear elastic | Linear elastic | elastic-plastic fracture mechanics | elastic-plastic fracture mechanics | Microstructural effects on fracture | Microstructural effects on fracture | Toughening mechanisms | Toughening mechanisms | Crack growth resistance | Crack growth resistance | creep fracture | creep fracture | Interface fracture mechanics | Interface fracture mechanics | Fatigue damage | Fatigue damage | dislocation substructures | dislocation substructures | Variable amplitude fatigue | Variable amplitude fatigue | Corrosion fatigue | Corrosion fatigue | experimental methods | experimental methods | microstructural effects | microstructural effects | metals | metals | ceramics | ceramics | polymers | polymers | thin films | thin films | biological materials | biological materials | composites | composites | single crystals | single crystals | stress-life | stress-life | strain-life | strain-life | structural components | structural components | bioimplant components | bioimplant components | microelectronic components | microelectronic components | case studies | case studies

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 4701: Terms and Definitions for Adhesive Bonding

Description

This lecture defines the terms and definition of adhesive bonding of metals; it describes the basic physical/chemical characteristics of adhesive bonding; it also describes the characteristics and the properties of adhesives used in metal bonding. General background in production engineering and material science, some knowledge of the physics and chemistry of metallic surfaces 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 | load distribution | adhesive joint | adhesion | cohesion | deposition of macromolecules on surfaces | bond types | bond forces | dipole bonds | hydrogen bonds | failure | classification | physically bonding adhesives | chemically reacting adhesives | forming reaction | polymer structure | structure | properties | duromeres | amorphous thermoplastics | partly crystalline thermoplastics | alcumg2 | epoxy resin adhesive | stress-strain curve | creep | creep strength | temperature stability | 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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12.520 Geodynamics (MIT) 12.520 Geodynamics (MIT)

Description

This course deals with mechanics of deformation of the crust and mantle, with emphasis on the importance of different rheological descriptions: brittle, elastic, linear and nonlinear fluids, and viscoelastic. This course deals with mechanics of deformation of the crust and mantle, with emphasis on the importance of different rheological descriptions: brittle, elastic, linear and nonlinear fluids, and viscoelastic.

Subjects

Geodynamics | Geodynamics | mechanics of deformation | mechanics of deformation | crust | crust | mantle | mantle | rheological descriptions | rheological descriptions | brittle | brittle | elastic | elastic | linear | linear | nonlinear fluids | nonlinear fluids | viscoelastic | viscoelastic | surface tractions | surface tractions | tectonic stress | tectonic stress | quantity expression | quantity expression | stress variations | stress variations | sandbox tectonics | sandbox tectonics | displacement gradients | displacement gradients | strains | strains | rotations | rotations | finite strain | finite strain | motivation | motivation | dislocation | dislocation | plates | plates | topography | topography | rock rheology | rock rheology | accretionary wedge | accretionary wedge | linear fluids | linear fluids | elastic models | elastic models | newtonian fluids | newtonian fluids | stream function | stream function | Rayleigh-Taylor instability | Rayleigh-Taylor instability | diapirism | diapirism | diapirs | diapirs | plumes | plumes | corner flow | corner flow | power law creep | power law creep | viscoelasticity | viscoelasticity | porous media | porous media | Elsasser model | Elsasser model | time dependent porous flow | time dependent porous flow

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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10.52 Mechanics of Fluids (MIT) 10.52 Mechanics of Fluids (MIT)

Description

This course is an advanced subject in fluid and continuum mechanics. The course content includes kinematics, macroscopic balances for linear and angular momentum, stress tensors, creeping flows and the lubrication approximation, the boundary layer approximation, linear stability theory, and some simple turbulent flows. This course is an advanced subject in fluid and continuum mechanics. The course content includes kinematics, macroscopic balances for linear and angular momentum, stress tensors, creeping flows and the lubrication approximation, the boundary layer approximation, linear stability theory, and some simple turbulent flows.

