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Production of WE43 magnesium alloy by powder metallurgy and the effect of glucose on wear resistance in biocorrosive wear.
Biointerphases ( IF 2.1 ) Pub Date : 2023-03-01 , DOI: 10.1116/6.0002270
Bünyamin Çiçek 1
Affiliation  

In this study, WE43 magnesium alloy was produced by the powder metallurgy method. Microstructural analyses of the produced samples were carried out using the scanning electron microscopy method. X-ray fluorescence, energy dispersive x-ray (EDS) analysis, and hardness tests were also implemented to investigate the physical and chemical properties of the alloys. The volumetric hardness was measured to be approximately 53 HV. The microstructural analysis and EDS results indicated the presence of Mg24Y5 and Mg41Nd5 phases in the alloys. Reciprocating-type experiments were carried out in dry and corrosive environments to evaluate the wear resistance. Hanks's solution containing 2% g/l glucose was used as the corrosive environment. Gluconic acid resulting from the oxidation of glucose in the Hanks's solution formed a new thin layer on the alloy surface, which was observed in the worn surface images. The formation of the thin film on the alloy surface resulted in an increase in wear resistance by 37%. The results unraveled the potential of the WE43 alloys as implant materials in areas in contact with glucose.

中文翻译:

粉末冶金制备WE43镁合金及葡萄糖对生物腐蚀磨损耐磨性的影响

本研究采用粉末冶金法生产WE43镁合金。使用扫描电子显微镜方法对生产的样品进行微观结构分析。还实施了 X 射线荧光、能量色散 X 射线 (EDS) 分析和硬度测试,以研究合金的物理和化学性能。体积硬度经测量约为 53 HV。微观结构分析和 EDS 结果表明合金中存在 Mg24Y5 和 Mg41Nd5 相。在干燥和腐蚀性环境中进行往复式实验以评估耐磨性。含有 2% g/l 葡萄糖的 Hanks 溶液用作腐蚀环境。Hanks 中葡萄糖氧化产生的葡萄糖酸 这种溶液在合金表面形成了一层新的薄层,这在磨损表面图像中可以观察到。合金表面薄膜的形成导致耐磨性提高了 37%。结果揭示了 WE43 合金作为与葡萄糖接触区域的植入材料的潜力。
更新日期:2023-03-01
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