H2SO4 as a passivating medium on the localised corrosion resistance of surgical 316L SS metallic implant and its effect on hydroxyapatite coatings

被引：39
|
作者：
Kannan, S [1 ]
Balamurugan, A [1 ]
Rajeswari, S [1 ]
机构：
[1] Univ Madras, Dept Analyt Chem, Madras 600025, Tamil Nadu, India
来源：
ELECTROCHIMICA ACTA | 2004年 / 49卷 / 15期
关键词：
corrosion; coatings; passivation; polarisation; impedance;
D O I：
10.1016/j.electacta.2004.01.003
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The localised corrosion resistance of 316L SS metallic implant due to H2SO4 treatment is being studied through electrochemical studies involving cyclic polarisation experiments and impedance studies. The efficiency of hydroxyapatite (HAP) coatings on H2SO4 treated 316L SS is also been investigated through electrochemical studies and the dissolution characteristics of the coatings. The study reveal that 15% H2SO4 treatment was found to be efficient in the corrosion resistance of 316L SS and dissolution of alloy is considerably reduced in the hydroxyapatite coatings on 15% H2SO4 treated 316L SS. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2395 / 2403
页数：9
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