高熵合金吸波材料的研究进展

Research Progress of High-Entropy Alloy Absorbing Materials

随着吸波材料在军事隐身技术中的应用与发展,对其性能提出了更高的要求,开发符合“薄、轻、宽、强”且环境适应性强的吸波材料成为当前研究的热点。高熵合金独特的多主元、高浓度成分组成使之具有成为吸波材料的天然优势,其优异的软磁性、耐腐蚀性、抗氧化性等综合性能为发展新型吸波材料提供了研究基础。高熵合金吸波材料可以通过主元种类和浓度调节,微量元素添加以及与其他材料复合等多种调控方法来提高吸波性能。综述高熵合金吸波材料的研究进展,从材料的制备方法出发,对其吸波性能的影响因素进行详细的讨论,最后对高熵合金吸波材料的未来研究方向作出展望。

With the application and development of wave-absorbing materials in military stealth technology,higher requirements are put forward for their performance.Developing wave-absorbing materials that are“thin,light,wide,and strong”and with excellent environmental adaptability is a critical research topic.The unique multi-principal elements and high-concentration composition of high-entropy alloy gives them a natural advantage in terms of being wave-absorbing materials.Its excellent soft magnetic properties,corrosion resistance,oxidation resistance,and other comprehensive properties provide a basis for research into the further development of novel wave-absorbing materials.Optimized absorbing properties of high-entropy alloy absorbing materials can be achieved through host element type and concentration regulation,trace element addition,and compounding with other materials.This paper reviews the research progress of high-entropy alloy absorbing materials,discusses in detail the factors influencing their absorbing properties from the preparation methods of the materials,and finally gives an outlook on the future research directions of high-entropy alloy absorbing materials.