ISSN   1004-0595

CN  62-1095/O4

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20^#碳钢表面室温电解渗硫层的减摩性能[J]. 摩擦学学报, 2001, 21(2): 98-101.
引用本文: 20^#碳钢表面室温电解渗硫层的减摩性能[J]. 摩擦学学报, 2001, 21(2): 98-101.
Friction-reduction Behavior of Sulfurized Layer on the Surface of a Carbon Steel Electrolytically Sulphurized at Room Temperature[J]. TRIBOLOGY, 2001, 21(2): 98-101.
Citation: Friction-reduction Behavior of Sulfurized Layer on the Surface of a Carbon Steel Electrolytically Sulphurized at Room Temperature[J]. TRIBOLOGY, 2001, 21(2): 98-101.

20^#碳钢表面室温电解渗硫层的减摩性能

Friction-reduction Behavior of Sulfurized Layer on the Surface of a Carbon Steel Electrolytically Sulphurized at Room Temperature

  • 摘要: 采用MPX-200型摩擦摩损试验机考察了碳氮共渗及室温电解硫化处理后20^#碳钢的摩擦学性能,探讨了在干摩擦条件下载荷、渗硫处理时间和滑动摩擦时间对渗硫层摩擦系数的影响。结果表明:室温电解渗硫层具有明显的减摩作用,并在一定程度上提高了材料表面的抗磨性能。表面层的X射线光电子能谱分析结果表明,其主要成分为硫化铁(FeS)。

     

    Abstract: A mild carbon steel disc was carbon nitrided at high temperature and then sulfurized at room temperature by means of room temperature electrolytic sulphurization. This is aimed at improving the friction reduction and wear resistant behavior of the steel. The friction behavior of the sulfurized layer on the steel surface was investigated on an MPX 200 friction and wear tester, by sliding the sulfurized steel disc against a pin made of a tool steel. The worn surface of the sulfurized steel disc was observed with a scanning electron microscope, while the chemical states and phase structure of carbon nitrided carbon steel and of the sulfurized one were examined by means of X ray photoelectron spectroscopy and X ray diffraction. As the results, the sulfide layer on the carbon steel surface is composed of FeS and functions to reduce friction and wear at relatively low load. The friction reduction and wear resistant behavior of the sulfide layer is greatly dependent on its thickness. Thus special attention should be given to selection of optimized sulfide layer thickness in engineering practice, so as to acquire desired tribological modification effect of the carbon steel.

     

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