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Characterization and Biocompatibility of Insoluble Corrosion Products of AZ91 Mg Alloys
Wu, Weiwei; Yu, Xiaoming; Zhao, Yan; Jiang, Xiran; Yang, Huazhe
2019-09-17
Source PublicationACS OMEGA
ISSN2470-1343
Volume4Issue:12Pages:15139-15148
AbstractBiodegradable Mg alloys have good bioactivity and suitable mechanical properties, which is desirable for application in the clinical fields. However, the biocompatibility of Mg alloys during the degradation process has always been a concern. In this paper, the corrosion behavior of AZ91 alloys in a simulated cell culture environment was studied, especially the insoluble corrosion product during the degradation was characterized, and the biocompatibility of the insoluble corrosion products was evaluated. The results of immersion test showed that the corrosion rate of the AZ91 alloy was low under the condition of high CO2 and humidity, especially in phosphate-buffered saline. Moreover, the insoluble corrosion product was MgCO3 center dot 3H(2)O, which showed a needle-like, circular aggregated, and square-radial feature. Meanwhile, MgCO3 center dot 3H(2)O showed poor cell biocompatibility by increasing the pH and Mg2+ content of the culture solution, which may affect the biocompatibility of Mg alloys.
Indexed BySCI
Language英语
WOS IDWOS:000488838700054
PublisherAMER CHEMICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80766
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Wu, Weiwei,Yu, Xiaoming,Zhao, Yan,et al. Characterization and Biocompatibility of Insoluble Corrosion Products of AZ91 Mg Alloys[J]. ACS OMEGA,2019,4(12):15139-15148.
APA Wu, Weiwei,Yu, Xiaoming,Zhao, Yan,Jiang, Xiran,&Yang, Huazhe.(2019).Characterization and Biocompatibility of Insoluble Corrosion Products of AZ91 Mg Alloys.ACS OMEGA,4(12),15139-15148.
MLA Wu, Weiwei,et al."Characterization and Biocompatibility of Insoluble Corrosion Products of AZ91 Mg Alloys".ACS OMEGA 4.12(2019):15139-15148.
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