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

DoITPoMS Micrograph Library Full Record for Micrograph 38
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Full Record for Micrograph 38

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Micrograph no
38
Brief description
Cu 98, Be 2 (wt%), slow cooling - annealing twins
Keywords
alloy Link to MATTER Glossary entry for alloy, annealing Link to MATTER Glossary entry for annealing, beryllium, copper, metal, recrystallisation Link to MATTER Glossary entry for recrystallisation, solution heat treatment Link to MATTER Glossary entry for solution heat treatment, twinning Link to MATTER Glossary entry for twinning
Categories
Metal or alloy
System
Cu-Be   Link to phase diagram
Composition
Cu 98, Be 2 (wt%)
Standard codes
Reaction
Processing
Solution treated and slow cooled
Applications
Sample preparation
Technique
Reflected light microscopy
Length bar
400 μm
Further information
This sample was solution treated and cooled slowly. It contains equiaxed a grains that form in order to minimise their surface energy. Within these grains there is evidence of twinning. Annealing twins have formed during recrystallisation.
Contributor
Prof T W Clyne
Organisation
Department of Materials Science and Metallurgy, University of Cambridge
Date
25/10/01
Licence for re-use
Attribution-NonCommercial-ShareAlike 4.0 International