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Peter Taylor, coppersmith, arrested for stealing from his employers Peter Taylor, coppersmith, arrested for stealing from his employers

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man | man | face | face | hat | hat | scarf | scarf | foundry | foundry | mouth | mouth | interesting | interesting | serious | serious | head | head | grain | grain | property | property | gateshead | gateshead | moustache | moustache | criminal | criminal | crime | crime | button | button | mugshot | mugshot | motive | motive | stolen | stolen | unusual | unusual | ww1 | ww1 | theft | theft | selling | selling | policestation | policestation | wrinkle | wrinkle | firstworldwar | firstworldwar | defence | defence | attentive | attentive | steal | steal | stealing | stealing | prisoner | prisoner | civilian | civilian | fascinating | fascinating | digitalimage | digitalimage | sunderland | sunderland | monkwearmouth | monkwearmouth | charged | charged | coppersmith | coppersmith | prosecution | prosecution | foreman | foreman | northshields | northshields | transcription | transcription | convicted | convicted | socialhistory | socialhistory | newsreport | newsreport | blackframe | blackframe | courtcase | courtcase | blackandwhitephotograph | blackandwhitephotograph | summoned | summoned | petertaylor | petertaylor | 99churchstreet | 99churchstreet | neutralbackground | neutralbackground | prisonterm | prisonterm | lawsonstreet | lawsonstreet | carolineallen | carolineallen | £11 | £11 | 13may1915 | 13may1915 | 190216 | 190216 | johnhearn | johnhearn | northshieldspolicecourt | northshieldspolicecourt | theshieldsdailynews | theshieldsdailynews | northshieldslocalstudieslibrary | northshieldslocalstudieslibrary | criminalfacesofnorthshieldsfirstworldwar | criminalfacesofnorthshieldsfirstworldwar | microfilmcopies | microfilmcopies | 21may1915 | 21may1915 | 25brassbosses | 25brassbosses | 26whickhamstreet | 26whickhamstreet | copperpipeends | copperpipeends | detmason | detmason | mrlwolff | mrlwolff | mrpmdodds | mrpmdodds | jameshoggandsons | jameshoggandsons | receivingstolengoods | receivingstolengoods | gatesheadstore | gatesheadstore | 28brassflanges | 28brassflanges

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John D. Ryan (LOC) John D. Ryan (LOC)

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ryan | ryan | moustache | moustache | libraryofcongress | libraryofcongress | johnryan | johnryan | industrialist | industrialist | anacondacopperminingcompany | anacondacopperminingcompany | jdryan | jdryan | johndryan | johndryan | montanapower | montanapower | anacondacopper | anacondacopper | montanapowercompany | montanapowercompany | johndennisryan | johndennisryan | tallcollar | tallcollar

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Francis Smith, labourer, arrested for stealing a copper vessel Francis Smith, labourer, arrested for stealing a copper vessel

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poverty | poverty | boy | boy | portrait | portrait | blur | blur | male | male | eye | eye | youth | youth | scarf | scarf | mouth | mouth | hair | hair | nose | nose | interesting | interesting | child | child | hand | hand | unitedkingdom | unitedkingdom | head | head | mark | mark | coat | coat | poor | poor | grain | grain | young | young | vessel | vessel | historic | historic | criminal | criminal | fabric | fabric | crime | crime | cap | cap | ear | ear | button | button | archives | archives | wallace | wallace | mugshot | mugshot | unusual | unusual | tear | tear | shoulder | shoulder | theft | theft | tynemouth | tynemouth | policestation | policestation | crease | crease | unemployed | unemployed | attentive | attentive | waistcoat | waistcoat | edwardian | edwardian | struggle | struggle | stealing | stealing | prisoner | prisoner | unemployment | unemployment | fascinating | fascinating | digitalimage | digitalimage | grandhotel | grandhotel | labourer | labourer | charged | charged | vulnerable | vulnerable | larceny | larceny | northshields | northshields | hardship | hardship | slinger | slinger | northtyneside | northtyneside | socialhistory | socialhistory | newcastlebreweries | newcastlebreweries | blackandwhitephotograph | blackandwhitephotograph | northeastofengland | northeastofengland | francissmith | francissmith | neutralbackground | neutralbackground | albertpollard | albertpollard | leniency | leniency | coppervessel | coppervessel | northshieldspolicecourt | northshieldspolicecourt | 19021916 | 19021916 | northshieldspolicestation | northshieldspolicestation | detectiveradcliffe | detectiveradcliffe | chiefconstablehuish | chiefconstablehuish | criminalfacesofnorthshieldschildren | criminalfacesofnorthshieldschildren | newcastlebreweriescoy | newcastlebreweriescoy | marinestoredealer | marinestoredealer

