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

DoITPoMS Micrograph Library Full Record for Micrograph 459

Full Record for Micrograph 459

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Micrograph no
459
Brief description
Brass, exhibiting grain boundary nucleation
Keywords
alloy Link to MATTER Glossary entry for alloy, brass Link to MATTER Glossary entry for brass, copper, metal, zinc
Categories
Metal or alloy
System
Cu-Zn   Link to phase diagram
Composition
Cu 50, Zn 50 (wt%)
Standard codes
Reaction
Processing
Cast
Applications
Sample preparation
Ammonium persulphate
Technique
Reflected light microscopy
Length bar
400 μm
Further information
A high zinc brass that forms large grains of b phase (yellow areas, due to higher copper content) and subsequently grains of g form on b grain boundaries and also on non-metallic inclusions in the alloy.
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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