张保森,许一,徐滨士,高飞,史佩京,吴毅雄

• 1:上海交通大学上海市激光制造与材料改性重点实验室
• 2:装备再制造技术国防科技重点实验室

摘要(Abstract)：

制备了一种用于原位摩擦化学处理技术的天然矿物微粉摩擦处理剂。采用环-块摩擦磨损试验机对其在柴油机油中的添加量进行了优化,研究了其在45钢表面的原位摩擦化学反应膜的形成过程及力学性能,探讨了形成机理。结果表明:处理剂含量为0.5 wt%时对45钢表面具有较好的优化效果,其摩擦因数和质量磨损率分别较基础油降低约19.7%和71.8%。摩擦处理表面较为光滑平整,形成了由铁的氧化物、铁镁硅酸盐及含碳化合物构成的摩擦化学反应膜,且随着时间的增加逐步由疏松多孔趋于致密连续,具有较高的力学性能,显著提高了45钢的表面强度及磨损抗力。

关键词(KeyWords)： 矿物粉体;蛇纹石;化学反应膜;力学性能

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(50904072,50735006,50805146);; 国家”973”项目(2007CB607601);; 博士后基金(20090461452)

作者(Author): 张保森,许一,徐滨士,高飞,史佩京,吴毅雄

DOI: 10.13289/j.issn.1009-6264.2011.01.017

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