Tribological behaviour of Si3N4-based nanocomposites

被引：16
|
作者：
Zgalat-Lozynskyy, O. [1 ]
Varchenko, V. [1 ]
Tischenko, N. [1 ]
Ragulya, A. [1 ]
Andrzejczuk, M. [2 ]
Polotai, A. [3 ]
机构：
[1] IPMS, UA-03680 Kiev, Ukraine
[2] WUT, PL-02507 Warsaw, Poland
[3] MRA Labs Inc, Adams, MA 01220 USA
来源：
TRIBOLOGY INTERNATIONAL | 2015年 / 91卷
关键词：
Wear; TiN; Si3N4; Nanocomposites; WEAR PROPERTIES; FRICTION;
D O I：
10.1016/j.triboint.2015.06.027
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A comprehensive study was performed to evaluate tribological performances of newly developed Si3N4-based nanocomposites enhanced by either Si3N4 nanowhiskers or TiN nanoparticles and consolidated via a Rate Controlled Sintering technique. A wear resistance of Si3N4-based nanocomposites was studied under dry sliding conditions using bearing steel, hard alloy, and Si3N4-based nanocomposites counterparts. The Si3N4-TiN nanocomposites exhibited low sliding friction coefficient <035 with hard alloy and <0.25 with Si3N4-based nanocomposite. A specific wear rate for the investigated nanocomposites was estimated to be in the range from 2.10(-7) mm(3)/N m to 5.10(-8) mm(3)/N m. A chemical resistance of the Si3N4-TIN nanocomposite was investigated in aggressive mediums, such as acids and bases at elevated temperatures. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：85 / 93
页数：9
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