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The surface-textured CoCrFeNiMo high-entropy alloy cladding was ion-sulfurized. The microstructure and composition were analyzed, and the friction properties were tested. The findings indicate that sulfide MoS2 production and concentration rise are facilitated by surface roughness. The elements are evenly distributed, with villous morphology and increased thickness. Because MoS2 film and surface texture work together harmoniously, wear debris is gathered by the surface texture, and MoS2 is collected and released in it. Compared to the original ion sulfurizing layer, which shows a more noticeable improvement at high reciprocating frequencies, the surface-textured ion sulfurizing layer has an extended service life and a decreased friction coefficient.

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Characterization and Friction-Reduction Performances of Surface Textured and Sulfurized CoCrFeNiMo High Entropy Alloy Composite Coating

  • 会议论文

  • 发表日期：

    2026年

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  • Peng Yang,
  • Bin Han,
  • Chunyang Hu,
  • Qin Wang

摘要

The surface-textured CoCrFeNiMo high-entropy alloy cladding was ion-sulfurized. The microstructure and composition were analyzed, and the friction properties were tested. The findings indicate that sulfide MoS2 production and concentration rise are facilitated by surface roughness. The elements are evenly distributed, with villous morphology and increased thickness. Because MoS2 film and surface texture work together harmoniously, wear debris is gathered by the surface texture, and MoS2 is collected and released in it. Compared to the original ion sulfurizing layer, which shows a more noticeable improvement at high reciprocating frequencies, the surface-textured ion sulfurizing layer has an extended service life and a decreased friction coefficient.