通过铁镍铬钴钼高熵合金氩弧焊堆焊提高 AISI 1050 钢的摩擦学性能

IF 6.1 1区工程技术 Q1 ENGINEERING, MECHANICAL

Tribology International Pub Date : 2024-11-08 DOI:10.1016/j.triboint.2024.110349

Sumit Rana , Lalit Thakur , Navneet Arora

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引用次数: 0

摘要

研究了钨极惰性气体（TIG）焊接沉积在 AISI 1050 钢基体上的高熵合金（HEA）FeNiCrCoMo 堆焊层的摩擦学行为。响应面方法 (RSM) 优化了 TIG 焊接参数。扫描电镜图像显示，堆焊层中没有金属间化合物的迹象，XRD 分析表明，FeNiCrCoMo 最大峰值对应于 BCC+FCC 混合相。由于固溶强化和混合相的存在，堆焊层的显微硬度和滑动耐磨性优于钢基体。扫描电子显微镜和三维轮廓仪图像显示，HEA 堆焊层的磨损表面存在磨损碎屑、沟槽和滑动磨损产生的微切削。

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Tribological performance enhancement of AISI 1050 steel through FeNiCrCoMo high-entropy alloy TIG weld cladding

The tribological behavior of tungsten inert gas (TIG) welded high entropy alloy (HEA) FeNiCrCoMo cladding deposited on AISI 1050 steel substrate was studied. The response surface methodology (RSM) optimized the TIG welding parameters. The SEM images revealed no signs of intermetallic compounds in the cladding, and the XRD analysis showed that the FeNiCrCoMo greatest peak corresponds to the BCC+FCC mixed phase. The microhardness and sliding wear resistance of the cladding were superior compared to the steel substrate owing to the solid solution strengthening and the presence of mixed phase. The worn surfaces of HEA claddings showed the presence of wear debris, grooves and micro-cutting from sliding wear as revealed by the SEM and 3-D profilometry images.

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来源期刊

Tribology International 工程技术-工程：机械

CiteScore

10.10

自引率

16.10%

发文量

627

审稿时长

35 days

期刊介绍： Tribology is the science of rubbing surfaces and contributes to every facet of our everyday life, from live cell friction to engine lubrication and seismology. As such tribology is truly multidisciplinary and this extraordinary breadth of scientific interest is reflected in the scope of Tribology International. Tribology International seeks to publish original research papers of the highest scientific quality to provide an archival resource for scientists from all backgrounds. Written contributions are invited reporting experimental and modelling studies both in established areas of tribology and emerging fields. Scientific topics include the physics or chemistry of tribo-surfaces, bio-tribology, surface engineering and materials, contact mechanics, nano-tribology, lubricants and hydrodynamic lubrication.