Micrograph 37 and full record
- Micrograph no
- 37
- Brief description
- Cu 70, Zn 30 (wt%), slow cooling - annealing twins
- Keywords
- alloy , annealing , brass , copper, metal, recrystallisation , twinning , zinc
- Categories
- Metal or alloy
- System
- Cu-Zn
- Composition
- Cu 70, Zn 30 (wt%)
- Standard codes
- Reaction
- Processing
- Cold rolled and recrystallised
- Applications
- Sample preparation
- Etched in NH4OH/H202
- Technique
- Reflected light microscopy
- Length bar
- 400 μm
- Further information
- This sample was cooled slowly and 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
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