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Cu-10.5 wt% P

Description

This is an example of a hypereutectic alloy. On slow cooling the liquid first solidified as copper phosphide dendrites at approximately 850C. The remaining liquid solidified as a eutectic at 714C. The copper phosphide is brittle and has cracked due to shrinkage stresses. Note that because of its narrow composition range, there is no coring in the dendrites. This sample also contains some porosity.

Subjects

alloy | bronze | copper | copper phosphide | dendrite | hypoeutectic | metal | phosphorus | porosity | DoITPoMS | University of Cambridge | micrograph | corematerials | ukoer

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Cu-10.5 wt% P

Description

This is an example of a hypereutectic alloy. On slow cooling the liquid first solidified as copper phosphide dendrites at approximately 850C. The remaining liquid solidified as a eutectic at 714C. The copper phosphide is brittle and has cracked due to shrinkage stresses. Note that because of its narrow composition range, there is no coring in the dendrites. This sample also contains some porosity.

Subjects

alloy | bronze | copper | copper phosphide | dendrite | hypoeutectic | metal | phosphorus | porosity | DoITPoMS | University of Cambridge | micrograph | corematerials | ukoer

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Cu-10.5 wt% P

Description

This is an example of a hypereutectic alloy. On slow cooling the liquid first solidified as copper phosphide dendrites at approximately 850C. The remaining liquid solidified as a eutectic at 714C. The copper phosphide is brittle and has cracked due to shrinkage stresses. Note that because of its narrow composition range, there is no coring in the dendrites. This sample also contains some porosity.

Subjects

alloy | bronze | copper | copper phosphide | dendrite | hypoeutectic | metal | phosphorus | porosity | DoITPoMS | University of Cambridge | micrograph | corematerials | ukoer

License

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

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Cu-10.5 wt% P

Description

This is an example of a hypereutectic alloy. On slow cooling the liquid first solidified as copper phosphide dendrites at approximately 850C. The remaining liquid solidified as a eutectic at 714C. The copper phosphide is brittle and has cracked due to shrinkage stresses. Note that because of its narrow composition range, there is no coring in the dendrites. This sample also contains some porosity.

Subjects

alloy | bronze | copper | copper phosphide | dendrite | hypoeutectic | metal | phosphorus | porosity | DoITPoMS | University of Cambridge | micrograph | corematerials | ukoer

License

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

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Cu-10.5 wt% P

Description

This is an example of a hypereutectic alloy. On slow cooling the liquid first solidified as copper phosphide dendrites at approximately 850C. The remaining liquid solidified as a eutectic at 714C. The copper phosphide is brittle and has cracked due to shrinkage stresses. Note that because of its narrow composition range, there is no coring in the dendrites. This sample also contains some porosity.

