The surface alloying effect of silicon in a binary NiTi-base alloy on the corrosion resistance and biocompatibility of the material

被引：9
作者：
Psakhie, S. G. [1 ]
Lotkov, A. I. [1 ]
Meisner, L. L. [1 ]
Meisner, S. N. [1 ]
Matveeva, V. A. [2 ]
机构：
[1] Russian Acad Sci, Inst Strength Phys & Mat Sci, Siberian Branch, Tomsk, Russia
[2] Russian Acad Sci, Inst Chem Biol & Fundamental Med, Siberian Branch, Novosibirsk, Russia
来源：
RUSSIAN PHYSICS JOURNAL | 2013年 / 55卷 / 09期
关键词：
binary NiTi-base alloy; high-dose ion implantation; silicon; surface alloying; corrosion resistance; biocompatibility; STENTS;
D O I：
10.1007/s11182-013-9923-9
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The corrosion resistance behavior and cytotoxicity of binary NiTi-base alloy specimens subjected to surface modification by silicon ion beams and the proliferative ability of mesenchymal stem cells of rat marrow on an ion-implanted surface of the alloy have been studied. The silicon ion beam processing of specimen surfaces is shown to bring about a nearly two-fold improvement in the corrosion resistance of the material to attack by aqueous solutions of NaCl (artificial body fluid) and human plasma and a drastic decrease in the nickel concentration after immersion of the specimens into the solutions for similar to 3400 and similar to 6000 h, respectively (for the artificial plasma solution, a nearly 20-fold decrease in the Ni concentration is observed.).
引用
收藏
页码：1063 / 1073
页数：11
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