Tribological Properties of Sulphur-Free Antiwear Additives Zinc Dialkylphosphates (ZDPs)

被引:9
|
作者
Hoshino, Koji [1 ]
Yagishita, Kazuhiro [1 ]
Tagawa, Kazuo [1 ]
Spikes, Hugh [2 ]
机构
[1] JX Nippon Oil Energy Corp, Houston, TX 77056 USA
[2] Imperial Coll London, London, England
关键词
D O I
10.4271/2011-32-2132
中图分类号
U [交通运输];
学科分类号
08 ; 0823 ;
摘要
The film-forming, friction, and antiwear properties of zinc dialkylphosphates (ZDPs) were investigated and compared with the corresponding zinc dialkyldithiophosphates (ZDDPs). The primary ZDPs generally show similar friction and antiwear performance to the primary ZDDPs, although some differences are seen between them in film-forming properties. For the secondary ZDP and ZDDP, there are some clear differences in their tribological properties. This indicates that the properties of the primary ZDPs and ZDDPs may be controlled predominantly by adsorbed films consisting the intact additives and/or their decomposition compounds, and that the properties of the secondary ones may be controlled by glassy reaction films consisting zinc/iron polyphosphates.
引用
收藏
页码:504 / 510
页数:7
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