摩擦导致的纯铜表面纳米化研究

航空材料学报, 2011, 31(z1): 127-130. doi: 10.3969/j.issn.1005-5053.2011.z1.028

摩擦导致的纯铜表面纳米化研究

张于胜 ^1, , 董付超 ^2, , 于振涛 ^3, , 白新房 ^4, , 袁思波 ^5, , 许飞 ^6, , 牛金龙 ^7,

1.西北有色金属研究院,西安,710016

2.西北有色金属研究院,西安,710016

3.西北有色金属研究院,西安,710016

4.西北有色金属研究院,西安,710016

5.西北有色金属研究院,西安,710016

6.西北有色金属研究院,西安,710016

7.西北有色金属研究院,西安,710016

基金项目: 国家自然科学基金青年基金(50901062;50871091) 陕西省自然科学基金(2010JQ6010;2010JM6003)

关键词：摩擦 , 表面纳米化 , 铜

Surface Nanocrystalline of Pure Copper Induced by Sliding Friction

提出了一种全新的利用摩擦实现表面纳米化的方法,并在纯铜上得到验证.纯铜经过摩擦处理后,在亚表层形成了200-500μm的变形层.结果表明,变形层深度随载倚升高而增加,但在400 N时接近饱和,这可能与涡流层的产生有关系.显微硬度结果表明,硬度随距表层距离递减,表层晶粒尺寸细化到纳米最级.

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材料期刊网

摩擦导致的纯铜表面纳米化研究

Surface Nanocrystalline of Pure Copper Induced by Sliding Friction

参考文献