Superplastic Behavior and Microstructural Evolution in a Commercial Mg-3Al-1Zn Magnesium Alloy.
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Superplastic behavior and microstructural evolution in a commercial Mg–3Al–1Zn magnesium alloy were investigated at temperatures between 623 K and 723 K and strain rates between 10<SUP>−5</SUP> and 10<SUP>−3</SUP> s<SUP>−1</SUP>. Grain refinement was obtained in the test alloy due to the dynamic recrystallization during an initial stage of tensile test. As a result, the alloy exhibited good superplasticity at all strain rates and temperatures, and a maximum elongation of 314% was obtained. The results of optical microscopy and SEM revealed that the dominant deformation mechanism was grain boundary sliding, and the dynamic recrystallization was the accommodated mechanism for the deformation.
- The Japan Institute of Metals and Materialsの論文
The Japan Institute of Metals and Materials | 論文
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