Corrosion Resistance of Silane-Modified Hydroxyapatite Films on Degradable Magnesium Alloys

被引：0
作者：
Yan-Bin Zhao
Li-Qian Shi
Lan-Yue Cui
Chang-Lei Zhang
Shuo-Qi Li
Rong-Chang Zeng
Fen Zhang
Zhen-Lin Wang
机构：
[1] Shandong University of Science and Technology,College of Materials Science and Engineering
[2] Shandong University of Science and Technology,State Key Laboratory of Mining Disaster Prevention and Control Co
[3] Chongqing University of Technology,Founded by Shandong Province and the Ministry of Science and Technology
来源：
Acta Metallurgica Sinica (English Letters) | 2018年 / 31卷
关键词：
Magnesium alloys; Silane; Hydroxyapatite; Corrosion resistance; Biomaterial;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A polymethyltrimethoxysilane (PMTMS)/hydroxyapatite (HA) hybrid coating was successfully fabricated on a magnesium alloy by hydrothermal treatment and immersion method. The microstructure and composition of the coating were characterized by using X-ray diffraction, Fourier transform infrared spectroscopy and scanning electron microscopy. The physical properties were investigated using scratch testing. At the same time, the corrosion resistance was evaluated via electrochemical and immersion tests. The results demonstrated that the corrosion resistance of the silane hybrid coating was significantly enhanced compared with the naked magnesium alloy. Especially, the corrosion current density of the PMTMS/HA magnesium alloy was three orders of magnitude lower than that of the bare material.
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页码：180 / 188
页数：8
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