Novel electrodeposition process for preparing hydroxyapatite coating on titanium substrate

来源期刊:中国有色金属学报(英文版)2005年第6期

论文作者:赵中伟 李洪桂 孙培梅 陈星宇 Okido Masazumi

文章页码:1367 - 1372

Key words:electrodeposition; hydroxyapatite; polarization

Abstract: A novel process for electrodeposition of hydroxyapatite coating on titanium substrate was developed. The mechanism of the electrochemical reaction on the cathode was changed by adding H2O2 into the electrolyte. The evolution of H2 gas was erased. And owing to the fact that H2O2 posesses high tendency of being reduced, a fairly high cathodic current can be gained at a more positive potential than -1.0V. During the electrodeposition, 6%H2O2 is added, the temperature of deposition is fixed at 55℃ and pH of electrolyte is adjusted to 5.5. Dense and homogeneous film is crystallized at high rate. The mechanism of crystallize process was discussed.

基金信息:the National Natural Science Foundation of China

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