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負(fù)向電壓對純鈦微弧氧化膜層結(jié)構(gòu)特征的影響
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國家自然科學(xué)基金項(xiàng)目(50502015，50872035)；教育部“新世紀(jì)優(yōu)秀人才”基金項(xiàng)目（教技函[2006]6）資助


Effect of Cathode Voltage on Structure of Micro-Arc Oxidation Films of Pure Titanium
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    摘要:

    采用微弧氧化技術(shù)，以β-甘油磷酸鈉和乙酸鈣混合溶液為電解液，在固定正向電壓（450 V）和氧化時(shí)間（5 min）等參數(shù)情況下，研究了負(fù)向電壓對純鈦表面微弧氧化膜層的相組成和形貌的影響規(guī)律。結(jié)果表明：負(fù)向電壓為100~200 V時(shí)，微弧氧化膜層較均勻，膜層由二氧化鈦和磷酸三鈣組成；負(fù)向電壓升至300 V，膜層表面被嚴(yán)重?zé)g，其主要物相為鈦酸鈣。

    Abstract:

    The composite coatings on commercially pure titanium substrate were prepared by micro-arc oxidation (MAO) in electrolytic solution containing calcium acetate and β-glycerol phosphate disodium salt pentahydrate (β-GP) adopting the fixed anode voltage of 450 V and the oxidizing time of 5 min. The effects of cathode voltage on phase and composition morphology of MAO films were investigated. The results show that: the surface of MAO films are uniform and the components of the films are composed of TiO2 and Ca3 (PO4)2 while cathode voltage varies from 100 V to 200 V. When cathode voltage is 300 V, the surface of the MAO films are destroyed and the predominant component is CaTiO3.

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程海梅,寧成云,鄭華德,譚幗馨,馬 強(qiáng),張德貴.負(fù)向電壓對純鈦微弧氧化膜層結(jié)構(gòu)特征的影響[J].稀有金屬材料與工程,2009,38(6):1116~1118.[Cheng Haimei, Ning Chengyun, Zheng Huade, Tan Guoxin, Ma Qiang, Zhang Degui. Effect of Cathode Voltage on Structure of Micro-Arc Oxidation Films of Pure Titanium[J]. Rare Metal Materials and Engineering,2009,38(6):1116~1118.]
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  • 收稿日期:2008-09-26
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