Abstract
This study investigates the effects of rolling rate on the microstructure and mechanical properties of magnesium alloy sheets. AZ31 plates were rolled at speeds of 5, 10, 20 and 30 r · min−1 at room temperature. Optical microscopy, micro-hardness testing, and X-ray diffraction were carried out to characterize the material microstructure. Results show that the number of twin grains increases as the rolling rate increases. Simultaneously, the micro-hardness of the samples decreases, and the (0 001) basal texture is weakened. These results suggest the use of high rolling speed to practically reduce the formation of unfavorable basal texture in manufacturing magnesium alloy sheets.
| Original language | English |
|---|---|
| Pages (from-to) | 502-506 |
| Number of pages | 5 |
| Journal | International Journal of Materials Research |
| Volume | 105 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - 8 May 2014 |
| Externally published | Yes |
Funding
The work is supported by Changjiang Scholar Program from Ministry of Education of China, DARPA (W91CRB-11-C-0112), National Science Foundation (CMMI-0643726), AFOSR (FA9550-12-1-0159), Research Foundation of Chongqing University of Science & Technology (CK2013B13), National Great Theoretic Research Project (2013CB632200), International Cooperation Project (2010DFR-50010), Chongqing Sci&Tech Support Project (CSTC 2013jcyj-C60001), Achievement Transfer Program of Institutions of Higher Education in Chongqing (kjzh11221) and Chongqing Engineering Research Center for Metallurgy Inspection & Equipment (cstc2011pt-gc70007, 12C26245116128, 12C26215116103).
Keywords
- Magnesium alloy
- Rolling rate
- Twinning
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