Scholarlink

<p>To enhance the wear resistance of mechanical components and extend the service life of equipment parts, laser cladding technology was employed to deposit high-performance composite coatings on component surfaces. Through microstructural observation, phase analysis, microhardness testing, and friction wear testing, the influence of nano-WC content on the microstructure and wear resistance of Ni45 coatings was investigated. Results indicate that increasing nano-WC content progressively refines coating grains, elevates microhardness, and enhances wear resistance. This occurs because nano-WC particles act as nucleating agents, refining coating grains while increasing hardness and promoting wear resistance improvement. Compared to the Ni45 coating, adding 25&#xa0;wt.% nano-WC increased the average microhardness by 27.3% and reduced the average friction coefficient by 10.9%.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Effect of Nano-WC Particles on the Microstructure and Properties of Laser Cladding Nickel-Based Coatings

  • 期刊论文

  • 发表日期：

    2026年1月3日

查看全文
  • Yunfeng Li,
  • Qing Yang,
  • Yan Shi,
  • Dongming Mu,
  • Cong Ni,
  • Jiasheng Wang

摘要

To enhance the wear resistance of mechanical components and extend the service life of equipment parts, laser cladding technology was employed to deposit high-performance composite coatings on component surfaces. Through microstructural observation, phase analysis, microhardness testing, and friction wear testing, the influence of nano-WC content on the microstructure and wear resistance of Ni45 coatings was investigated. Results indicate that increasing nano-WC content progressively refines coating grains, elevates microhardness, and enhances wear resistance. This occurs because nano-WC particles act as nucleating agents, refining coating grains while increasing hardness and promoting wear resistance improvement. Compared to the Ni45 coating, adding 25 wt.% nano-WC increased the average microhardness by 27.3% and reduced the average friction coefficient by 10.9%.