High Temperature Lubricating Behavior of NiAl Matrix Composites With Addition of CuO

被引：18

作者：

Zhu, Shengyu ^{[1
]}

Cheng, Jun ^{[1
]}

Qiao, Zhuhui ^{[1
]}

Tian, Yuan ^{[2
]}

Yang, Jun ^{[1
]}

机构：

[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China

[2] Aerosp Res Inst Mat & Proc Technol, Beijing 100076, Peoples R China

来源：

JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME | 2016年 / 138卷 / 03期

基金：

中国国家自然科学基金;

关键词：

intermetallics; high-temperature properties; wear; CRYSTAL-CHEMICAL APPROACH; SLIDING WEAR; MECHANICAL-PROPERTIES; TRIBOLOGICAL PROPERTIES; NANOCOMPOSITE COATINGS; SOLID LUBRICANTS; COPPER-OXIDE; CERAMICS; FRICTION; NICKEL;

D O I：

10.1115/1.4033133

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

High temperature self-lubricating NiAl matrix composites with addition of CuO (15, 20, and 25 wt.%) were fabricated by powder metallurgy technique, and the tribological behavior from room temperature to 1000 degrees C was investigated. It was found that Ni-Cu and Al2O3 phases formed during the fabrication process due to reaction of NiAl and CuO. The tribological results showed that the composite with addition of 25 wt.% CuO has a favorable friction coefficient of about 0.2 and excellent wear resistance with the magnitude of 10(-6) mm(3) N-1 m(-1) at high temperatures (800 and 1000 degrees C).

引用

页数：9

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