High ductility of a bi-modal Mg-7wt.%Y alloy at low temperature prepared by high pressure boriding and semi-solid extrusion
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- 作者：Hui Fua ; Hui Lia ; lihui@ysu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Daqing Fanga ; b ; Xuecheng Caia ; Qiuming Penga ; pengqiuming@ysu.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Mg-Y alloys ; Mechanical properties ; Microstructure ; Texture
- 刊名：Materials & Design
- 出版年：2016
- 出版时间：15 February 2016
- 年：2016
- 卷：92
- 期：Complete
- 页码：240-245
- 全文大小：1801 K
文摘
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A Mg-7Y alloy was prepared by high pressure boriding and semi-solid extrusion.
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The novel Mg-7Y alloy has a unique bi-modal structure.
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An ultrahigh elongation of ~ 38.5% was attained at room temperature.
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Superplasticity was achieved at ~ 170 °C at the strain rate of 1 × 10− 3 s− 1.