Enhanced DLC Wear Performance by the Presence of Lubricant Additives

被引：14

作者：

de Castro Costa, Romina Paula ^{[1
]}

Marciano, Fernando Roberta ^{[1
,2
]}

Lima Oliveira, Deiler Antonio ^{[1
]}

Trava-Airoldi, Vladimir Jesus ^{[1
]}

机构：

[1] Inst Nacl Pesquisas Espaciais INPE, Sao Jose Dos Campos, SP, Brazil

[2] Univ Vale Paraiba UNIVAP, Sao Jose Dos Campos, SP, Brazil

来源：

MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS | 2011年 / 14卷 / 02期

基金：

巴西圣保罗研究基金会;

关键词：

DLC; MoDTC; ZDDP; friction; DIAMOND-LIKE; TRIBOLOGICAL MATERIALS; COATINGS; OIL; MECHANISMS; HYDROGEN; FRICTION; BEHAVIOR; CONTACTS; ALLOY;

D O I：

10.1590/S1516-14392011005000023

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Lubricant additives play significant role for reducing friction and wear of mechanical elements. The additives presented in 5W30 oil were developed for metal surfaces. However, they have been used in engine pieces covered with DLC coatings because they also offer the potential to reduce friction losses and wear in automotive applications. The friction and wear tests were carried out by using a UMT-CETR ball-on-disk tribometer in rotational mode under 5W30 synthetic oil at 100 degrees C. The X-ray photoelectron spectroscopy (XPS) showed the presence of Mo and S in the wear tracks. These elements are from decomposition of ZDDP and MoDTC additives producing MoS2 in DLC surface, which offers enhanced durability by low wear rate.

引用

页码：222 / 226

页数：5

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