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首页> 外文会议>Annual Meeting Exhibition of The Minerals, Metals Materials Society >Experimental Study on the Laser Cladding of T15 Coating for 42CrMo Steel
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Experimental Study on the Laser Cladding of T15 Coating for 42CrMo Steel

机译：42Crmo钢T15涂层激光熔覆的实验研究

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摘要

42CrMo steel is a kind of medium carbon steel mainly used for manufacturing heavy-duty transmission parts. Laser cladding is an advanced surface technology, and it can be applied to improve wear and fatigue resistance properties by getting a high surface hardness. In this paper, pulse laser cladding experiments were conducted on a 42CrMo surface with the powder of T15 high-speed steel. The microstructures of the cladding layer were observed by optical microscopy (OM) and scanning electron microscopy (SEM). The hardness gradient of a section was tested. The hardness of surface and substrate is 747 and 195 HV. After dry friction and wear testing, the average friction coefficient of the outer layer is 0.448.
机译：42Crmo钢是一种主要用于制造重型传动部件的中型碳钢。激光包层是一种先进的表面技术，可以通过获得高表面硬度来改善磨损和疲劳性能。本文用T15高速钢的粉末在42crmo表面上进行脉冲激光覆层实验。通过光学显微镜（OM）和扫描电子显微镜（SEM）观察包层层的微观结构。测试部分的硬度梯度。表面和衬底的硬度为747和195HV。干摩擦和磨损试验后，外层的平均摩擦系数为0.448。

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