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<p>Additive manufacturing Fe-Mn-Si-Cr-Ni alloys exhibit promising potential to replace traditional Cr-Ni stainless steels in applications requiring corrosion resistance and wear resistance. In this work, five types of Fe-17Mn-6Si-9Cr-5Ni alloys with varying B content (0-0.5&#xa0;wt.%) were fabricated via laser metal deposition, and their wear resistance under oil-lubricated conditions was investigated. Results showed that the alloy with 0.5&#xa0;wt.% B addition possesses the best wear resistance, which volumetric wear rate reduced to 19.4% of that of the B-free alloy. The analysis revealed that the enhancement of wear resistance in additive manufacturing Fe-Mn-Si-Cr-Ni alloys due to B addition is not only attributed to increased hardness, but also extends to the promotion of friction-reducing and anti-wear characteristics inherent to Fe-Mn-Si-Cr-Ni alloys.</p>

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Effect of B Addition on Wear Resistance of Fe-Mn-Si-Cr-Ni Alloys Fabricated by Additive Manufacturing

  • 期刊论文

  • 发表日期：

    2025年11月28日

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  • Ruijun Gao,
  • Chongchao Sun,
  • Laidong Song,
  • Xiaoqin Yin,
  • Hongyu Wang

摘要

Additive manufacturing Fe-Mn-Si-Cr-Ni alloys exhibit promising potential to replace traditional Cr-Ni stainless steels in applications requiring corrosion resistance and wear resistance. In this work, five types of Fe-17Mn-6Si-9Cr-5Ni alloys with varying B content (0-0.5 wt.%) were fabricated via laser metal deposition, and their wear resistance under oil-lubricated conditions was investigated. Results showed that the alloy with 0.5 wt.% B addition possesses the best wear resistance, which volumetric wear rate reduced to 19.4% of that of the B-free alloy. The analysis revealed that the enhancement of wear resistance in additive manufacturing Fe-Mn-Si-Cr-Ni alloys due to B addition is not only attributed to increased hardness, but also extends to the promotion of friction-reducing and anti-wear characteristics inherent to Fe-Mn-Si-Cr-Ni alloys.