Subjects

fluid mechanics | fluid mechanics | continuum mechanics | continuum mechanics | kinematics | kinematics | macroscopic balances for linear momentum | macroscopic balances for linear momentum | macroscopic balances for angular momentum | macroscopic balances for angular momentum | the stress tensor | the stress tensor | creeping flows | creeping flows | lubrication approximation | lubrication approximation | boundary layer approximation | boundary layer approximation | linear stability theory | linear stability theory | simple turbulent flows | simple turbulent 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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TALAT Lecture 4701: Terms and Definitions for Adhesive Bonding

Description

This lecture defines the terms and definition of adhesive bonding of metals; it describes the basic physical/chemical characteristics of adhesive bonding; it also describes the characteristics and the properties of adhesives used in metal bonding. General background in production engineering and material science, some knowledge of the physics and chemistry of metallic surfaces 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 | load distribution | adhesive joint | adhesion | cohesion | deposition of macromolecules on surfaces | bond types | bond forces | dipole bonds | hydrogen bonds | failure | classification | physically bonding adhesives | chemically reacting adhesives | forming reaction | polymer structure | structure | properties | duromeres | amorphous thermoplastics | partly crystalline thermoplastics | AlCuMg2 | epoxy resin adhesive | stress-strain curve | creep | creep strength | temperature stability | corematerials | ukoer

License

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

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RES.2-002 Finite Element Procedures for Solids and Structures (MIT) RES.2-002 Finite Element Procedures for Solids and Structures (MIT)

Description

Includes audio/video content: AV lectures. Finite element analysis is now widely used for solving complex static and dynamic problems encountered in engineering and the sciences. In these two video courses, Professor K. J. Bathe, a researcher of world renown in the field of finite element analysis, teaches the basic principles used for effective finite element analysis, describes the general assumptions, and discusses the implementation of finite element procedures for linear and nonlinear analyses. These videos were produced in 1982 and 1986 by the MIT Center for Advanced Engineering Study. Includes audio/video content: AV lectures. Finite element analysis is now widely used for solving complex static and dynamic problems encountered in engineering and the sciences. In these two video courses, Professor K. J. Bathe, a researcher of world renown in the field of finite element analysis, teaches the basic principles used for effective finite element analysis, describes the general assumptions, and discusses the implementation of finite element procedures for linear and nonlinear analyses. These videos were produced in 1982 and 1986 by the MIT Center for Advanced Engineering Study.

Subjects

finite element method | finite element method | statics | statics | dynamics | dynamics | linear analysis | linear analysis | nonlinear analysis | nonlinear analysis | computer modeling | computer modeling | engineering design | engineering design | solids | solids | structures | structures | wave propagation | wave propagation | vibration | vibration | collapse | collapse | buckling | buckling | Lagrangian formulation | Lagrangian formulation | truss | truss | beam | beam | plate | plate | shell | shell | elastic materials | elastic materials | plastic materials | plastic materials | creep | creep | ADINA | ADINA | numerical integration methods | numerical integration methods | mode superposition | mode superposition

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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3.22 Mechanical Properties of Materials (MIT) 3.22 Mechanical Properties of Materials (MIT)

Description

Phenomenology of mechanical behavior of materials at the macroscopic level. Relationship of mechanical behavior to material structure and mechanisms of deformation and failure. Topics include: elasticity, viscoelasticity, plasticity, creep, fracture, and fatigue. Case studies and examples drawn from structural and functional applications that include a variety of material classes: metals, ceramics, polymers, thin films, composites, and cellular materials. Phenomenology of mechanical behavior of materials at the macroscopic level. Relationship of mechanical behavior to material structure and mechanisms of deformation and failure. Topics include: elasticity, viscoelasticity, plasticity, creep, fracture, and fatigue. Case studies and examples drawn from structural and functional applications that include a variety of material classes: metals, ceramics, polymers, thin films, composites, and cellular materials.

