Dry sliding wear behavior of Mg-SiC nanocomposites with high volume fractions of reinforcement

被引：36
|
作者：
Zhang, Leigang [1 ,2 ,3 ]
Luo, Xi [1 ,2 ,3 ]
Liu, Jinling [1 ,2 ,3 ]
Leng, Yongxiang [4 ]
An, Linan [5 ]
机构：
[1] Southwest Jiaotong Univ, State Key Lab Tract Power, Chengdu 610031, Sichuan, Peoples R China
[2] Southwest Jiaotong Univ, Sch Mech & Engn, Chengdu 610031, Sichuan, Peoples R China
[3] Southwest Jiaotong Univ, Appl Mech & Struct Safety Key Lab Sichuan Prov, Chengdu 610031, Sichuan, Peoples R China
[4] Southwest Jiaotong Univ, Minist Educ, Key Lab Adv Technol Mat, Chengdu 610031, Sichuan, Peoples R China
[5] Univ Cent Florida, Dept Mat Sci & Engn, Orlando, FL 32816 USA
来源：
MATERIALS LETTERS | 2018年 / 228卷
关键词：
Nanocomposite; Wear and tribology; Mg; SiC; Oxidation; MAGNESIUM; COMPOSITES;
D O I：
10.1016/j.matlet.2018.05.114
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The dry sliding wear behaviors of Mg based nanocomposites were investigated using the ball-on-disk wear tester. The friction coefficient of Mg nanocomposite reinforced with 15 vol% SiC nanoparticles is much higher than pure Mg and AZ31B alloy. Its wear resistance is about 23 times higher than that of pure Mg. Analysis on the surface and debris suggests that the delamination mechanism of Mg has been overcome by the addition of high volume fraction nanoparticles, and the dominant wear mechanism of the Mg-SiC nanocomposites is oxidation. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：112 / 115
页数：4
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