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首页> 外文期刊>International Journal of Electrochemical Science >Effect of Heat Treatment on Corrosion Behaviour of Magnesium Alloy Mg10Gd1Eu1Zn0.2Zr in 1wt% NaCl Solution for Biomaterial Application
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Effect of Heat Treatment on Corrosion Behaviour of Magnesium Alloy Mg10Gd1Eu1Zn0.2Zr in 1wt% NaCl Solution for Biomaterial Application

机译：热处理对1wt％NaCl溶液中镁合金Mg10Gd1Eu1Zn0.2Zr腐蚀行为的影响

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摘要

The influence of heat treatment on the corrosion resistance of magnesium alloy Mg10Gd1Eu1Zn0.2Zrin 1wt% chloride solution has been studied by weight loss, potentiodynamic polarization,electrochemical impedance spectroscopy (EIS), X-ray diffraction and scanning electron microscopy(SEM). The study indicates that the corrosion rate of magnesium alloy is quite sensitive to the heattreatment. The Open circuit potential (OCP), the corrosion potential (Ecorr), the charge transferresistance (Rct), and the corrosion resistance increased while the corrosion current density (Icorr) andhence the corrosion rate decreased in the following order F, T4 and T6. The X-ray diffraction (XRD)has shown well crystallized Mg(OH)2 patterns beneath the Mg alloy immersed in chloride solution.The morphology of the alloy after immersion in the chloride solution presents a film of corrosionproducts with cracks and pits which depend on undergoing heat treatment.
机译：通过失重，电势极化，电化学阻抗谱（EIS），X射线衍射和扫描电镜（SEM）研究了热处理对镁合金Mg10Gd1Eu1Zn0.2Zrin 1wt％氯化物溶液耐蚀性的影响。研究表明，镁合金的腐蚀速率对热处理相当敏感。开路电势（OCP），腐蚀电势（Ecorr），电荷转移电阻（Rct）和耐蚀性增加，而腐蚀电流密度（Icorr）和腐蚀速率则按以下F，T4和T6顺序降低。 X射线衍射（XRD）显示了浸入氯化物溶液中的Mg合金下方结晶良好的Mg（OH）2图案。浸入氯化物溶液中的合金的形态显示出一层腐蚀产物，其裂纹和凹坑取决于正在接受热处理。

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