Subjects

Phenomenology | Phenomenology | mechanical behavior | mechanical behavior | material structure | material structure | deformation | deformation | failure | failure | elasticity | elasticity | viscoelasticity | viscoelasticity | plasticity | plasticity | creep | creep | fracture | fracture

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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A Psychic Apparition

Description

This mysterious collection of images have been discovered within the photographic collections of Tyne & Wear Archives & Museums. Reference: TWCMS -H13098-73-8 The lantern slides are from a series titled 'Psychic Photography From A New Angle' and feature eerie images of the supposedly paranormal and unknown forces caught on camera. Very little is known of the origins of this collection. The slides were designed to accompany a lecture by a Mr C.P. MacCarthy of 15 Wilkinson Street, Sheffield. Mr MacCarthy produced the images under test conditions in 1934 in front of an invited committee at 76 Clarkehouse Road, Sheffield. He states the intention was to ?demonstrate under test conditions Fake Psychic Photography? to this committee. Mr MacCarthy states his three reasons for this demonstration. 1.To prove the possibility of Fake under test conditions. 2.To show you cannot be too critical of such phenomena. 3.To indicate the increasing scope for fraud with the probability of genuine spirit photography. Mr MacCarthy further guarantees ?in the sum of five pounds, payable to any charitable institution, that no collusion exists, or has existed between myself and any other party in connection with this demonstration.? Little is currently known of the Psychic demonstration. Who sat on the invited committee? Who was Mr MacCarthy? Why was he investigating Psychic Photography? Can you help us with this information? (Copyright) We're happy for you to share these digital images within the spirit of The Commons. Please cite 'Tyne & Wear Archives & Museums' when reusing. Certain restrictions on high quality reproductions and commercial use of the original physical version apply though; if you're unsure please email archives@twmuseums.org.uk

Subjects

psychic | photography | paranormal | supernatural | fake | spirit | ghost | ectoplasm | spiritphotography | fraud | experiment | eerie | creepy | weird | odd | lanternslides | blackandwhite | mysterious | unusual | bizarre | anewangle | apparition | unknown | face | forces | captured | lecture | mrcpmaccarthy | testconditions | 1934 | invitedcommittee | 76clarkehouseroadsheffield | critical | genuine | payment | collusion | demonstration | investigation | surreal | scary | man | glasses | cleanshaven | image | reflection | stripes | shirt | tie | suit | coat | blazer | distracted | eyes | ears | nose | hair | mouth | lips | strand | line | blur | mark | blankwall | empty | space | dark | light | shining | makingeyecontact | blankexpression | forehead | wrinkles | grain | wash | surfaces

License

No known copyright restrictions

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A Psychic Figure

Description

This mysterious collection of images have been discovered within the photographic collections of Tyne & Wear Archives & Museums. Reference: TWCMS -H13098-73-7 The lantern slides are from a series titled 'Psychic Photography From A New Angle' and feature eerie images of the supposedly paranormal and unknown forces caught on camera. Very little is known of the origins of this collection. The slides were designed to accompany a lecture by a Mr C.P. MacCarthy of 15 Wilkinson Street, Sheffield. Mr MacCarthy produced the images under test conditions in 1934 in front of an invited committee at 76 Clarkehouse Road, Sheffield. He states the intention was to ?demonstrate under test conditions Fake Psychic Photography? to this committee. Mr MacCarthy states his three reasons for this demonstration. 1.To prove the possibility of Fake under test conditions. 2.To show you cannot be too critical of such phenomena. 3.To indicate the increasing scope for fraud with the probability of genuine spirit photography. Mr MacCarthy further guarantees ?in the sum of five pounds, payable to any charitable institution, that no collusion exists, or has existed between myself and any other party in connection with this demonstration.? Little is currently known of the Psychic demonstration. Who sat on the invited committee? Who was Mr MacCarthy? Why was he investigating Psychic Photography? Can you help us with this information? (Copyright) We're happy for you to share these digital images within the spirit of The Commons. Please cite 'Tyne & Wear Archives & Museums' when reusing. Certain restrictions on high quality reproductions and commercial use of the original physical version apply though; if you're unsure please email archives@twmuseums.org.uk

