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首页> 外文会议>Iron Steel Supplement 2005 vol.40: The Joint International Conference of HSLA Steels 2005 and ISUGS 2005 >A Wear-resistant Study on Plasma Surface Metallurgy Mo-Cr Alloy Layer
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A Wear-resistant Study on Plasma Surface Metallurgy Mo-Cr Alloy Layer

机译：等离子表面冶金Mo-Cr合金层的耐磨性研究

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摘要

According to the plasma surface metallurgical techniques, the alloy elements Mo and Cr were absorbed into low carbon Steel Q235 and alloying layer was formed on the surface first. Then, it was ultra-saturated carburized, quenched and low tempered. The wear properties of the sample were introduced in this article. The results indicated, the depth of coating is over 100um, elements Mo and Cr in the surface alloying layer achieve leave each other 20% and 10%. Then after ultra-saturated carbonization alloyed component is similar to molybdenum high-speed steel (HSS) with surface carburizing 2.0% above. After quenching + low tempering it was found that the hardness of surface alloying is up to 1300HV. The hardness value is higher than that of metallurgy HSS. The abrasion experimental results showed that the sliding friction coefficient of the sample is increased with load and the relative wearing capacity of the sample was more than 1.38 times in comparison with quench GCr15 steel carburized and quenched.
机译：根据等离子表面冶金技术，合金元素Mo和Cr被吸收到低碳钢Q235中，并在表面首先形成合金层。然后，对其进行超饱和渗碳，淬火和低回火。本文介绍了样品的磨损性能。结果表明，镀层深度超过100um，表面合金层中的Mo和Cr元素达到彼此离开20％和10％的程度。然后，超饱和碳化后的合金成分类似于钼高速钢（HSS），表面渗碳达到2.0％以上。淬火+低回火后，发现表面合金化的硬度高达1300HV。硬度值高于冶金HSS。磨耗实验结果表明，与渗碳淬火的GCr15淬火钢相比，试样的滑动摩擦系数随载荷的增加而增大，相对磨损量达到1.38倍以上。

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