Corrosion Behavior of Magnesium Alloy AX53 in Simulated Body Fluids
Magnesium alloys have attracted scientists attention as potential implant materials, due to their excellent biocompatibility and good mechanical compatibility. Potentiodynamic electrochemical technique was applied to investigate the corrosion behavior of magnesium alloy AX53 (Mg-4.76Al-3.17Ca) in Hanks solutions, 0.9 wt％ NaCl+0.7 g/L NaHCO3 solutions and 0.9 wt％ NaCl solutions at room temperature. Corrosion morphologies of the alloys were observed by means of scanning electron microscope, and the chemical compositions were examined through x-ray diffraction. The results demonstrated that free corrosion potential (Ecorr) of AX53 in 0.9 wt ％ NaCl solution rose rapidly at initial stage, and then stabilized, whereas Ecorr of this alloy increased continuously in the other two solutions. Corrosion rates in Hanks solutions were lower than in the other solutions. Intergranular corrosion occurred in these solutions.
Magnesium Alloys Corrosion Simulated Body Fluid Biomaterial
Jun WANG Rongchang ZENG Jun CHEN Rongshi CHEN
School of Materials Science and Engineering, Chongqing Institute of Technology,Chongqing 400050, Chi Environmental Corrosion Center, Institute of Metals Research, Chinese Academy of Sciences,Shenyang 1
国际会议
重庆
英文
1174-1178
2008-06-09（万方平台首次上网日期，不代表论文的发表时间）