A study of tribological behaviour of W-Co and Cu electro-spark alloyed layers under lubricated sliding conditions

被引：8
作者：
Kreivaitis, Raimondas [1 ]
Zunda, Audrius [1 ]
Kupcinskas, Arturas [1 ]
Jankauskas, Vytenis [1 ]
机构：
[1] Aleksandras Stulginskis Univ, Studentu 15, LT-53361 Akademija, Kauno R, Lithuania
来源：
TRIBOLOGY INTERNATIONAL | 2016年 / 103卷
关键词：
Lubricated; Sliding; Boundary; Roughness; FRICTION; DEPOSITION; COATINGS; SURFACE;
D O I：
10.1016/j.triboint.2016.07.010
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Electro-spark-alloying was used to enhance tribological properties of carbon steel surfaces. Two different materials - copper and W-Co were used for alloying. Surfaces were compared according to topography, mechanical and tribological properties. The properties of alloyed surfaces were compared with untreated steel surface. Results show that electro-spark-alloyed surfaces have high roughness which must be reduced during grinding or polishing. The alloyed surfaces possess better tribological properties in comparison to untreated steel surface. The W-Co alloyed surface shoved the best tribological properties. The surface after the test has almost no wear and its steady state friction was about 30% smaller. Alloying with copper reduced wear more than two times, however its run-in friction is unacceptable. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：236 / 242
页数：7
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