Subjects

alloy | bronze | copper | copper phosphide | dendrite | hypoeutectic | metal | phosphorus | porosity | DoITPoMS | University of Cambridge | micrograph | corematerials | ukoer

License

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 | 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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Peter Taylor, coppersmith, arrested for stealing from his employers

Description

Name: Peter Taylor Arrested for: not given Arrested at: North Shields Arrested on: 13 May 1915 Tyne and Wear Archives ref: DX1388-1-260-Peter Taylor The Shields Daily News for 21 May 1915 reports: ?STEALING AND RECEIVING. MAN AND WOMAN SENT TO PRISON AT NORTH SHIELDS. At North Shields today, Peter Taylor, a coppersmith, of 26 Whickham Street, Sunderland, was charged with stealing, between February 15th and May 12th, from a foundry in Lawson Street, 28 brass flanges, 25 brass bosses and a quantity of copper pipe ends, valued at 11, the property of James Hogg and Sons and Caroline Allen of 99 Church Street, Monkwearmouth was summoned for feloniously receiving the same, well knowing the same to have been stolen. Mr P.M. Dodds prosecuted and Mr L. Wolff, of Sunderland, defended the female defendant. Mr P.M. Dodds stated that Taylor had been employed by James Hogg and Sons for three months and during the last two months they had been missing brass and copper from the foundry in Lawson Street. Suspicion fell on Taylor and he was kept under observation. Det. Mason said that he had drilled a hole in a partition to watch Taylor and at 12.20pm on the 15th inst. he saw him pick up three brass flanges. He put one in his pocket and two down his trousers. He intercepted defendant and when charged he replied ?I don?t deny stealing it.? Defendant also said he sold the brass and copper to defendant Allen. He did not know how much he had stolen, but Allen said she would buy anything up to an anchor. Witness then went to Sunderland and charged Allen, and she said Taylor had been telling lies, as she did not know they were stolen. She admitted buying flanges etc. from Allen, about four times a week, and she sold them to a Gateshead store. John Hearn, foreman for James Hogg and Sons, went to Gateshead with Det. Mason and identified some flanges and copper. Taylor pleaded guilty and Allen not guilty. Mr Wolff then submitted there was no case against Allen, on the ground that she had not a guilty knowledge. The magistrates committed Taylor to prison for three months and Allen for one month in the second division. The Mayor (Counc. H. Gregg) said that if it was not for the likes of Allen, Taylor would not be in the position he was in.? These images are taken from an album of photographs of prisoners brought before the North Shields Police Court between 1902 and 1916 (TWAM ref. DX1388/1). This set is our selection of the best mugshots taken during the First World War. They have been chosen because of the sharpness and general quality of the images. The album doesn?t record the details of each prisoner?s crimes, just their names and dates of arrest. In order to discover the stories behind the mugshots, staff from Tyne & Wear Archives & Museums visited North Shields Local Studies Library where they carefully searched through microfilm copies of the ?Shields Daily News? looking for newspaper reports of the court cases. The newspaper reports have been transcribed and added below each mugshot. Combining these two separate records gives us a fascinating insight into life on the Home Front during the First World War. These images document the lives of people of different ages and backgrounds, both civilians and soldiers. Our purpose here is not to judge them but simply to reflect the realities of their time. (Copyright) We're happy for you to share this digital image 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

prisoner | crime | criminal | northshields | policestation | mugshot | coppersmith | sunderland | stealing | jameshoggandsons | receivingstolengoods | theft | socialhistory | blackandwhitephotograph | man | grain | neutralbackground | hat | scarf | blackframe | digitalimage | criminalfacesofnorthshieldsfirstworldwar | firstworldwar | ww1 | 13may1915 | petertaylor | theshieldsdailynews | newsreport | courtcase | 21may1915 | fascinating | unusual | interesting | 26whickhamstreet | steal | stolen | charged | convicted | foundry | lawsonstreet | 28brassflanges | 25brassbosses | copperpipeends | 11 | property | carolineallen | 99churchstreet | monkwearmouth | summoned | mrpmdodds | mrlwolff | prosecution | defence | detmason | selling | gatesheadstore | johnhearn | foreman | gateshead | prisonterm | 190216 | northshieldslocalstudieslibrary | transcription | microfilmcopies | civilian | northshieldspolicecourt | motive | moustache | serious | attentive | wrinkle | head | face | mouth | button

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1.978 From Nano to Macro: Introduction to Atomistic Modeling Techniques (MIT) 1.978 From Nano to Macro: Introduction to Atomistic Modeling Techniques (MIT)

Description

The objective of this course is to introduce large-scale atomistic modeling techniques and highlight its importance for solving problems in modern engineering sciences. We demonstrate how atomistic modeling can be used to understand how materials fail under extreme loading, involving unfolding of proteins and propagation of cracks. This course was featured in an MIT Tech Talk article. The objective of this course is to introduce large-scale atomistic modeling techniques and highlight its importance for solving problems in modern engineering sciences. We demonstrate how atomistic modeling can be used to understand how materials fail under extreme loading, involving unfolding of proteins and propagation of cracks. This course was featured in an MIT Tech Talk article.

