Wear Behaviour of Al-1050 Alloy Processed by Severe Plastic Deformation

被引：18
|
作者：
Wang, Chuan Ting [1 ]
Gao, Nong [1 ]
Wood, Robert J. K. [2 ]
Langdon, Terence G. [1 ,3 ,4 ]
机构：
[1] Univ Southampton, Sch Engn Sci, Mat Res Grp, Southampton SO17 1BJ, Hants, England
[2] Univ Southampton, Sch Engn Sci, Natl Ctr Adv Tribol, Southampton SO17 1BJ, Hants, England
[3] Univ So Calif, Dept Aerosp & Mech Engn, Los Angeles, CA 90089 USA
[4] Univ So Calif, Dept Mat Sci, Los Angeles, CA 90089 USA
来源：
NANOMATERIALS BY SEVERE PLASTIC DEFORMATION: NANOSPD5, PTS 1 AND 2 | 2011年 / 667-669卷
基金：
英国工程与自然科学研究理事会;
关键词：
Al-1050; ECAP; HPT; wear; wear map; work hardening capacity; HIGH-PRESSURE TORSION;
D O I：
10.4028/www.scientific.net/MSF.667-669.1101
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
An Al-1050 alloy was processed by ECAP and HPT, respectively. Dry sliding wear tests were conducted on the as-received and SPD-processed samples under various sliding conditions. A comparison of wear rate indicated that SPD processing decreased the wear resistance. Two main wear mechanisms were observed. The initial wear stage was dominated by severe platelet wear mechanism and later wear was dominated by an oxidation wear mechanism. The results show the severe wear stage of SPD-processed Al-1050 is much longer than that of the as-received Al-1050, which is attributed to the loss of work hardening capacity after SPD processing.
引用
收藏
页码：1101 / +
页数：2
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