Zirconium-based nanostructured coating on the Mg-4Y-3RE alloy for corrosion retardation

被引：12

作者：

Jin, Weihong ^{[1
,2
,3
]}

Zhou, Haili ^{[1
]}

Li, Jingyao ^{[1
]}

Ruan, Qingdong ^{[2
,3
]}

Li, Jian ^{[1
]}

Peng, Xiang ^{[4
]}

Li, Wei ^{[1
]}

Chu, Paul K. ^{[1
,2
,3
]}

机构：

[1] Jinan Univ, Inst Adv Wear & Corros Resistant & Funct Mat, Guangzhou 510632, Peoples R China

[2] City Univ Hong Kong, Dept Mat Sci & Engn, Dept Phys, Kowloon, Tat Chee Ave, Hong Kong, Peoples R China

[3] City Univ Hong Kong, Dept Biomed Engn, Dept Phys, Kowloon, Tat Chee Ave, Hong Kong, Peoples R China

[4] Wuhan Inst Technol, Sch Mat Sci & Engn, Hubei Key Lab Plasma Chem & Adv Mat, Wuhan 430205, Peoples R China

来源：

CHEMICAL PHYSICS LETTERS | 2020年 / 756卷

关键词：

Nanostructured coating; Corrosion; Magnesium alloys; Surface modi fication; Zirconium; IN-VITRO CORROSION; MAGNESIUM ALLOYS; ZRN FILMS; MG ALLOY; RESISTANCE; CYTOCOMPATIBILITY; BEHAVIOR; MICROSTRUCTURE; IMPLANTATION; DEGRADATION;

D O I：

10.1016/j.cplett.2020.137824

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Clinical application of magnesium (Mg) alloys to biomedical implants is hampered by the fast degradation rate in the physiological environment. Herein, a zirconium-based (ZB) nanostructured coating composed of mainly zirconium nitride and oxynitride is prepared by reactive magnetron sputtering to mitigate corrosion of the Mg-4Y-3RE alloy. The ZB coating reduces the corrosion current density, increases the charge transfer resistance, and hinders the corrosion propagation of the Mg alloy in the simulated body fluid revealing retarded dissolution of the Mg alloy. The enhanced corrosion resistance of the Mg alloy stems from the dense and strongly adhering ZB coating.

引用

页数：6

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