| Enhancement of ductility in high strength Mg-Gd-Y-Zr alloy | |
| L. Gao; R. S. Chen; E. H. Han | |
| 2011 | |
| 发表期刊 | Transactions of Nonferrous Metals Society of China
 |
| ISSN | 1003-6326 |
| 卷号 | 21期号:4页码:863-868 |
| 摘要 | A high strength GW94 alloy with fully recrystallized microstructure and equiaxed ultrafine grains of submicron size was produced by multiaxial forging and ageing. The alloy exhibits an ultimate tensile strength of 377 MPa, proof stress of 295 MPa and elongation to failure of 21.7%. The ductility is improved in comparison with that of the conventional extrusion processing. Superplastic ductility is achieved in tensile testing at 573 K with a maximum elongation of 450%. These high ductility and high strength are attributed to the coexistence of fully recrystallized grains and nanoscale Mg(5)(Gd, Y) particles dynamically precipitated at grain boundaries. |
| 部门归属 | [gao lei; chen rong-shi; han en-hou] chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china. [gao lei] chinese acad sci, grad sch, beijing 100039, peoples r china.;chen, rs (reprint author), chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china;rongshichen@yahoo.com |
| 关键词 | Mg-gd-y Alloy Ductility Multiaxial Forging Microstructure Dynamic Precipitate Severe Plastic-deformation Magnesium Alloy Grain-refinement Mechanical-properties Microstructure |
| URL | 查看原文 |
| WOS记录号 | WOS:000290515800026 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.imr.ac.cn/handle/321006/30341 |
| 专题 | 中国科学院金属研究所 |
| 推荐引用方式 GB/T 7714 | L. Gao,R. S. Chen,E. H. Han. Enhancement of ductility in high strength Mg-Gd-Y-Zr alloy[J]. Transactions of Nonferrous Metals Society of China,2011,21(4):863-868. |
| APA | L. Gao,R. S. Chen,&E. H. Han.(2011).Enhancement of ductility in high strength Mg-Gd-Y-Zr alloy.Transactions of Nonferrous Metals Society of China,21(4),863-868. |
| MLA | L. Gao,et al."Enhancement of ductility in high strength Mg-Gd-Y-Zr alloy".Transactions of Nonferrous Metals Society of China 21.4(2011):863-868. |
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