Fabrication and mechanical properties of high-performance aluminum alloy

被引：4
|
作者：
Yang, Wei-Wei [1 ]
Guo, Zhi-Meng [1 ]
Cao, Hui-Qin [1 ]
Luo, Ji [1 ]
Ye, An-Ping [1 ]
机构：
[1] Univ Sci & Technol Beijing, Inst Adv Mat & Technol, Beijing 100083, Peoples R China
来源：
RARE METALS | 2014年 / 33卷 / 04期
关键词：
Aluminum alloys; Ball mill; Sintering; Extrusion; Mechanical properties; POWDER-METALLURGY ALLOY; X-RAY PHOTOELECTRON; MG; MAGNESIUM; OXIDES;
D O I：
10.1007/s12598-014-0262-y
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
High-performance Al-Cu-Mg alloy was fabricated by high-energy ball milling, sintering, and hot extrusion. The microstructure and mechanical properties of the material were preliminarily investigated. Results show that the formation of liquid phase during sintering promotes the densification of the aluminum powders. A 97.1 % theoretical density is achieved in this alloy after sintering. The material shows excellent mechanical properties after extrusion and heat treatment. The ultimate tensile strength and yield strength of the extruded samples with heat treatment are 613 and 465 MPa, respectively.
引用
收藏
页码：400 / 403
页数：4
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