화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of the Korean Industrial and Engineering Chemistry, Vol.17, No.5, 433-442, October, 2006
Export Citation
아연도금용 친환경 3가 크로메이트 표면처리기술
Environment-friendly Trivalent Chromate Treatment for Zn Electroplating
김수원, 이철태1, †
  • 남동화학 주식회사
  • 1단국대학교 공학부 화학공학전공
Soo Won Kim, and Chul Tae Lee1, †
  • Namdong Chemical Co., Ltd, Kyung-gi 429-847, Korea
  • 1Department of Chemical Engineering, Dankook University, Seoul 140-714, Korea
E-mail:
초록
금속표면처리 기술 분야에서 광범위하게 적용되어온 6가 크롬에 의한 부식억제방법은 더 이상 사용할 수 없는 단계에 이르렀다. 전 세계적으로 자동차 산업에 적용되기 시작한 이 6가 크롬사용에 대한 규제는 전자산업을 비롯한 모든 산업에 예외 없이 적용될 것이다. 이에 따라 새로운 부식억제 방법이 절대적으로 필요하며, 3가 크롬을 바탕으로 하는 새로운 부식억제 방법이 그 자리를 대신할 것이다. 따라서 본 총설에서는 6가 크로메이트 대체를 위한 화성코팅에 대한 공정 개발을 위해 현재까지 진행된 과정 및 제안된 3가 크롬화성코팅을 소개하여 획기적인 3가 크로메이트 화성코팅 공정의 확립에 기여하고자 한다.
Hexavalent chromium passivation, as very effective anti-corrosion method, can not be used in the field of surface treatment for metal, any more. Throughout the world, this regulations which was applied to automotive industries will be extended to all industries including electronics industries in the near future. Therefore a new anti-corrosion method should be established without delay, and trivalent chromium passivation as an alternatives replace the hexavalent chromium passivation for the time being. This paper gives an overview of the currently available trivalent chromium passivation processes, and then it attempts to give an insight to develop a more effective trivalent chromium conversion coating process for possible substitution of the hexavalent chromium passivation process.
Keywords:chromate conversion coating;trivalent chromium;hexavalent chromium
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