A comparative study on the tribological behaviors of nitrided and sulfur-nitrided 35CrMo steel lubricated in PAO base oil with MoDTC additive

被引：43

作者：

Yue, Wen ^{[1
]}

Sun, Xuejie ^{[2
]}

Wang, Chengbiao ^{[1
]}

Fu, Zhiqiang ^{[1
]}

Liu, Yuandong ^{[3
]}

Liu, Jiajun ^{[4
]}

机构：

[1] China Univ Geosci, Sch Engn & Technol, Beijing 100083, Peoples R China

[2] Beijing Foton Cummins Engine Co Ltd, Beijing 102206, Peoples R China

[3] Sinopec Lubricant Co, Beijing 100085, Peoples R China

[4] Tsinghua Univ, Dept Mech Engn, Beijing 100084, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2011年 / 44卷 / 12期

基金：

中国国家自然科学基金;

关键词：

Nitrided surface; Sulfur-nitrided surface; MoDTC additive; Tribological behavior; MOLYBDENUM DITHIOCARBAMATE; SULFIDE LAYERS; FRICTION; WEAR; REDUCTION;

D O I：

10.1016/j.triboint.2011.08.017

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

A nitrided layer on 35CrMo steel was prepared by the ion nitriding process, and then a sulfur-nitrided layer was obtained by low temperature ion sulfuration. The results showed that both the nitrided and sulfur-nitrided surfaces improved the wear resistance efficiently under PAO lubrication, and exhibited the best wear resistance and friction-reducing property under PAD with 0.75% MoDTC lubrication. Compared with the plain and nitrided surfaces, the sulfur-nitrided surface exhibited the best synergistic effect with MoDTC displaying the lowest friction coefficient and wear volume. The mechanism of the best effect was due to MoS(2) and FeS formed on the sulfur-nitrided surface. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：2029 / 2034

页数：6

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