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Corrosion of porous Mg and Fe scaffolds: a review of mechanical and biocompatibility responses
Corrosion Engineering, Science and Technology ( IF 1.8 ) Pub Date : 2021-02-10 , DOI: 10.1080/1478422x.2021.1879427
Abdul Hakim Md Yusop 1 , Ahmed Alsakkaf 2 , Mohammed Rafiq Abdul Kadir 3 , Irza Sukmana 4 , Hadi Nur 1, 5
Affiliation  

ABSTRACT

Absorbable metals have been proposed as potential materials for hard tissue scaffolding to offer both high mechanical support and bioabsorbability. Over the past 5 years, many works sought evidence of the interesting mechanical property which mimics to that of human bone with tailored corrosion behaviour. The emerging additive manufacturing (AM) technology helps to optimise the design and production of topological porous absorbable metals suited for bone scaffolds. Since the studies on the porous absorbable metals are on the rise, we provide a current state-of-the-art of corrosion performances for porous Mg-based and Fe-based scaffolds including recent developments and the remaining challenges. A detailed discussion on the impacts of advanced AM and recently developed dynamic-flow corrosion on their in vitro corrosion, mechanical strengths and biocompatibility are also provided. This review also analyses the suitability of both metals to be used for bone substitute materials.



中文翻译:

多孔镁和铁支架的腐蚀:机械和生物相容性反应综述

摘要

可吸收金属已被提议作为硬组织支架的潜在材料,以提供高机械支撑和生物可吸收性。在过去的 5 年中,许多工作都在寻找有趣的机械特性的证据,这种特性模仿人类骨骼的机械特性,并具有定制的腐蚀行为。新兴的增材制造 (AM) 技术有助于优化适用于骨支架的拓扑多孔可吸收金属的设计和生产。由于对多孔可吸收金属的研究不断增加,我们为多孔镁基和铁基支架提供了当前最先进的腐蚀性能,包括最近的发展和剩余的挑战。详细讨论先进的 AM 和最近开发的动态流动腐蚀对其体外的影响还提供了腐蚀、机械强度和生物相容性。本综述还分析了两种金属用于骨替代材料的适用性。

更新日期:2021-02-10
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