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首页> 外文会议>National Lubricating Grease Institute 2006 Annual Meeting; 20061029-31; Lake Buena Vista,FL(US) >EP ADDITIVE RESPONSE AND TRIBOCHEMICAL FILM FORMATION IN LITHIUM AND LITHIUM COMPLEX GREASE
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EP ADDITIVE RESPONSE AND TRIBOCHEMICAL FILM FORMATION IN LITHIUM AND LITHIUM COMPLEX GREASE

机译：锂和锂复合脂中的EP附加反应和摩擦化学膜形成

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摘要

Extreme pressure (EP) tests, such as the D2509 Timken EP and the D2596 4-Ball EP, are commonly used to evaluate load-carrying properties and grease performance. Zinc dialkyldithiophosphate (ZDTP), sulfur extreme pressure agent (S-EP), and antimony dialkyldithiocarbamate compounds represent traditional antiwear (AW) and EP agents formulated into greases to provide the necessary protection under boundary lubrication conditions. Previous work compared surface chemistry of tribochemical films formed by simple lithium greases formulated with these additives using surface analytical techniques such as X-ray photoelectron spectroscopy (XPS) and scanning Auger microscopy (SAM). This paper focuses on evaluating and comparing additive performance in both simple lithium and lithium complex greases and aims to explain differences in load response and film formation. Test parts from the D2509 Timken were run and analyzed to study films obtained with different grease-additive combinations using XPS. This information will help improve the understanding of films formed by interactions of greases, additives and surfaces.
机译：极限压力（EP）测试，例如D2509铁姆肯EP和D2596 4-Ball EP，通常用于评估承载性能和润滑脂性能。二烷基二硫代磷酸锌（ZDTP），硫极压剂（S-EP）和二烷基二硫代氨基甲酸锑化合物代表传统的抗磨（AW）和EP剂，配制成润滑脂以在边界润滑条件下提供必要的保护。以前的工作使用表面分析技术（例如X射线光电子能谱（XPS）和扫描俄歇显微镜（SAM））比较了由简单的锂润滑脂与这些添加剂配制而成的摩擦化学膜的表面化学性能。本文着重于评估和比较简单锂和复杂锂基润滑脂中的添加剂性能，并解释载荷响应和成膜方面的差异。运行并分析了D2509铁姆肯公司的测试零件，以研究使用XPS用不同油脂添加剂组合获得的薄膜。这些信息将有助于增进对由油脂，添加剂和表面相互作用形成的薄膜的理解。

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