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Full Record for Micrograph 41
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- Micrograph no
- 41
- Brief description
- Zn, cold rolled - mechanical twins
- Keywords
- alloy
, mechanical twins , metal, twinning , zinc - Categories
- Metal or alloy
- System
- Zn
- Composition
- Not specified
- Standard codes
- Reaction
- Processing
- Cold rolled
- Applications
- Sample preparation
- Technique
- Reflected light microscopy
- Length bar
- 400 μm
- Further information
- This sample was cold rolled. Zinc has a hexagonal structure so it contains only two independent slip systems. However, for slip to occur, five slip systems are required so zinc does not undergo general plasticity. Instead it forms mechanical twins as an alternative to dislocation motion to accommodate the deformation.
- 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- Related micrographs