Subjects

psychic | photography | paranormal | supernatural | fake | spirit | ghost | ectoplasm | spiritphotography | fraud | experiment | eerie | creepy | weird | odd | surreal | lanternslides | blackandwhitephotograph | captured | camera | lecture | demonstration | mrcpmaccarthy | sheffield | testconditions | 1934 | invitedcommittee | genuine | stripes | pattern | lines | shapes | face | female | eye | brow | hair | lips | mouth | nose | strands | circle | cloth | unravel | message | woman | covering | hidden

License

No known copyright restrictions

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A Psychic Message

Description

This mysterious collection of images have been discovered within the photographic collections of Tyne & Wear Archives & Museums. Reference: TWCMS -H13098-73-6 The lantern slides are from a series titled 'Psychic Photography From A New Angle' and feature eerie images of the supposedly paranormal and unknown forces caught on camera. Very little is known of the origins of this collection. The slides were designed to accompany a lecture by a Mr C.P. MacCarthy of 15 Wilkinson Street, Sheffield. Mr MacCarthy produced the images under test conditions in 1934 in front of an invited committee at 76 Clarkehouse Road, Sheffield. He states the intention was to ?demonstrate under test conditions Fake Psychic Photography? to this committee. Mr MacCarthy states his three reasons for this demonstration. 1.To prove the possibility of Fake under test conditions. 2.To show you cannot be too critical of such phenomena. 3.To indicate the increasing scope for fraud with the probability of genuine spirit photography. Mr MacCarthy further guarantees ?in the sum of five pounds, payable to any charitable institution, that no collusion exists, or has existed between myself and any other party in connection with this demonstration.? Little is currently known of the Psychic demonstration. Who sat on the invited committee? Who was Mr MacCarthy? Why was he investigating Psychic Photography? Can you help us with this information? (Copyright) We're happy for you to share these digital images within the spirit of The Commons. Please cite 'Tyne & Wear Archives & Museums' when reusing. Certain restrictions on high quality reproductions and commercial use of the original physical version apply though; if you're unsure please email archives@twmuseums.org.uk

Subjects

psychic | photography | paranormal | supernatural | fake | spirit | ghost | ectoplasm | spiritphotography | fraud | experiment | eerie | creepy | weird | odd | lanternslides | text | blackandwhitephotograph | message | letters | words | anewangle | unknown | forces | captured | camera | lecture | mrcpmaccarthy | testconditions | 1934 | invitedcommittee | 76clarkehouseroad | sheffield | phenomenia | genuine | collusion | demonstration | mysterious | 1861 | wash | blur | light | bizarre | investigation | examination | unclear | decipher | mark

License

No known copyright restrictions

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Broken Glass

Description

This mysterious collection of images have been discovered within the photographic collections of Tyne & Wear Archives & Museums. Reference: TWCMS -H13098-73-5 The lantern slides are from a series titled 'Psychic Photography From A New Angle' and feature eerie images of the supposedly paranormal and unknown forces caught on camera. Very little is known of the origins of this collection. The slides were designed to accompany a lecture by a Mr C.P. MacCarthy of 15 Wilkinson Street, Sheffield. Mr MacCarthy produced the images under test conditions in 1934 in front of an invited committee at 76 Clarkehouse Road, Sheffield. He states the intention was to ?demonstrate under test conditions Fake Psychic Photography? to this committee. Mr MacCarthy states his three reasons for this demonstration. 1.To prove the possibility of Fake under test conditions. 2.To show you cannot be too critical of such phenomena. 3.To indicate the increasing scope for fraud with the probability of genuine spirit photography. Mr MacCarthy further guarantees ?in the sum of five pounds, payable to any charitable institution, that no collusion exists, or has existed between myself and any other party in connection with this demonstration.? Little is currently known of the Psychic demonstration. Who sat on the invited committee? Who was Mr MacCarthy? Why was he investigating Psychic Photography? Can you help us with this information? (Copyright) We're happy for you to share these digital images within the spirit of The Commons. Please cite 'Tyne & Wear Archives & Museums' when reusing. Certain restrictions on high quality reproductions and commercial use of the original physical version apply though; if you're unsure please email archives@twmuseums.org.uk

