高熵非晶合金耐腐蚀性能研究进展

高熵非晶合金是近年来发展起来的一种新型合金材料,因其兼具高熵合金和非晶合金优异的力学性能、耐腐蚀性能、磁性能等功能特性,引发了众多学者的广泛关注。本文简述了高熵非晶合金的含义与特点,介绍了高熵非晶材料的制备方法及组织与性能;归纳了该类材料的耐蚀机理与耐腐蚀性能的最新研究成果;展望了采用机器学习助力设计高熵非晶合金的新范式,并指出探究工况环境下的腐蚀失效机制、完善高熵非晶合金微观耐蚀机理与优化相关制备工艺是该材料广泛应用的前提条件。针对高熵非晶合金的开发及其耐腐蚀性开展的应用基础研究,将为我国海洋事业的“远洋化、深海化”提供先进的技术支撑和材料保障。

Research progress in corrosion resistance of high-entropy metallic glasses

The high-entropy metallic glasses,as a new kind of alloyed materials,have attracted considerable attention due to its excellent mechanical,anti-corrosion and magnetic properties and so forth,which combines the advantages of high-entropy alloys and metallic glasses.Herein,a comprehensive understanding of the concepts and features of high-entropy metallic glasses was provided as well as its preparation methods,distinguished structure and performance charact eristics.The recent developments in the corrosion resistance mechanism and anti-corrosion properties were summarized.A new paradigm of using machine learning to design high-entropy metallic glasses was prospected.It was also pointed out that the precondition to the extensive use of this sort of materials is to explore the corrosion failure mechanism under the working conditions,and to achieve the micro-corrosion resistance mechanism perfection and its preparation process optimization.At present,the applied basic research on the development of high-entropy metallic glasses and its corrosion resistance will provide advanced technical support and material guarantee for the“Marching into the deep ocean”of China's marine industry.