Subjects

large-scale atomistic | large-scale atomistic | large-scale atomistic modeling techniques | large-scale atomistic modeling techniques | modern engineering sciences | modern engineering sciences | atomistic modeling | atomistic modeling | extreme loading | extreme loading | ductile and brittle materials failure | ductile and brittle materials failure | molecular dynamics | molecular dynamics | simulations | simulations | Cauchy-Born rule | Cauchy-Born rule | biomechanics | biomechanics | biomaterials | biomaterials | copper nanocrystal | copper nanocrystal | nanomechanics | nanomechanics | material mechanics | material mechanics

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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Cu-10.5 wt% P

Description

This is an example of a hypereutectic alloy. On slow cooling the liquid first solidified as copper phosphide dendrites at approximately 850°C. The remaining liquid solidified as a eutectic at 714°C. The copper phosphide is brittle and has cracked due to shrinkage stresses. Note that because of its narrow composition range, there is no coring in the dendrites. This sample also contains some porosity.

Subjects

alloy | bronze | copper | copper phosphide | dendrite | hypoeutectic | metal | phosphorus | porosity | doitpoms | university of cambridge | micrograph | 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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Cu-10.5 wt% P

Description

This is an example of a hypereutectic alloy. On slow cooling the liquid first solidified as copper phosphide dendrites at approximately 850°C. The remaining liquid solidified as a eutectic at 714°C. The copper phosphide is brittle and has cracked due to shrinkage stresses. Note that because of its narrow composition range, there is no coring in the dendrites. This sample also contains some porosity.

Subjects

alloy | bronze | copper | copper phosphide | dendrite | hypoeutectic | metal | phosphorus | porosity | doitpoms | university of cambridge | micrograph | 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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Cu-10.5 wt% P

Description

This is an example of a hypereutectic alloy. On slow cooling the liquid first solidified as copper phosphide dendrites at approximately 850°C. The remaining liquid solidified as a eutectic at 714°C. The copper phosphide is brittle and has cracked due to shrinkage stresses. Note that because of its narrow composition range, there is no coring in the dendrites. This sample also contains some porosity.

Subjects

alloy | bronze | copper | copper phosphide | dendrite | hypoeutectic | metal | phosphorus | porosity | doitpoms | university of cambridge | micrograph | 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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Cu-10.5 wt% P

Description

This is an example of a hypereutectic alloy. On slow cooling the liquid first solidified as copper phosphide dendrites at approximately 850°C. The remaining liquid solidified as a eutectic at 714°C. The copper phosphide is brittle and has cracked due to shrinkage stresses. Note that because of its narrow composition range, there is no coring in the dendrites. This sample also contains some porosity.

Subjects

alloy | bronze | copper | copper phosphide | dendrite | hypoeutectic | metal | phosphorus | porosity | doitpoms | university of cambridge | micrograph | 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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Cu-10.5 wt% P

Description

This is an example of a hypereutectic alloy. On slow cooling the liquid first solidified as copper phosphide dendrites at approximately 850°C. The remaining liquid solidified as a eutectic at 714°C. The copper phosphide is brittle and has cracked due to shrinkage stresses. Note that because of its narrow composition range, there is no coring in the dendrites. This sample also contains some porosity.