Subjects

psychic | photography | paranormal | supernatural | fake | spirit | ghost | ectoplasm | spiritphotography | fraud | experiment | eerie | creepy | weird | odd | brokenglass | intriguing | lanternslides | blackandwhitephotograph | newangle | unknownforces | lecture | mrcpmaccarthy | testconditions | 1934 | invitedcommittee | sheffield | genuine | behindcloseddoors | deformed

License

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Ectoplasm

Description

This mysterious collection of images have been discovered within the photographic collections of Tyne & Wear Archives & Museums. Reference: TWCMS -H13098-73-4 The lantern slides are from a series titled 'Psychic Photography From A New Angle' and feature eerie images of the supposedly paranormal and unknown forces caught on camera. Very little is known of the origins of this collection. The slides were designed to accompany a lecture by a Mr C.P. MacCarthy of 15 Wilkinson Street, Sheffield. Mr MacCarthy produced the images under test conditions in 1934 in front of an invited committee at 76 Clarkehouse Road, Sheffield. He states the intention was to ?demonstrate under test conditions Fake Psychic Photography? to this committee. Mr MacCarthy states his three reasons for this demonstration. 1.To prove the possibility of Fake under test conditions. 2.To show you cannot be too critical of such phenomena. 3.To indicate the increasing scope for fraud with the probability of genuine spirit photography. Mr MacCarthy further guarantees ?in the sum of five pounds, payable to any charitable institution, that no collusion exists, or has existed between myself and any other party in connection with this demonstration.? Little is currently known of the Psychic demonstration. Who sat on the invited committee? Who was Mr MacCarthy? Why was he investigating Psychic Photography? Can you help us with this information? (Copyright) We're happy for you to share these digital images within the spirit of The Commons. Please cite 'Tyne & Wear Archives & Museums' when reusing. Certain restrictions on high quality reproductions and commercial use of the original physical version apply though; if you're unsure please email archives@twmuseums.org.uk

Subjects

psychic | photography | paranormal | supernatural | fake | spirit | ghost | ectoplasm | spiritphotography | fraud | experiment | eerie | creepy | weird | odd | blackandwhitephotograph | digitalimage | blackframe | grain | mark | circle | spot | lanternslides | fascinating | surreal | scary | psychicphotographyfromanewangle | mysterious | unknownforces | captured | camera | lectureslides | mr | mrcpmaccarthy | 15wilkinsonstreet | sheffield | testconditions | fakepsychicphotography | committee | meeting | gathering | openmind | phenomena | genuine | forces | genuinespiritphotography | demonstration | mystery | unsolved | neutralbackground | fur | furry | object | crease | frame | ball | socialhistory

