EXPERIMENTAL DETERMINATION OF THE HEAT OF ADSORPTION OF MINERAL OILS ON A TWO-DISK TEST RIG

被引：0
|
作者：
Mihamidis, A. [1 ]
Gatsios, S. [1 ]
Salpistis, C. [1 ]
机构：
[1] Aristotle Univ Thessaloniki, Dept Mech Engn, Lab Machine Elements & Machine Design, GR-54006 Thessaloniki, Greece
来源：
JOURNAL OF THE BALKAN TRIBOLOGICAL ASSOCIATION | 2011年 / 17卷 / 04期
关键词：
heat of adsorption; friction coefficient; two-disk test rig; scuffing; scoring; BOUNDARY LUBRICATION; TEMPERATURE; IRON;
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The scuffing behaviour of a Hertzian contact has been found to be strongly affected by the bonds of the lubricant molecules with the metal surface. The lubricant heat of adsorption is a key parameter that prescribes the strength of this physical bonding. Despite its importance, poor measurements are available and only for simple lubricants. In this paper, an experimental method is presented that permits the determination of the heat of adsorption for additive-free mineral oils. It is based on friction coefficient measurements, conducted on a two-disk test rig. The method is initially verified by measuring the heat of adsorption of a simple fluid (n-hexadecane) and then it is used to determine the heat of adsorption of FVA#2 (ISO VG32) mineral oil. Results are presented and discussed.
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页码：574 / 585
页数：12
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