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Characterization and friction-reduction performances of composite coating produced by laser cladding and ion sulfurizing

机译：激光熔覆与离子硫化复合涂层的表征及减摩性能

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摘要

The microstructure and friction-reducing performance of a novel composite coating produced by laser cladding and ion sulfurization was investigated in this paper. It can be seen that a micro-nano sulfide solid lubrication film of about 3-4 mu m thickness was successfully prepared on the surface of Ni-based alloy deposited coating. The surfaces of sulfurizing layers are loose and uneven, and the sulfurizing layers are well bonded with the laser cladding layer. The result of friction and wear test indicates that the friction coefficient and wear loss of sulfurizing composite coating decrease apparently under dry and oil lubrication condition. The sulfurizing layer of FeS and WS2 phase on the hard Ni-based alloy layer played an important, beneficial role for improving the friction-reducing performance of laser cladding coating. (C) 2015 Elsevier B.V. All rights reserved.
机译：研究了激光熔覆和离子硫化制备的新型复合涂层的微观结构和降低摩擦性能。可以看出，在Ni基合金沉积涂层的表面上成功制备了厚度约3-4μm的微纳米硫化物固体润滑膜。硫化层的表面疏松且不平坦，并且硫化层与激光熔覆层良好地结合。摩擦磨损试验结果表明，在干，油润滑条件下，硫化复合涂层的摩擦系数和磨损损失明显降低。坚硬的镍基合金层上的FeS和WS2相的硫化层对于改善激光熔覆涂层的降低摩擦性能起着重要的有益作用。 （C）2015 Elsevier B.V.保留所有权利。

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  • 来源
    《Materials Letters》 |2015年第1期|35-38|共4页
  • 作者

    Han Bin; Zhang Mengke; Qi Conghua; Cui Na; Wang Yong;

  • 作者单位

    China Univ Petr, Coll Mech & Elect Engn, Qingdao 266580, Peoples R China;

    China Univ Petr, Coll Mech & Elect Engn, Qingdao 266580, Peoples R China;

    China Univ Petr, Coll Mech & Elect Engn, Qingdao 266580, Peoples R China;

    China Univ Petr, Coll Mech & Elect Engn, Qingdao 266580, Peoples R China;

    China Univ Petr, Coll Mech & Elect Engn, Qingdao 266580, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Laser cladding; Ion sulfurizing; Ni-based alloy; Sulfide; Solid lubrication; Wear and tribology;

    机译：激光熔覆;离子硫化;镍基合金;硫化物;固体润滑;磨损与摩擦学;

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