Microstructure and mechanical properties of biodegradable Zn-2Cu-0.1Ti alloy for orthopedic applications

被引：0
|
作者：
Liu, Jingbo [1 ]
Liang, Luxin [2 ]
Liu, Bo [1 ,3 ,4 ]
Wang, Qingge [1 ]
Chen, Chao [1 ]
Zhou, Kechao [1 ]
Li, Ning [5 ]
Wu, Hong [1 ]
机构：
[1] Cent South Univ, State Key Lab Powder Met, Changsha 410083, Peoples R China
[2] Cent South Univ, Xiangya Hosp 2, Dept Orthoped, Changsha 410011, Peoples R China
[3] Cent South Univ, Xiangya Hosp 2, Dept Gen Surg, Changsha 410011, Peoples R China
[4] Hunan Xiangtou Goldsky Titanium Ind Technol Co Ltd, Changde 415001, Peoples R China
[5] Cent South Univ, Xiangya Hosp, Ctr Stomatol, Dept Oral & Maxillofacial Surg, Changsha 410008, Hunan, Peoples R China
来源：
MATERIALS LETTERS | 2023年 / 348卷
基金：
中国国家自然科学基金;
关键词：
Zn alloys; Biodegradability; Mechanical properties; Biocompatibility; ZINC;
D O I：
10.1016/j.matlet.2023.134692
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Bioresorbable implants are intended to be biocompatible, mechanically stable, and to corrode gradually in response to an appropriate host response. In this work, a Zn-2Cu-0.1Ti (ZCT) alloy was fabricated by a combi-nation of casting and hot-rolling. X-ray diffraction analysis revealed the presence of both TiZn16 phase and a CuZn4 phase in the alloy. ZCT showed an extraordinary increase in yield strength compared with the unalloyed Zn to 248 MPa (from 100 MPa) and a similar elongation to failure (33-34%). The alloy also possesses a relatively low corrosion rate when immersed in simulated body fluid. The 50 % extract of ZCT alloy exhibits excellent biocompatibility for MC3T3-E1 cells. These results indicate that the ZCT alloy has potential for clinical applications.
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页数：4
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