Real time durability of tribofilms in the piston ring - cylinder liner contact

被引：16
|
作者：
Spiller, S. [1 ]
Lenauer, C. [1 ]
Wopelka, T. [1 ]
Jech, M. [1 ]
机构：
[1] AC2T Res GmbH, Viktor Kaplan Str 2, A-2700 Wiener Neustadt, Austria
来源：
TRIBOLOGY INTERNATIONAL | 2017年 / 113卷
关键词：
XPS; Radioactive isotope wear measurement; Tribofilm; ZDDP; RAY-ABSORPTION-SPECTROSCOPY; ANTIWEAR FILMS; ENGINE OILS; PART; CHEMICAL-CHARACTERIZATION; ADDITIVE INTERACTIONS; WEAR; ZDDP; MECHANISM; THICKNESS;
D O I：
10.1016/j.triboint.2016.12.002
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In boundary lubrication, the ability to form protective tribofilms determines the effectiveness of lubricants regarding friction and wear. In order to be able to control tribofilm formation, even if additives have to be reduced due to environmental regulations, the dynamics of the tribofilrn protection of surfaces are investigated. This study investigates the durability of the tribofilm formed on the cylinder liner piston ring contact and the corresponding wear protection capability in real time. To accomplish this, additivated engine oil was replaced by a non-additivated oil during test runs, after the steady-state wear rate had been reached. For the analysis of the tribofilm durability, the chemical composition of worn surfaces is compared to the dynamic wear and friction behavior.
引用
收藏
页码：92 / 100
页数：9
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