License

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A Spiritual Committee

Description

This mysterious collection of images have been discovered within the photographic collections of Tyne & Wear Archives & Museums. Reference: TWCMS -H13098-73-3 The lantern slides are from a series titled 'Psychic Photography From A New Angle' and feature eerie images of the supposedly paranormal and unknown forces caught on camera. Very little is known of the origins of this collection. The slides were designed to accompany a lecture by a Mr C.P. MacCarthy of 15 Wilkinson Street, Sheffield. Mr MacCarthy produced the images under test conditions in 1934 in front of an invited committee at 76 Clarkehouse Road, Sheffield. He states the intention was to ?demonstrate under test conditions Fake Psychic Photography? to this committee. Mr MacCarthy states his three reasons for this demonstration. 1.To prove the possibility of Fake under test conditions. 2.To show you cannot be too critical of such phenomena. 3.To indicate the increasing scope for fraud with the probability of genuine spirit photography. Mr MacCarthy further guarantees ?in the sum of five pounds, payable to any charitable institution, that no collusion exists, or has existed between myself and any other party in connection with this demonstration.? Little is currently known of the Psychic demonstration. Who sat on the invited committee? Who was Mr MacCarthy? Why was he investigating Psychic Photography? Can you help us with this information? (Copyright) We're happy for you to share these digital images within the spirit of The Commons. Please cite 'Tyne & Wear Archives & Museums' when reusing. Certain restrictions on high quality reproductions and commercial use of the original physical version apply though; if you're unsure please email archives@twmuseums.org.uk

Subjects

psychic | photography | paranormal | supernatural | fake | spirit | ghost | ectoplasm | spiritphotography | fraud | experiment | eerie | creepy | weird | odd | blackandwhitephotograph | socialhistory | lanternslides | digitalimage | psychicphotographyfromanewangle | unknownforces | mrmaccarthy | testconditions | 1934 | invitedcommittee | 76clarkehouseroad | sheffield | demonstration | genuine | collusion | mysterious | bizzare | unusual | investigation | lecture | slides | camera | captured | grain | blur | room | man | staircase | seated | books | table | attentive | glasses | bald | tie | suit | shirt | marl | scratches | blackoutline | scary | surreal | hand | arm | head | chest | eye | nose | mouth | lip | ear | skin | body | chair | spiritual | committee | image | origins | challenging | england

License

No known copyright restrictions

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Tyne & Wear Archives & Museums | FlickR

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Psychic Photography From A New Angle

Description

This mysterious collection of images have been discovered within the photographic collections of Tyne & Wear Archives & Museums. Reference: TWCMS-H13098-73-1 The lantern slides are from a series titled 'Psychic Photography From A New Angle' and feature eerie images of the supposedly paranormal and unknown forces caught on camera. Very little is known of the origins of this collection. The slides were designed to accompany a lecture by a Mr C.P. MacCarthy of 15 Wilkinson Street, Sheffield. Mr MacCarthy produced the images under test conditions in 1934 in front of an invited committee at 76 Clarkehouse Road, Sheffield. He states the intention was to ?demonstrate under test conditions Fake Psychic Photography? to this committee. Mr MacCarthy states his three reasons for this demonstration. 1.To prove the possibility of Fake under test conditions. 2.To show you cannot be too critical of such phenomena. 3.To indicate the increasing scope for fraud with the probability of genuine spirit photography. Mr MacCarthy further guarantees ?in the sum of five pounds, payable to any charitable institution, that no collusion exists, or has existed between myself and any other party in connection with this demonstration.? Little is currently known of the Psychic demonstration. Who sat on the invited committee? Who was Mr MacCarthy? Why was he investigating Psychic Photography? Can you help us with this information? (Copyright) We're happy for you to share these digital images within the spirit of The Commons. Please cite 'Tyne & Wear Archives & Museums' when reusing. Certain restrictions on high quality reproductions and commercial use of the original physical version apply though; if you're unsure please email archives@twmuseums.org.uk

Subjects

psychic | photography | paranormal | supernatural | fake | spirit | ghost | ectoplasm | spiritphotography | fraud | experiment | eerie | creepy | weird | odd | lanternslide | blackandwhitephotograph | newangle | surreal | lecture | mrcpmaccarthy | testconditions | 1934 | invitedcommittee | 76clarkehouseroad | sheffield | genuine | mysterious | letters | message | words

