Effect of magnetron-sputtered monolayer Ta and multilayer Ti-Zr-Ta and Zr-Ti-Ta coatings on the surface properties of biomedical Ti-6Al-4V alloy

被引：14

作者：

Ji, Pengfei ^{[1
,2
]}

Liu, Shuguang ^{[1
,2
,3
]}

Deng, Hongyun ^{[1
]}

Ren, Hongzhi ^{[1
]}

Zhang, Jingkang ^{[1
]}

Sun, Taojian ^{[1
]}

Xu, Kuixue ^{[1
]}

Shi, Chunbao ^{[1
]}

机构：

[1] Beijing Chunlizhengda Med Instruments Co Ltd, Beijing 101112, Peoples R China

[2] Yanshan Univ, State Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Hebei, Peoples R China

[3] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China

来源：

MATERIALS LETTERS | 2022年 / 322卷

基金：

中国博士后科学基金;

关键词：

Titanium alloy; Tantalum coating; Hardness; Corrosion; Cytocompatibility; TITANIUM;

D O I：

10.1016/j.matlet.2022.132464

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

To improve the surface biocompatibility, hardness, and corrosion resistance in a simulated human environment, monolayer Ta coating and multilayer Ti-Zr-Ta and Zr-Ti-Ta coatings are prepared by magnetron sputtering on Ti6Al-4V substrates. Vickers hardness and nanoindentation reveal that the coatings improve the surface hardness of the investigated alloy. Moreover, the coatings improved the corrosion behavior of the alloy, which is mainly attributed to that the coatings changed the composition of the passivation film. The multilayer coatings effectively hinder the growth trend of the columnar structures. Finally, the all sputtered coatings have excellent cytocompatibility.

引用

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