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

DoITPoMS Micrograph Library Full Record for Micrograph 36
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Full Record for Micrograph 36

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Micrograph no
36
Brief description
Cu 60, Zn 40 (wt%), quenched - metastable b grains
Keywords
alloy Link to MATTER Glossary entry for alloy, brass Link to MATTER Glossary entry for brass, copper, metal, metastable Link to MATTER Glossary entry for metastable, quenching Link to MATTER Glossary entry for quenching, zinc
Categories
Metal or alloy
System
Cu-Zn   Link to phase diagram
Composition
Cu 60, Zn 40 (wt%)
Standard codes
Reaction
Processing
Homogenised at 800 °C, quenched
Applications
Sample preparation
Etched in NH4OH/H202
Technique
Reflected light microscopy
Length bar
400 μm
Further information
This sample was homogenised at 800 °C and quenched rapidly to retain supersaturated metastable b grains. With quenching there is insufficient time for diffusion to occur resulting in a metastable structure.
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