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Micrograph 499 and full record

Link to image file for micrograph 499
Micrograph no
499
Brief description
Cu 90, Sn 10 (wt%) bronze, cast annealed
Keywords
alloy Link to MATTER Glossary entry for alloy, annealing Link to MATTER Glossary entry for annealing, bronze Link to MATTER Glossary entry for bronze, copper, metal, tin
Categories
Metal or alloy
System
Cu-Sn   Link to phase diagram
Composition
Cu 90, Sn 10 (wt%)
Standard codes
Reaction
Processing
Cast annealed 500 ºC and air cooled
Applications
Sample preparation
Ferric chloride
Technique
Reflected light microscopy
Length bar
100 μm
Further information
Subsequent to casting this sample was subject to an annealing treatment which served to recrystallise the sample. Evidence of this can be found in the annealing twins visible in several of the grains. These are a consequence of growth accidents during recrystallisation. Their shape is determined by the need to minimise interfacial energy. There is no strain energy associated with such twins and hence they do not have pointed ends.
Contributor
Dr R F Cochrane
Organisation
Department of Materials, University of Leeds
Date
04/09/02
Licence for re-use
Attribution-NonCommercial-ShareAlike 4.0 International
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