Corrosion Science and Technology

The Corrosion Science Society of Korea (한국부식방식학회)
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Corrosion Characteristics and Surface Morphologies of TiN and ZrN Film on the Abutment Screw by Arc-ion Coating(II)

어버트먼트 나사에 아-크 이온도금된 TiN과 ZrN피막의 부식특성과 표면 형상 (II)

  • Jeong, Y.H. (Department of Dental Materials & Research Center of Nano-Interface Activation for Biomaterials, School of Dentistry, Chosun University) ;
  • Kwag, D.M. (Department of Prosthodontics, School of Dentistry, Chosun University) ;
  • Chung, C.H. (Department of Prosthodontics, School of Dentistry, Chosun University) ;
  • Kim, W.G. (Department of Dental Technology, Daegu Health College) ;
  • Choe, H.C. (Department of Dental Materials & Research Center of Nano-Interface Activation for Biomaterials, School of Dentistry, Chosun University)
  • 정용훈 (조선대학교 치의학전문대학원 치과재료학교실 및 생체재료나노계면활성화센터) ;
  • 곽동묵 (조선대학교 치의학전문대학원 보철학교실) ;
  • 정재헌 (조선대학교 치의학전문대학원 보철학교실) ;
  • 김원기 (대구보건대학 치기공과) ;
  • 최한철 (조선대학교 치의학전문대학원 치과재료학교실 및 생체재료나노계면활성화센터)
  • Received : 2011.12.05
  • Accepted : 2011.12.29
  • Published : 2011.12.01
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Abstract

In this study, corrosion characteristics of TiN and ZrN film on the abutment screw by arc-ion plating were investigated using a potentiodynamic anodic polarization test in deaerated 0.9% NaCl solution at $36.5{\pm}1^{\circ}C$. The surface morphologies of the coating layers before and after corrosion test were investigated by a field-emission scanning electron microscope (FE-SEM) and a energy dispersive x-ray spectroscopy (EDS). The surfaces of the TiN and ZrN coated abutment screws showed the smooth surfaces without mechanical defects like scratches which can be formed during the manufacturing process, compared with those of the non-coated abutment screw. The corrosion and passive current densities of TiN and ZrN coated abutment screws were lower than those of the non-coated abutment screw.

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References

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