Journal of the Korean institute of surface engineering (한국표면공학회지)

The Korean Institute of Surface Engineering (한국표면공학회)
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Effect of the WC particle size and Co content on the adhesion property between AIP-TiN coating and WC-Co substrate

AIP-TiN/WC-Co계에서 WC입자크기와 Co함량이 밀착력에 미치는 영향

  • 한대석 (부산대학교 재료공학부) ;
  • 류정민 (부산대학교 재료공학부) ;
  • 권식철 (한국기계연구원 표면기술연구부) ;
  • 김광호 (부산대학교 재료공학부)
  • Published : 2002.06.01
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Abstract

TiN coating were deposited onto different WC-Co substrates using arc ion plating (AIP) technique. The structure and morphology for the deposited coating were characterized by x-ray diffraction (XRD) and scanning electron microscopy (SEM). The adhesion behavior of the deposited TiN coating was investigated with a conventional scratch test. Effects of WC particle size and Co content on the adhesion strength between the deposited TiN coating and substrate were studied. During the scratch test, the value of critical load was dependent of WC particle size and Co content on substrate. As the WC particle size and Co content on substrate decreased, the critical load increased. The highest critical load, approximately 110N, was obtained at WC particle size of 1$\mu\textrm{m}$ and Co content of 10wt.%.

Keywords

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