Strain rate sensitivity and strain macrolocalization in serrated yielding of Al−Mg alloys
✍ Scribed by M. M. Krishtal
- Book ID
- 105588049
- Publisher
- Springer US
- Year
- 1997
- Tongue
- English
- Weight
- 650 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0026-0673
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The effects of precipitation hardening on the stram rate sensitlvlty of the flow stress and the yield behaviour in an Al-Mg-Si allo) have been investigated. In samples aged for less than 4 h at 160 C measurements of Au Alti were found to decrease with increasing strain. becommg negative at a strain
The effect of discontinuous increases in strain rate on the yield behavior of specimens undergoing type A serrated yielding has been investigated. Above a critical increase in strain rate, a transition in the subsequent yield behavior, from further type A yielding to continuous yielding was observed