Journal of Surface Science and Engineering (한국표면공학회지)

The Korean Institute of Surface Engineering (한국표면공학회)
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Evaluation of Corrosion and Surface Resistance of Ni-Px/C Multi Layer

Ni-Px/C 다층 도금층의 내식성과 표면 전기저항 평가

  • Park, Je-Sik (School of Advanced Materials and System Eng., Kumoh National Institute of Technology) ;
  • Jung, Eun-Kyung (Research Center, Jiodeco Co. Ltd.) ;
  • Lee, Churl-Kyoung (School of Advanced Materials and System Eng., Kumoh National Institute of Technology)
  • 박제식 (금오공과대학교 신소재시스템공학부) ;
  • 정은경 ((주) 지오데코 부설연구소) ;
  • 이철경 (금오공과대학교 신소재시스템공학부)
  • Received : 2012.08.14
  • Accepted : 2012.08.30
  • Published : 2012.08.31
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Abstract

Ni-P/C multi-layer was synthesized by electroless plating and paste coating for better corrosion and surface conductance as a metallic bipolar plate. The Ni-P layer could be synthesized with the range of 2.6~22.4 at.% P contents and it's surface morphology and corrosion resistance depend on content of P. Corrosion resistance of the Ni-P layer in sulfuric acid by electrochemical test is similar with pure Ni. Surface resistance of pure Ni after corrosion was increased about 8% compared to pure Ni. On the other hand, that of the Ni-P/C composite with 20% carbon content was increased only 1%.

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