南峰,许一,高飞,徐滨士,吴毅雄,唐新华

• 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:装甲兵工程学院装备再制造技术国防科技重点实验室

摘要(Abstract)：

研究了凹凸棒石热处理产物作为润滑油添加剂对钢-钢摩擦副的减摩抗磨性能。结果表明:凹凸棒石经700℃热处理后,生成少量SiO2;900℃热处理后,凹凸棒石分解生成MgSiO3和SiO2,但粉体形貌均未发生变化。通过摩擦化学作用,凹凸棒石能够促使磨损表面生成光滑平整的修复层,从而显著改善润滑油的减摩抗磨性。热处理后,凹凸棒石的减摩性得到提高,这得益于生成的硬质颗粒的"微轴承"作用,而这些硬质相造成的磨粒磨损加重了磨损。

关键词(KeyWords)： 凹凸棒石;热处理;摩擦学性能;修复层

Abstract:

Keywords:

基金项目(Foundation): 国家重点基础研究发展规划项目(2011CB013405);; 国家自然科学基金青年科学基金项目(50904072,50805146,51005243);; 中国博士后科学基金面上项目(20090461452);中国博士后科学基金特别资助(201003796)

作者(Author): 南峰,许一,高飞,徐滨士,吴毅雄,唐新华

DOI: 10.13289/j.issn.1009-6264.2014.02.001

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