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

DoITPoMS Micrograph Library Full Record for Micrograph 448
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Full Record for Micrograph 448

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Micrograph no
448
Brief description
Cu 65, Zn 35 (wt%) B4 brass, chill cast
Keywords
alloy Link to MATTER Glossary entry for alloy, brass Link to MATTER Glossary entry for brass, copper, dendrite Link to MATTER Glossary entry for dendrite, metal, zinc
Categories
Metal or alloy
System
Cu-Zn   Link to phase diagram
Composition
Cu 65, Zn 35 (wt%) (pure)
Standard codes
Reaction
Processing
Chill cast
Applications
Sample preparation
Ammonium persulphate
Technique
Reflected light microscopy
Length bar
200 μm
Further information
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 b phase and purple-grey ZnO inclusions.
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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