The influence of porosity on corrosion characteristics of porous NiTi alloy in simulated body fluid

被引：62
|
作者：
Li, YH [1 ]
Rao, GB [1 ]
Rong, LJ [1 ]
Li, YY [1 ]
机构：
[1] Chinese Acad Sci, Met Res Inst, Shenyang 110016, Peoples R China
来源：
MATERIALS LETTERS | 2002年 / 57卷 / 02期
关键词：
porosity; NiTi shape memory alloy; corrosion; polarization; passivation;
D O I：
10.1016/S0167-577X(02)00809-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Porous NiTi shape memory alloy (SMA) is a novel biomedical candidate used for surgical implant application. Corrosion characteristics of porous NiTi SMAs with different porosity prepared from combustion synthesis were investigated in this paper by potentiodynamic polarization measurements in physiological and Hank's solutions at 37 degreesC, respectively, while solid NiTi SMA was chosen as a reference. The result indicated that the corrosion resistance of porous NiTi SMA decreased with the increasing porosity. Porous NiTi SMA was less corrosion resistant than the solid one. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：448 / 451
页数：4
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