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Published on: April 4, 2017
A Further Improvement in the Room-Temperature Formability of Magnesium Alloy Sheets by Pre-Stretching
Umer Masood Chaudry1, Kotiba Hamad1, Jung-Gu Kim1
1School of Advanced Materials Science & Engineering, Sungkyunkwan University, Suwon 16419, Korea.
Abstract:
Pre-stretching experiments were carried out on AZ31-0.5Ca magnesium alloy to alter the microstructure and texture for enhancing room-temperature formability. Compared to as-received alloy, the formability of a 5%-stretched sample was improved by 15%. This was attributed to enhanced strain hardening capability related to the weakening of basal texture and less homogeneous microstructure. In addition, in-grain misorientation axis analysis performed on the samples (as-received and stretched) also confirmed the higher activity of the non-basal slip systems in the 5%-stretched sample.
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