한국표면공학회지 (Journal of the Korean institute of surface engineering)

  • 제35권1호
  • /
  • Pages.53-63
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  • 2002
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  • 1225-8024(pISSN)
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  • 2288-8403(eISSN)
한국표면공학회 (The Korean Institute of Surface Engineering)
권호 표지

실온 펄스도금법을 이용한 STS 316L 표면의 Ni 도금 저가형욕 연구

Study of Ni-coating on 316L Stainless Steel by Pulse Electroplating in Various Bath Conditions at Room Temperature

  • 정세진 (영남대학교 재료금속공학부) ;
  • 조계현 (영남대학교 재료금속공학부)
  • 발행 : 2002.02.01
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초록

Ni coating was carried out by pulse plating at room temperature. So, experimental conditions for Ni-coating were based on Watt's bath, and new additives(propionic acid) were introduced in the Watt's bath electrolyte as $H_3$$BO_3$ alternatives. By adding propionic acid, coating layer demonstrated a good adhesion and uniformity without special pre-treatment of the 316L stainless steel at room temperature. With a decrease of amount of propionic acid and applied average current density, cathode current efficiency increased. Also, edge effect was decreased with decreasing a peak current and increasing a pulse frequency in the same bath condition. It was found that the optimum condition for Ni coating was a current density of 10~20mA/$\textrm{cm}^2$ at below 500 mA peak current in the $5m\ell/\ell$ propionic acid solution.

키워드

참고문헌

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