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首页> 外文期刊>Materials >Resistance of Magnesium Alloys to Corrosion Fatigue for Biodegradable Implant Applications: Current Status and Challenges
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Resistance of Magnesium Alloys to Corrosion Fatigue for Biodegradable Implant Applications: Current Status and Challenges

机译：镁合金对可生物降解植入物应用的耐腐蚀疲劳性：现状和挑战

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摘要

Magnesium (Mg) alloys are attracting increasing interest as the most suitable metallic materials for construction of biodegradable and bio-absorbable temporary implants. However, Mg-alloys can suffer premature and catastrophic fracture under the synergy of cyclic loading and corrosion (i.e., corrosion fatigue (CF)). Though Mg alloys are reported to be susceptible to CF also in the corrosive human body fluid, there are very limited studies on this topic. Furthermore, the in vitro test parameters employed in these investigations have not properly simulated the actual conditions in the human body. This article presents an overview of the findings of available studies on the CF of Mg alloys in pseudo-physiological solutions and the employed testing procedures, as well as identifying the knowledge gap.
机译：镁（Mg）合金作为最适合用于构造可生物降解和可生物吸收的临时植入物的金属材料，引起了越来越多的关注。然而，在循环载荷和腐蚀（即腐蚀疲劳（CF））的协同作用下，镁合金会遭受过早的灾难性断裂。尽管据报道镁合金在腐蚀性人体液中也易受CF污染，但对此话题的研究非常有限。此外，这些研究中使用的体外测试参数还没有正确模拟人体的实际状况。本文概述了有关伪合金溶液中镁合金CF的可用研究成果以及所采用的测试程序，并指出了知识差距。

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