医用镁合金耐腐蚀性能研究进展

Corrosion resistance of medical magnesium alloy research progress

摘要:

近年来,医用镁合金作为“第三代生物医用材料”,因其具有优异的生物相容性和可降解性吸引了众多学者的关注,在传统医用植入物难以降解的背景下,展现了独有的潜力。然而,由于其较差的耐蚀性,难以满足医用植入物的临床应用需求,因此,研究医用镁合金的耐腐蚀性能就有着举足轻重的作用。本文从三种典型医用镁合金的耐蚀性研究出发,综述了不同元素含量医用镁合金在临床应用中耐腐蚀性能以及表面涂层、合金化等腐蚀防护技术的最新研究进展,并介绍了计算机仿真模拟技术在医用镁合金腐蚀研究方面的应用成果,据此对医用镁合金材料未来的发展趋势进行了展望。

Abstract:

In recent years, medical magnesium alloy, as a "third-generation biomedical material", has attracted the attention of many scholars due to its excellent biocompatibility and degradability, and has demonstrated its unique potential in the context of the difficulty of degradation of traditional medical implants. However, due to its poor corrosion resistance, it is difficult to meet the needs of clinical applications of medical implants, so the study of the corrosion resistance of medical magnesium alloys has a pivotal role. In this paper, starting from the corrosion resistance of three typical medical magnesium alloys, the latest research progress of the corrosion resistance of medical magnesium alloys with different elemental content in clinical applications and the corrosion protection technologies such as surface coating and alloying are reviewed, and the results of the application of computer simulation technology in the corrosion study of medical magnesium alloys are introduced, according to which, the future development trend of the medical magnesium alloys materials is prospected.