高熵陶瓷研究进展

Progress in Research on High-entropy Ceramics

高熵陶瓷是一类新兴的陶瓷材料,因其独特的结构和性能,近年来受到广泛的关注。本文从高熵陶瓷的定义出发,通过概述固相反应法、前驱体热解法以及放电等离子烧结法等高熵陶瓷制备方法,介绍了合成高熵陶瓷的工艺流程;并且详细阐述了近年来高熵氧化物、高熵碳化物、高熵二硼化物等体系的高熵陶瓷的研究成果,对不同体系的高熵陶瓷的特点和应用前景进行了归纳和总结。

High-entropy ceramics are a novel class of ceramic materials,which have attracted extensive attention in recent years because of their unique structure and properties.In this review,the definition of highentropy ceramics has been introduced and the preparation methods of high-entropy ceramics,such as solid-state reaction,precursor pyrolysis and spark plasma sintering,are summarized.The research progress of high-entropy ceramics,such as high-entropy oxides,high-entropy carbides and high-entropy diborides,are discussed in detail.Finally,the characteristics and application prospects of the high-entropy ceramics are summarized.