1. Extraordinary Room-Temperature Tensile Ductility of Pure Magnesium
- Author
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Xinghao Du, Haitao Chang, Cai Chen, Xiaofeng Huo, Wanpeng Li, Jacob C. Huang, Guosheng Duan, and Baolin Wu
- Subjects
pure mg ,multiple-axial forging ,mechanical properties ,strain hardening ,pyramidal dislocations ,Technology ,Electrical engineering. Electronics. Nuclear engineering ,TK1-9971 ,Engineering (General). Civil engineering (General) ,TA1-2040 ,Microscopy ,QH201-278.5 ,Descriptive and experimental mechanics ,QC120-168.85 - 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 dislocations at the plastic straining stage.
- Published
- 2019
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