2012•Plating and FinishingRequires access

Technological Investigation of Trivalent Chromium Plating

Wei Hou

Abstract

Trivalent chromium plating was carried out by using sulfate system and DSA anode.The thickness and structure of coating were determined by X-ray thickness tester and diffraction instrument.The results show that the trivalent chromium coating has a simple composition,higher current efficiency with the electrodeposition rate of 2 μm/min.The chromium plating could be operated in the temperature range of 15~45 ℃,and the coating thickness could be reached to 80 μm.

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Key concepts: Chrome plating, Chromium, Plating (geology), Coating, Anode, Materials science, Metallurgy, Sulfate