Role of nascent metallic surfaces on the tribochemistry of phosphite lubricant additives

被引：30

作者：

Philippon, D. ^{[1
]}

De Barros-Bouchet, M. -I. ^{[1
]}

Le Mogne, Th. ^{[1
]}

Lerasle, O. ^{[2
]}

Bouffet, A. ^{[2
]}

Martin, J. -M. ^{[1
]}

机构：

[1] Ecole Cent Lyon, UMR LTDS 5513, F-69134 Ecully, France

[2] Ctr Rech Solaize, F-69360 Solaize, France

来源：

TRIBOLOGY INTERNATIONAL | 2011年 / 44卷 / 06期

关键词：

Nascent surface; In situ XPS; Phosphite additives; Environmental tribometer; TOF-SIMS ANALYSIS; GAS-PHASE; FRICTION-SURFACES; UHV TRIBOMETER; CHEMISTRY; ADSORPTION; TRIMETHYLPHOSPHITE;

D O I：

10.1016/j.triboint.2009.12.014

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The role of the nascent surface on the decomposition of phosphite additives has been investigated. An environmentally controlled tribometer was used to conduct tribotest in UHV and gas. Sliding test in UHV was performed to tribo-activate steel surfaces. Adsorption of trimethylphosphite on tribo-activated surface was made to investigate its decomposition on freshly scratched surfaces. In situ XPS analyses have shown that tribofilm of iron phosphide is poorly formed on the tribo-activated surface. This observation confirms that iron phosphide tribofilm is mainly formed under tribological condition. The role of the contact pressure and tribo-emission process is highlighted. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：684 / 691

页数：8

共 7 条

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