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

DoITPoMS Micrograph Library Full Record for Micrograph 50

Full Record for Micrograph 50

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Micrograph no
50
Brief description
Cu 60, Zn 40 (wt%), slow cooling - equiaxed grains
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 60, Zn 40 (wt%)
Standard codes
Reaction
Processing
Homogenised at 850 °C, furnace cooled
Applications
Sample preparation
Etched in NH4OH/H2O2
Technique
Reflected light microscopy
Length bar
80 μm
Further information
This sample was homogenised at 850 °C and slowly furnace cooled to give α and β equiaxed grains. The slow cooling allows sufficient time for the required diffusion of solute between solidifying grains to occur to maintain equilibrium.
Contributor
Prof T W Clyne
Organisation
Department of Materials Science and Metallurgy, University of Cambridge
Date
25/10/01
Licence for re-use
Attribution-Non-Commercial-Share Alike 2.0 UK: England & Wales
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