简介概要

Thermodynamics of electrodeposited Ni-B-SiC composite coatings

来源期刊:中国有色金属学报(英文版)2001年第5期

论文作者:郭忠诚 朱晓云 杨显万

文章页码:800 - 802

Key words:Ni-B-SiC composite coating; φ-pH diagram; electrodeposition

Abstract: The φ-pH diagram of Ni-B-H2O system was drawn, and the mechanism of electrodepositing Ni-B-SiC composite coatings was discussed. The results show that the deposition of Ni and B occurs prior to that of H2 because of the over-potential of H2 evolution on the Fe substrate. Boron can not singly deposit in aqueous solution. Nickel and boron can co-deposit in the form of Ni4B3 without evolution of hydrogen when the cathodical potential is kept to be -1.415~-1.700V.

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