粉末冶金法制备铬镍合金热处理前后的摩擦磨损性能

机械工程材料, 2013, 37(5): 85-87.

1.内蒙古民族大学机械工程学院,通辽028043

2.清华大学航天航空学院,北京100084

3.清华大学航天航空学院,北京100084

Friction and Wear Properties of a Cr-Ni Alloy Prepared by Powder Metallurgy before and after Heat Treatment

用粉末冶金工艺(25MPa冷静压成型,1 200℃烧结20 min)制备了一种铬镍合金,然后对其进行热处理(1 259℃×1 h+1 080℃×1h炉冷),对热处理前后合金的摩擦磨损性能进行了研究.结果表明:热处理能够显著提高合金的摩擦磨损性能,降低摩擦因数对温度的敏感性.

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