Effect of Counterbody on Friction and Wear Properties of Copper-MgP-Graphite Composites Prepared by Powder Metallurgy

被引：5

作者：

Li, Ruoxuan ^{[1
]}

Yamashita, Seiji ^{[1
]}

Yoshida, Katsumi ^{[2
]}

Kita, Hideki ^{[1
]}

机构：

[1] Nagoya Univ, Grad Sch Engn, Dept Mat Proc Engn, Chikusa Ku, Nagoya, Aichi 4648603, Japan

[2] Tokyo Inst Technol, Inst Innovat Res, Lab Zero Carbon Energy, Meguro Ku, 2-12-1 Ookayama, Tokyo 1528550, Japan

来源：

PROCESSES | 2022年 / 10卷 / 05期

关键词：

graphite; Magnesium Phosphate; sliding wear; copper-matrix composite; friction; wear; counterbody; BEHAVIORS; PARTICLES; BRUSHES; ALUMINA; ALLOY;

D O I：

10.3390/pr10050804

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The purpose of this study was to investigate the influence of different counterbodies against Cu/magnesium phosphate treated graphite (Cu-MgPG) composite materials to find the best material combination in terms of friction coefficient and specific wear amount. A Cu matrix composite reinforced with 10 vol% magnesium phosphate treated graphite and pure Cu powder were prepared by powder metallurgy techniques under the same consolidation processing condition. The friction and wear properties of the composites were investigated at 10 N using a pin-on-disc tribometer on Al2O3, SiC and SUJ2 bearing steel counterbodies. The Cu-MgPG/Al2O3 pair showed the lowest friction coefficient, but the specific wear rate tended to increase slightly when compared with Cu/Al2O3 pair. On the other hands, the Cu-MgPG/SUJ2 pair showed about the same specific wear rate as the Cu/SUJ2 pair, but the friction coefficient was significantly reduced. These phenomena are thought to be due to the fact that the added graphite acts as a solid lubricant during sliding and also suppresses the oxidation behavior of the sliding material.

引用

页数：12

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