The laser hardening technology used for crankshaft is introduced and the investigation on surface hardening of a nodular iron crankshaft was carried out by using a kW CO 2 laser system.
本文介绍了曲轴激光淬火强化技术，采用千瓦级快速轴流式激光器对球铁曲轴进行了激光淬火试验。
The reason for abrasive wear resistance enhancement of bionics smooth surface made by Laser Carving Technology is grain super-refining strengthening, hardening, effect of dowel pin and bionics.
激光雕刻仿生非光滑表面耐磨性提高的原因是：晶粒超细化，硬度提高，桩钉效应和仿生效应。
A new laser surface hardening technology of aluminium alloy was examined in this paper.
研究了一种新的铝合金激光表面强化工艺。
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