Tribological properties of laser surface texturing and molybdenizing duplex-treated stainless steel at elevated temperatures

被引：24

作者：

Li, Jianliang ^{[1
]}

Xiong, Dangsheng ^{[1
]}

Wu, Hongyan ^{[2
]}

Zhang, Yongkang ^{[1
]}

Qin, Yongkun ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Sch Mat Sci & Engn, Nanjing 210094, Jiangsu, Peoples R China

[2] Nanjing Univ Informat & Technol, Coll Math & Phys, Nanjing 210044, Jiangsu, Peoples R China

来源：

SURFACE & COATINGS TECHNOLOGY | 2013年 / 228卷

关键词：

Double glow plasma surface alloying; Laser surface texturing; Wear resistance; high temperature; CARBON-STEEL; FRICTION; WEAR; LUBRICATION; COATINGS;

D O I：

10.1016/j.surfcoat.2012.06.002

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Surface texturing can be used as the storage of solid lubricant. The stainless steel was first laser surface textured and then was molybdenized by double glow plasma alloying technology to improve its tribological properties. The friction and wear properties of texturing and molybdenizing duplex-treated steel from room temperature to 600 degrees C were tested on a ball-on-disk tribometer. The hardness of stainless steel is increased from HV196 to HV480 after molybdenizing. The friction coefficient of textured stainless steel smeared with MoS2 powders decreases from 0.40 to 0.10 at elevated temperature after molybdenizing. The wear rates of texturing and molybdenizing duplex-treated steel are much lower than those of single textured steel at elevated temperatures due to the lubrication of oxides of molybdenum. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：S219 / S223

页数：5

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