Synthesis of nanocrystalline titania films by micro-arc oxidation

被引：89
作者：
Han, Y
Hong, SH
Xu, KW
机构：
[1] Seoul Natl Univ, Sch Mat Sci & Engn, Kwanak Gu, Seoul 151742, South Korea
[2] Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 71004, Peoples R China
来源：
MATERIALS LETTERS | 2002年 / 56卷 / 05期
基金：
中国国家自然科学基金;
关键词：
micro-arc oxidation; titania film; nanocrystalline; adhesive strength;
D O I：
10.1016/S0167-577X(02)00606-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nanocrystalline titania films were synthesized by micro-arc oxidation of titanium substrates in an electrolytic solution using a pulsed power supply. X-ray diffraction (XRD) indicated that the deposited films consisted of a high crystalline anatase phase. Field emission scanning electron microscopy (FESEM) showed that the films were macro-porous with 1-2 mum pores and the matrix was composed of 10-20 nm grains. The adhesion-tension test showed that the films had an adhesive strength of 20 +/- 2MPa. Such firmly adhesive, porous and nanocrystalline anatase films are expected to have significant applications as orthopaedic/dental implants and catalysts. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：744 / 747
页数：4
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