Journal of the Korean institute of surface engineering (한국표면공학회지)

The Korean Institute of Surface Engineering (한국표면공학회)
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Effect of Pulse Plating on the Hardness and Ductility of Electroplated Fe-C

펄스전류에 의해 제조된 Fe-C 도금층의 경도 및 인성에 대한 연구

  • 오영주 (금속공정연구센터 한국과학기술연구원) ;
  • 하헌필 (금속공정연구센터 한국과학기술연구원) ;
  • 변정수 (금속공정연구센터 한국과학기술연구원)
  • Published : 2002.06.01
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Abstract

Fe-C alloy layers were produced by pulse plating and the properties were compared with those produced by D.C. plating. When the pulse on time ($T_{on}$ ) was the same, both the duty cycle and peak current density($I_{p}$ ) had little influence on the carbon content and the hardness of the layer. The structure and hardness of the direct current plating were similar to those of the pulse current plating. However, the ductility was enhanced when the pulse current was applied due to the release of residual stress during the pulse off time($T_{off}$).).

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