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ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2021.140874
关键词
Metals and alloys: AZ31-0.5Ca alloy; Superplasticity; Microstructure; (Mg,Al)(2)Ca particles
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资金
- National Research Foundation (NRF) of South Korea [2020R1A2C1004720]
- National Research Foundation of Korea [2020R1A2C1004720] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
The superplasticity of AZ31-0.5Ca Mg alloy was found to be higher (around 320%) at a strain rate of 0.001 s(-1) and temperature of 300 degrees C compared to the Ca-free AZ31 alloy according to the experimental results reported in this study.
In this short communication, the superplasticity of AZ31-0.5Ca Mg alloy was investigated and was compared to that of the Ca-free counterpart (AZ31 Mg alloy). For this purpose, AZ31 and AZ31-0.5Ca Mg alloy samples were subjected to elevated temperature tensile tests at various strain rates. The results reported in this work showed that the Ca addition lead to a higher superplasticity (similar to 320%) at strain rate and temperature of 0.001 s(-1) and 300 degrees C, respectively, as compared to that observed in the Ca-free AZ31 alloy.
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