Subjects

alloy | bronze | copper | copper phosphide | dendrite | hypoeutectic | metal | phosphorus | porosity | doitpoms | university of cambridge | micrograph | 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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1.978 From Nano to Macro (MIT) 1.978 From Nano to Macro (MIT)

Description

The objective is to introduce large-scale atomistic modeling techniques and motivate its importance for solving problems in modern engineering sciences. We demonstrate how atomistic modeling can be successfully applied to understand how materials fail under extreme loading, emphasizing on the competition between ductile and brittle materials failure. We will demonstrate the techniques in describing failure of a copper nano-crystal. The objective is to introduce large-scale atomistic modeling techniques and motivate its importance for solving problems in modern engineering sciences. We demonstrate how atomistic modeling can be successfully applied to understand how materials fail under extreme loading, emphasizing on the competition between ductile and brittle materials failure. We will demonstrate the techniques in describing failure of a copper nano-crystal.

Subjects

large-scale atomistic modeling techniques | large-scale atomistic modeling techniques | modern engineering sciences | modern engineering sciences | atomistic modeling | atomistic modeling | extreme loading | extreme loading | ductile and brittle materials failure | ductile and brittle materials failure | copper nano-crystal | copper nano-crystal

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 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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Cu 65, Zn 35 (wt%) B4 brass, chill cast

Description

An good example of dendritic solidification, which occurs when the solidification front becomes unstable with respect to small perturbations. This results in the growth of the perturbations, producing dendrites (from the Greek for tree). Interdendritic β phase and purple-grey ZnO inclusions.

Subjects

alloy | brass | copper | dendrite | metal | zinc | doitpoms | university of cambridge | micrograph | 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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Cu 55, Zn 45 (wt%) brass, rapidly cooled

Description

Brasses with greater than 40% zinc usually consist of β primary dendrites surrounded by α phase. The lack of such a microstructure in this sample indicates that the cooling rate during casting was sufficiently rapid that dendrites were unable to form and consequently the microstructure consists entirely of β phase.

Subjects

alloy | brass | copper | metal | zinc | doitpoms | university of cambridge | micrograph | 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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Cu 55, Zn 45 (wt%) brass, rapidly cooled

Description

Brasses with greater than 40% zinc usually consist of β primary dendrites surrounded by α phase. The lack of such a microstructure in this sample indicates that the cooling rate during casting was sufficiently rapid that dendrites were unable to form and consequently the microstructure consists entirely of β phase.

Subjects

alloy | brass | copper | metal | zinc | doitpoms | university of cambridge | micrograph | 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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Metallic bonding

Description

This animation shows the metallic bonding in copper.

Subjects

positive charge | copper | electrons | atomic structure | atoms | Physical Sciences | MATHEMATICS | Teaching | UK EL03 = SCQF 3 | Level 3 | Entry level 2 | NICAT Entry | Access 3 | Foundation SG | UK EL04 = SCQF 4 | Foundational Level | NICAT 1 | CQFW 1 | Foundation | GCSE D-G | NVQ 1 | Intermediate 1 | | Physical sciences | F000 | EDUCATION / TRAINING / TEACHING | SCIENCES and MATHEMATICS | G | R

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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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Cu 55, Zn 45 (wt%) brass, rapidly cooled

Description

Brasses with greater than 40% zinc usually consist of β primary dendrites surrounded by α phase. The lack of such a microstructure in this sample indicates that the cooling rate during casting was sufficiently rapid that dendrites were unable to form and consequently the microstructure consists entirely of β phase.

Subjects

alloy | brass | copper | metal | zinc | doitpoms | university of cambridge | micrograph | 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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Cu 52.5, Zn 47.5 (wt%) brass, as cast

Description

β brass consisting of large grains of β phase with Widmanstätten γ forming from the grain boundaries.

Subjects

alloy | brass | copper | metal | widmanstätten | zinc | doitpoms | university of cambridge | micrograph | 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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Al 95, Cu 5 (wt%), microsegregation - cored dendrites

Description

This sample shows kappa-Al dendrites surrounded by a fine eutectic in which the two phases, kappa and ? (Al

Subjects

alloy | aluminium | copper | coring | dendrite | metal | microsegregation | DoITPoMS | University of Cambridge | micrograph | corematerials | ukoer

License

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

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