说明镍包石墨涂层可以大大提高钛合金的表面耐磨性能。
It means that nickel-coated graphite layer can greatly improve wear resistance of titanium alloy.
本文研究了U 74钢轨表面激光淬火工艺及其对表面耐磨性能的影响。
Laser quenching of U74 steel and its effect on the wear resistance are studied.
研究了渗稀土激光熔凝复合处理对纯铁表面耐磨性能及微观组织的影响。
This paper studies the effects on pure fe surface and the microstructure using the method of permeating re combined with laser melting modification.
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