| 十二烷和硬脂酸的摩擦化学 |
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| 引用本文： | 黄伟九,谭援强.十二烷和硬脂酸的摩擦化学[J].中国有色金属学报,1999,9(3):636-640. |
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| 作者姓名： | 黄伟九 谭援强 |
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| 作者单位： | 中南工业大学机电工程学院!长沙410083(黄伟九，周亚军，谭建平，钟掘)，湘潭大学机械工程学院!湘潭411105(谭援强) |
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| 基金项目： | 国家自然科学基金，国家教委博士点基金 |
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| 摘 要： | 运用摩擦学实验和红外光谱分析相结合的方法， 考察了十二烷和硬脂酸在摩擦过程中发生的化学变化。分析结果表明： 在室温下， 静态的十二烷和硬脂酸均不与铝（ 或氧化铝） 发生化学反应； 在摩擦过程中， 十二烷和硬脂酸均发生了化学反应， 十二烷氧化生成了醇或过氧化物， 硬脂酸与铝（ 或氧化铝） 反应生成了交联结构的硬脂酸铝； 虽然反应物和摩擦反应产物均以物理吸附的方式吸附于金属表面， 但摩擦化学反应产物无论是在金属表面的吸附强度还是在减摩性能上均好于反应物， 说明通过发生摩擦化学反应， 润滑油的减摩性能得到了提高。
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| 关 键 词： | 十二烷 硬脂酸 摩擦化学 |
Tribochemical changes of dodecane and stearic acid |
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| Huang Weijiu ,Tan Yuanqiang ,Zhou Yajun ,Tan Jianping ,Zhong Jue . College of Mechanical and Electrical Engineering,Central South University of Technology,Changsha ,P.R.China . College of Mechanical Engineering,Xiangt.Tribochemical changes of dodecane and stearic acid[J].The Chinese Journal of Nonferrous Metals,1999,9(3):636-640. |
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| Authors: | Huang Weijiu Tan Yuanqiang Zhou Yajun Tan Jianping Zhong Jue College of Mechanical and Electrical Engineering Central South University of Technology Changsha PRChina College of Mechanical Engineering Xiangt |
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| Affiliation: | Huang Weijiu 1,Tan Yuanqiang 2,Zhou Yajun 1,Tan Jianping 1,Zhong Jue 1 1. College of Mechanical and Electrical Engineering,Central South University of Technology,Changsha 410083,P.R.China 2. College of Mechanical Engineering,Xiangt |
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| Abstract: | The tribochemical changes of dodecane and stearic acid in the course of friction was studied through tribology experiments and infrared spectra analysis. The results showed that dodecane and stearic acid don't react with aluminum (or aluminum oxide) at static state and environment temperature. During the rubbing process, alcohol or peroxide is formed by the oxide reaction of dodecane, and aluminum stearate with intermolecular crosslinked structure is formed by tribochemical reaction between stearic acid and aluminum (or aluminum oxide). Although the reagents and tribochemical reaction products adsorb on the rubbing surface in the pattern of physics adsorption, the tribochemical reaction products have larger adsorption strength and better tribological performance than reagents. These indicated that the tribological performances of lubricant has been improved by means of taking tribochemical reactions. |
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| Keywords: | dodecane stearic acid tribochemical reaction |
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