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首页> 外文期刊>Journal of Materials Engineering and Performance >Effects of Heat Treatment on Corrosion and Wear Behaviors of Mg-6Gd-2Zn-0.4Zr Alloy in Simulated Body Fluid
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Effects of Heat Treatment on Corrosion and Wear Behaviors of Mg-6Gd-2Zn-0.4Zr Alloy in Simulated Body Fluid

机译：热处理对模拟体液Mg-6GD-2ZN-0.4ZR合金腐蚀和磨损行为的影响

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摘要

Mg-6Gd-2Zn-0.4Zr (wt.%, GZ62K) alloy was processed by solution treatment under different temperatures. The microstructure, hardness, corrosion and wear behaviors in simulated body fluid (SBF) have been studied. The results indicate that the (Mg, Zn)(3)Gd phase decreases, the precipitated phases gradually increase, and the long-period stacking ordered structure disappears with the increase of solution temperature. The alloy has better corrosion resistance after solution treatment, and that solution treated at 490 degrees C for 12 h shows the best corrosion resistance. The friction coefficient of the alloy under dry sliding condition decreases slightly, but the mass loss increases with increasing the solution temperature. The alloy solution treated at 460 degrees C for 12 h exhibits the lowest friction coefficient and mass loss in SBF, and it also has the best wear resistance under dry sliding condition.
机译：在不同温度下通过溶液处理加工Mg-6GD-2ZN-0.4ZR（Wt。％，GZ62K）合金。 研究了模拟体液（SBF）中的微观结构，硬度，腐蚀和磨损行为。 结果表明（Mg，Zn）（3）GD相降低，沉淀相逐渐增加，并且长期堆叠有序结构随溶液温度的增加而消失。 合金在溶液处理后具有更好的耐腐蚀性，并且在490℃下处理的溶液12小时显示最佳耐腐蚀性。 干式滑动条件下合金的摩擦系数略微降低，但随着溶液温度的增加而增加。 在460℃下处理12小时的合金溶液在SBF中表现出最低的摩擦系数和质量损失，并且在干燥滑动条件下也具有最佳耐磨性。

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