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Study on Electroplating Process for Chromium(III) in Fluoride System

DU Rong-bin

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Abstract

Conducted the experiments of chromium plating in the fluoride system by the potentiostatic process,in which anode and cathode materials are Pb-Ag alloy and #20 stainless steel,respectively.The effects of current density,pH value,temperature and plating time on plating efficiency are discussed.The experimental results show that the deposits with smooth,lustrous appearance and strong adhesion can be obtained with high current efficiency of 29.46 % under the conditions that temperature is 30-40 ℃,pH is 1.65,current density is 30 A/dm~(2) and plating time is 15 min.

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What this paper is about

Conducted the experiments of chromium plating in the fluoride system by the potentiostatic process,in which anode and cathode materials are Pb-Ag alloy and #20 stainless steel,respectively.The effects of current density,pH value,temperature and plating time on plating efficiency are discussed.The experimental results show that the deposits with smooth,lustrous appearance and strong adhesion can be obtained with high current efficiency of 29.46 % under the conditions that temperature is 30-40 ℃,pH is 1.65,current density is 30 A/dm~(2) and plating time is 15 min.

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Available abstract

Conducted the experiments of chromium plating in the fluoride system by the potentiostatic process,in which anode and cathode materials are Pb-Ag alloy and #20 stainless steel,respectively.The effects of current density,pH value,temperature and plating time on plating efficiency are discussed.The experimental results show that the deposits with smooth,lustrous appearance and strong adhesion can be obtained with high current efficiency of 29.46 % under the conditions that temperature is 30-40 ℃,pH is 1.65,current density is 30 A/dm~(2) and plating time is 15 min.

Key concepts: Electroplating, Chrome plating, Plating (geology), Fluoride, Chromium, Current density, Cathode, Anode

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