Surface modification of L605 by oxygen plasma immersion ion implantation for biomedical applications

被引：5
|
作者：
de Andrade, Leticia Marin [1 ,2 ]
Paternoster, Carlo [1 ,2 ]
Montano-Machado, Vanessa [1 ,2 ]
Barucca, Gianni [3 ]
Sikora-Jasinska, Malgorzata [1 ,2 ]
Tolouei, Ranna [1 ,2 ]
Turgeon, Stephane [1 ,2 ]
Mantovani, Diego [1 ,2 ]
机构：
[1] Univ Laval, Lab Biomat & Bioengn, Dept Min Met Mat Engn, 1065 Ave Med,Pav Poulliot-1745G, Quebec City, PQ G1V 0A6, Canada
[2] Univ Laval, Univ Hosp Res Ctr, 1065 Ave Med,Pav Poulliot-1745G, Quebec City, PQ G1V 0A6, Canada
[3] Univ Politecn Marche, Dept Mat Environm Sci & Urban Planning, Via Brecce Bianche 12, I-60131 Ancona, Italy
来源：
MRS COMMUNICATIONS | 2018年 / 8卷 / 04期
基金：
加拿大自然科学与工程研究理事会;
关键词：
CO; BEHAVIOR; ALLOY; OXIDATION; CORROSION; NITROGEN;
D O I：
10.1557/mrc.2018.202
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Co-Cr alloys, more specifically L605, have superior mechanical properties and high-corrosion resistance, making them suitable materials for cardiovascular application. However, metallic materials for biomedical applications require finely tuned surface properties to improve the material behavior in a physiological environment. Oxygen plasma immersion ion implantation was performed on an L605 alloy, after an electropolishing pre-treatment. The oxidized layer was found to be rich in Co and O, it did not show any trace of Cr, and resulted in nanostructured. The corrosion properties were profoundly changed. Endothelial cells showed high viability after 7 days of contact with some modified surfaces.
引用
收藏
页码：1404 / 1412
页数：9
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