表面纳米化对低碳钢摩擦磨损性能的影响

金属学报, 2001, 37(12): 1251-1255. doi: 10.3321/j.issn:0412-1961.2001.12.005

表面纳米化对低碳钢摩擦磨损性能的影响

王镇波 ^1, , 雍兴平 ^2, , 陶乃殚 ^3, , 李曙 ^4, , 刘刚 ^5, , 吕坚 ^6, , 卢柯 ^7,

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基金项目: 中国科学院知识创新工程项目国家自然科学基金(50071061)

关键词：低碳钢 , 表面机械研磨 , 表面纳米化 , 摩擦磨损

THE IMPROVEMENT OF FRICTION AND WEAR PROPERTIES OF LOW CARBON STEEL BY MEANS OF SURFACE NANOCRYSTALLIZATION

用表面机械研磨对低碳钢板材进行表面处理,经X射线衍射及透射电镜分析表明,处理后的样品上已形成了纳米结构表层.用往复式摩擦实验机研究了处理后样品的摩擦磨损性.结果表明其摩擦系数较未处理样品明显降低,其磨损量在低载荷及中等载荷作用下也较未处理样品降低.磨痕形貌的扫描电镜观察表明,表面纳米化能减弱低碳钢的疲劳磨损效应,提高材料的摩擦磨损性能.

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