Al-Mg alloy engineered with bimodal grain size for high strength and increased ductility

被引：306
|
作者：
Witkin, D
Lee, Z
Rodriguez, R
Nutt, S
Lavernia, E
机构：
[1] Univ Calif Irvine, Dept Chem Engn & Mat Sci, Irvine, CA 92697 USA
[2] Univ So Calif, Dept Mat Sci, Los Angeles, CA 90089 USA
[3] Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA
来源：
SCRIPTA MATERIALIA | 2003年 / 49卷 / 04期
关键词：
aluminum alloys; nanocrystalline materials; mechanical properties; MECHANICAL-BEHAVIOR; NANOCRYSTALLINE; MICROSTRUCTURE; ALUMINUM; POWDERS; GROWTH;
D O I：
10.1016/S1359-6462(03)00283-5
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Al-7.5Mg powders were cryomilled, then consolidated and extruded to produce bulk nanostructured material. The extrusions had a tensile yield strength of 641 MPa and an ultimate strength of 847 MPa. Additional samples were prepared by combining cryomilled powder unmilled Al-7.5Mg, resulting in extrusions with high strength and increased ductility. (C) 2003 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：297 / 302
页数：6
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