Effects of Friction Load and Ultrasonic Vibration on The Tribological Properties of Al2O3/Al2O3 Ceramic Friction Pairs under Liquid Paraffin Lubrication

被引：0

作者：

Dong Xinyu ^{[1
]}

Qiao Yulin ^{[1
]}

Zang Yan ^{[1
]}

Cui Qingsheng ^{[1
]}

机构：

[1] Acad Armored Force Engn, Natl Key Lab Remfg, Beijing 100072, Peoples R China

来源：

ADVANCES IN MATERIALS AND MATERIALS PROCESSING, PTS 1-3 | 2013年 / 652-654卷

关键词：

ultrasonic vibration; friction reduction and anti-wear; friction load; liquid paraffin lubrication;

D O I：

10.4028/www.scientific.net/AMR.652-654.1881

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effects of friction load and ultrasonic vibration on friction reduction and anti-wear properties of Al2O3/Al2O3 ceramic frictional pairs under oil lubrication were investigated by a modified MFT-R4000 reciprocating friction and wear tester. The mechanism of friction reduction and anti-wear under ultrasonic vibration was discussed. The results showed that, the ultrasonic vibration could influence the friction reduction and anti-wear properties of Al2O3/Al2O3 ceramic friction pairs due to it could reduce the stress between the friction pairs and destroy the oil film on the surface of samples. When the friction frequency was 2Hz, the ultrasonic vibration could reduce the friction coefficient within experiment load range. When the loads were 70N, 80N, 90N and 100N, the average friction coefficient were reduced by 16.1%, 14.5%, 9.7% and 2.6%,and wear volume of frictional pairs decreased 35%, 32%, 31% and 12%.

引用

页码：1881 / 1885

页数：5

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