Tribological properties of Cu-based composites and in situ synthesis of TiN/TiB2

被引：21

作者：

Chen, Baiming ^{[1
,2
,4
]}

Bi, Qinling ^{[1
]}

Yang, Jun ^{[1
]}

Xia, Yanqiu ^{[1
]}

Hao, Jingcheng ^{[1
,3
]}

机构：

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

[2] Lanzhou Polytech Coll, Dept Traff Engn, Lanzhou 730050, Peoples R China

[3] Shandong Univ, Minist Educ, Key Lab Colloid & Interface Chem, Jinan 250100, Peoples R China

[4] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2008年 / 491卷 / 1-2期

关键词：

Cu-based P/M friction composites; in situ synthesis; h-BN; TiB2/TiN;

D O I：

10.1016/j.msea.2008.02.045

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Tribological properties of Cu-based P/M friction composites using h-BN as solid lubricants containing 3.0, 6.0, and 10.0 wt% Ti were investigated. Structures of Cu-based composites were characterized by X-ray diffraction (XRD) and tribological tests were carried out on a block-on-ring tester. XRD results show that TiB2 and TiN were in situ synthesized. The composite containing 3.0% Ti is the low hardness and much higher wear rates for low content of in situ synthesized TiB2 and TiN. The Cu-composite containing 6.0% Ti is appropriate hardness, plasticity, and relatively low wear rates. The Cu-based composite containing 10.0 wt% is the highest hardness and show the deteriorate wear rate for its high brittleness with the increase amounts of in situ synthesized TiN and TiB2. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：315 / 320

页数：6

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