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<p>This study investigates the enhancement of EN8 steel’s wear resistance through AISI316 cladding and its reinforcement with 5 wt.% titanium carbide (TiC) using the wire arc additive manufacturing-cold metal transfer (WAAM-CMT) process. The TiC addition significantly improved microhardness and grain refinement, as confirmed via scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDS). These microstructural advancements correlate with a notable reduction in material loss under abrasive conditions. The TiC-reinforced composite (AST5) exhibited a lower wear rate in dry sliding and slurry abrasion tests as compared to uncoated EN8 steel. These findings endorse TiC-reinforced AISI316 as a promising surface engineering solution for high-wear agricultural applications.</p>

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Enhancement of wear resistance of EN8 steel via AISI316 cladding with titanium carbide reinforcement using wire arc additive manufacturing

  • 期刊论文

  • 发表日期：

    2026年3月10日

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  • Ranbir Singh Rooprai,
  • Vikrant Singh,
  • Jagtar Singh,
  • Anuj Bansal,
  • Anil Kumar Singla

摘要

This study investigates the enhancement of EN8 steel’s wear resistance through AISI316 cladding and its reinforcement with 5 wt.% titanium carbide (TiC) using the wire arc additive manufacturing-cold metal transfer (WAAM-CMT) process. The TiC addition significantly improved microhardness and grain refinement, as confirmed via scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDS). These microstructural advancements correlate with a notable reduction in material loss under abrasive conditions. The TiC-reinforced composite (AST5) exhibited a lower wear rate in dry sliding and slurry abrasion tests as compared to uncoated EN8 steel. These findings endorse TiC-reinforced AISI316 as a promising surface engineering solution for high-wear agricultural applications.