Dissemination of IT for the Promotion of Materials Science (DoITPoMS)

DoITPoMS Micrograph Library Full Record for Micrograph 516
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Full Record for Micrograph 516

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Micrograph no
516
Brief description
Gun metal bronze displaying coring.
Keywords
alloy Link to MATTER Glossary entry for alloy, bronze Link to MATTER Glossary entry for bronze, copper, coring Link to MATTER Glossary entry for coring, metal, porosity Link to MATTER Glossary entry for porosity, tin
Categories
Metal or alloy
System
Cu-Sn   Link to phase diagram
Composition
Cu 88, Sn 8, Zn 4 (wt% approx)
Standard codes
Reaction
Processing
Chill cast
Applications
Sample preparation
Ferric chloride
Technique
Reflected light microscopy
Length bar
800 μm
Further information
An alloy of bronze containing zinc. Some porosity is visible. The variation in colour is attributable to the cooling being rapid enough to prevent solid state diffusion and hence a concentration variation appears.
Contributor
Dr R F Cochrane
Organisation
Department of Materials, University of Leeds
Date
04/09/02
Licence for re-use
Attribution-Non-Commercial-Share Alike 2.0 UK: England & Wales
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