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<p>A pin-on-disc tribological test was employed to investigate the self-strengthening effect on the wear performance of a novel Mn8/SS400 bimetal composite. Accelerated wear tests were conducted under normal loads of 20, 60, and 100 N. The results indicate that the increased loads expedite the formation of the hardened layer, augmenting the surface hardness of the Mn8 layer. Once this layer is established, wear rate increment stabilisation occurs, with a 17% reduction observed at 100 N compared to 20 N. The primary strengthening mechanisms primarily involve dislocation and twinning, with no evidence of martensitic transformation or fine grain strengthening. The development of the novel Mn8/SS400 bimetal composites addresses the limited research on high-carbon medium manganese steels. This composite combines the wear resistance of manganese steel with the cost-effectiveness of mild steel, making it suitable for mining applications. By evaluating the self-strengthening mechanisms and durability, the research provides innovative insights into the feasibility of using bimetal materials in mining equipment, addressing the demands for enhanced wear resistance and cost efficiency.</p>

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Study on wear performance of a novel high-carbon medium manganese bimetal composite using in mining facilities

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年4月1日

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  • Jingru Yan,
  • Muyuan Zhou,
  • Afshana Morshed,
  • Hui Wu,
  • Xiaojun Liang,
  • Zhao Xing,
  • Hongbin Li,
  • Yongnian Zhu,
  • Liang Zhao,
  • Wuxiao Gao,
  • Sihai Jiao,
  • Nedelcu Dumitru,
  • Panagiotis Kyratsis,
  • Zhengyi Jiang

摘要

A pin-on-disc tribological test was employed to investigate the self-strengthening effect on the wear performance of a novel Mn8/SS400 bimetal composite. Accelerated wear tests were conducted under normal loads of 20, 60, and 100 N. The results indicate that the increased loads expedite the formation of the hardened layer, augmenting the surface hardness of the Mn8 layer. Once this layer is established, wear rate increment stabilisation occurs, with a 17% reduction observed at 100 N compared to 20 N. The primary strengthening mechanisms primarily involve dislocation and twinning, with no evidence of martensitic transformation or fine grain strengthening. The development of the novel Mn8/SS400 bimetal composites addresses the limited research on high-carbon medium manganese steels. This composite combines the wear resistance of manganese steel with the cost-effectiveness of mild steel, making it suitable for mining applications. By evaluating the self-strengthening mechanisms and durability, the research provides innovative insights into the feasibility of using bimetal materials in mining equipment, addressing the demands for enhanced wear resistance and cost efficiency.