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Extraordinary Room-Temperature Tensile Ductility of Pure Magnesium
Xinghao Du1, Haitao Chang1, Cai Chen1,2
1School of Materials Science & Engineering, Shenyang Aerospace University, Shenyang 110136, China.
Abstract:
Room-temperature tensile behavior and associated deformation mechanisms of multiple-axial forged (MAFed) pure Mg has been investigated. The as-MAFed Mg, with a coarsely recrystallized structure, exhibited a balanced strain-hardening behavior with strain, resulting in extraordinary mechanical properties with high ultimate stress (~200 MPa) and extensive true strain (~0.30). The observation on the microstructural evolution suggests that the balanced strain-hardening behavior is correlated with de-twinning behavior cooperated with pyramidal
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