Journal of Powder Materials (한국분말재료학회지)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Tribological Behavior Analysis of WC-Ni-Cr + Cr3C2 and WC-Ni-Cr + YSZ Coatings Sprayed by HVOF

고속 화염 용사법으로 제조된 WC계 Cr3C2 코팅과 WC계 YSZ 코팅의 마찰 및 마모 거동 연구

  • Tae-Jun Park (Korea Institute of Ceramic Engineering and Technology, Engineering Ceramic Center) ;
  • Gye-Won Lee (Korea Institute of Ceramic Engineering and Technology, Engineering Ceramic Center) ;
  • Yoon-Suk Oh (Korea Institute of Ceramic Engineering and Technology, Engineering Ceramic Center)
  • 박태준 (한국세라믹기술원 이천분원, 엔지니어링소재센터) ;
  • 이계원 (한국세라믹기술원 이천분원, 엔지니어링소재센터) ;
  • 오윤석 (한국세라믹기술원 이천분원, 엔지니어링소재센터)
  • Received : 2023.10.13
  • Accepted : 2023.10.26
  • Published : 2023.10.28
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Abstract

With the increasing attention to environmental pollution caused by particulate matter globally, the automotive industry has also become increasingly interested in particulate matter, especially particulate matter generated by automobile brake systems. Here, we designed a coating composition and analyzed its mechanical properties to reduce particulate matter generated by brake systems during braking of vehicles. We designed a composition to check the mechanical properties change by adding Cr3C2 and YSZ to the WC-Ni-Cr composite composition. Based on the designed composition, coating samples were manufactured, and the coating properties were analyzed by Vickers hardness and ball-on-disk tests. As a result of the experiments, we found that the hardness and friction coefficient of the coating increased as the amount of Cr3C2 added decreased. Furthermore, we found that the hardness of the coating layer decreased when YSZ was added at 20vol%, but the friction coefficient was higher than the composition with Cr3C2 addition.

Keywords

Acknowledgement

본 논문은 산업통상자원부 산업기술혁신사업 기술개발 - 수송분야 비배기관 미세먼지 저감 사업(#20003589)의 연구지원으로 수행되었으며, 이에 감사드립니다.

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