License

No known copyright restrictions

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Tyne & Wear Archives & Museums | FlickR

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A Psychic Portrait

Description

This mysterious collection of images have been discovered within the photographic collections of Tyne & Wear Archives & Museums. Reference: TWCMS -H13098-73-2 The lantern slides are from a series titled 'Psychic Photography From A New Angle' and feature eerie images of the supposedly paranormal and unknown forces caught on camera. Very little is known of the origins of this collection. The slides were designed to accompany a lecture by a Mr C.P. MacCarthy of 15 Wilkinson Street, Sheffield. Mr MacCarthy produced the images under test conditions in 1934 in front of an invited committee at 76 Clarkehouse Road, Sheffield. He states the intention was to ?demonstrate under test conditions Fake Psychic Photography? to this committee. Mr MacCarthy states his three reasons for this demonstration. 1.To prove the possibility of Fake under test conditions. 2.To show you cannot be too critical of such phenomena. 3.To indicate the increasing scope for fraud with the probability of genuine spirit photography. Mr MacCarthy further guarantees ?in the sum of five pounds, payable to any charitable institution, that no collusion exists, or has existed between myself and any other party in connection with this demonstration.? Little is currently known of the Psychic demonstration. Who sat on the invited committee? Who was Mr MacCarthy? Why was he investigating Psychic Photography? Can you help us with this information? (Copyright) We're happy for you to share these digital images within the spirit of The Commons. Please cite 'Tyne & Wear Archives & Museums' when reusing. Certain restrictions on high quality reproductions and commercial use of the original physical version apply though; if you're unsure please email archives@twmuseums.org.uk

Subjects

psychic | photography | paranormal | supernatural | fake | spirit | ghost | ectoplasm | spiritphotography | fraud | experiment | eerie | creepy | weird | odd | blackandwhitephotograph | scary | surreal | unusual | lanternslides | anewangle | unknown | testcase | forces | lecture | mrcpmaccarthy | demontration | captured | person | man | blankexpression | seated | blazer | coat | light | shining | blurred | room | mirror | reflection | distorted | abstract | cleanshaven | shapes | form | outlet | window | opening | clothes

License

No known copyright restrictions

Site sourced from

Tyne & Wear Archives & Museums | FlickR

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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.

Subjects

beam bending | buckling | vibration | polymers | viscoelasticity | strength | ductility | stress | stress concentration | sheet bending | heat treatment | fracture | plasticity | creep | fatigue | solid materials | mechanical loading | thermal loading | design-limiting behavior | stiffness | toughness | durability | engineering materials | materials-limiting problem | 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 https://ocw.mit.edu/terms/index.htm

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TALAT Lecture 3802: Physical Mechanism of Superplasticity

Description

This lecture describes in general the physical mechanism of superplasticity and the microstructural changes which accompany superplastic forming. General background in production engineering and material science is assumed.

Subjects

aluminium | aluminum | european aluminium association | eaa | talat | training in aluminium application technologies | training | metallurgy | technology | lecture | machining | forming | forging | sheet | superplastic forming | superplasticity equation | deformation | grain boundary gliding | gliding of dislocations | exchange mechanism | creep | permutation model | 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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http://dspace.jorum.ac.uk/oai/request?verb=ListRecords&metadataPrefix=oai_dc

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Ni-Superalloy

Description

This image shows the microstructure of a crept Ni-base superalloy. The ?' phase has rafted.

Subjects

creep | nickel | single crystal | DoITPoMS | University of Cambridge | micrograph | corematerials | ukoer

License

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

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Ni-Superalloy

Description

(TBBF) two-beam condition was set near to observe the dislocation structure in the crept Ni-base superalloy.

Subjects

creep | nickel | single crystal | DoITPoMS | University of Cambridge | micrograph | corematerials | ukoer

License

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

Site sourced from

http://core.materials.ac.uk/rss/doitpoms_images.xml

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