Effect of micro-arc oxidation on antimicrobial properties and biocompatibility of biomedical Ti-xFe alloys

被引:5
|
作者
Xie, Yanchun [1 ]
Wang, Xiaodong [2 ]
Cui, Shenshen [2 ]
Hu, Jiali [2 ]
Wei, Yongcun [1 ]
Lian, Yi [1 ]
Xuan, Anwu [1 ]
Yu, Bin [3 ]
Zhang, Erlin [2 ]
机构
[1] Northern Theater Gen Hosp, Shenyang 110016, Peoples R China
[2] Northeastern Univ, Sch Mat Sci & Engn, Key Lab Anisotropy & Texture Mat, Educ Minist China, Shenyang 110819, Peoples R China
[3] Peoples Hosp China Med Univ, Peoples Hosp LiaoNing Prov, Shenyang 110016, Peoples R China
来源
基金
中国国家自然科学基金;
关键词
Microarc oxidation; Ti -Fe alloys; Corrosion resistance; Antibacterial properties; Biocompatibility; MECHANICAL-PROPERTIES; TITANIUM IMPLANT; PERI-IMPLANTITIS; MICROSTRUCTURE; COATINGS; BEHAVIOR; STERILIZATION; TI6AL4V;
D O I
10.1016/j.surfcoat.2023.130174
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
In this paper, Ti-xFe (x = 3,5,9 wt%) alloys were surface modified by micro-arc oxidation (MAO) to improve both antimicrobial properties and biocompatibility. The surface morphology, phase composition, and chemical composition of MAO treated Ti-xFe alloys were analyzed by XRD, XPS, SEM and EDS. The roughness, hydrophilicity, corrosion resistance, antimicrobial resistance and biocompatibility of Ti-xFe-MAO were tested by laser confocal microscopy, contact angle measurement, electrochemical tests, antimicrobial experiments and cellular assays to evaluate their potential as orthopedic implants materials. The roughness and hydrophilicity of Ti-xFe-MAO alloys were greatly enhanced with increasing the oxidation voltage. The Ti-xFe alloys micro-arc oxidized at 250 V and 300 V showed improved corrosion resistance and excellent antimicrobial and cytocompatibility properties. Hence, micro-arc oxidation should be an excellent surface modification to improve the biofunction of Ti-xFe alloy as an implant alloy.
引用
收藏
页数:12
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