Microstructure and properties of Al-6061 alloy by Equal Channel Angular Extrusion for 16 passes

被引：39
|
作者：
Tham, Y. W.
Fu, M. W. [1 ]
Hng, H. H.
Pei, Q. X.
Lim, K. B.
机构：
[1] Hong Kong Polytech Univ, Dept Mech Engn, Kowloon, Hong Kong, Peoples R China
[2] Singapore Inst Manufact Technol, Singapore, Singapore
[3] Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore, Singapore
[4] Inst High Performance Comp, Singapore, Singapore
来源：
MATERIALS AND MANUFACTURING PROCESSES | 2007年 / 22卷 / 7-8期
关键词：
aluminum; 6061; alloy; aluminum alloy; bottom-down approach; bulk materials; bulk nanostructured materials; ECAE process; equal channel angular extrusion; equal channel angular pressing (ECAP); nanostructured processing; severe plastic deformation (SPD); top-down approach; ultra-fine grained (UFG) materials;
D O I：
10.1080/10426910701446754
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The experimental researches on Equal Channel Angular Extrusion (ECAE) process of commercial available Al-6061 alloy were conducted and the grain refinement after ECAE processing was investigated. Sixteen passes of ECAE processing at room temperature were conducted and the relationship of grain refinement with extrusion pass was established. The property enhancements after ECAE processing including ultimate tensile strength and Vickers microhardness were investigated to determine the effects of the number of ECAE passes on the mechanical properties of the extruded samples. The research presents a whole picture of ECAE processing of the alloy for up to 16 passes.
引用
收藏
页码：819 / 824
页数：6
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