Tribological properties of tribofilms formed from ZDDP in DLC/DLC and DLC/steel contacts

被引：106
|
作者：
Vengudusamy, Balasubramaniam [1 ]
Green, Jonathan H. [2 ]
Lamb, Gordon D. [2 ]
Spikes, Hugh A. [1 ]
机构：
[1] Univ London Imperial Coll Sci Technol & Med, Dept Mech Engn, Tribol Grp, London SW7 2AZ, England
[2] Castrol Ltd, Reading RG8 7QR, Berks, England
来源：
TRIBOLOGY INTERNATIONAL | 2011年 / 44卷 / 02期
基金：
英国工程与自然科学研究理事会;
关键词：
DLC coatings; ZDDP; Tribofilm; AFM; DIAMOND-LIKE-CARBON; METAL-DOPED TI; OIL ADDITIVES; COATINGS; MECHANISMS; BEHAVIOR; STEEL; WC;
D O I：
10.1016/j.triboint.2010.10.023
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Diamond-like carbon coatings (DLCs) are considered to hold great promise for improvement in friction and wear resistance of engine parts. It is hence interesting to know whether conventional engine oil additives such as ZDDP can form tribofilms and reduce friction and wear in DLC contacts as effectively as they do in steel on steel contacts. This paper compares the behaviour with ZDDP of six different DLC coatings. It is seen that ta-C gives lower boundary friction than the other types while a-C:H gives better wear prevention. A ZDDP-derived tribofilm forms on all DLCs but a pad-like structure is seen only on W-DLC in DLC/DLC tribopairs. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：165 / 174
页数：10
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