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The high-entropy ceramic is a new type of ceramic material system that has been gradually developed based on high-entropyalloy in recent years, and its emergence provides new design concepts and technical routes for the development of nonmetallicmaterials with excellent performance. Due to the complex elemental composition and unique high-entropy effect ofhigh-entropy ceramic, the use of conventional solid-state synthesis and solid-state sintering techniques requires long holdingtimes and high temperatures. With the development of advanced synthesis and sintering technologies, some researchers haveadopted novel methods to prepare high-entropy ceramics, and have achieved excellent results in shortening the cycle timeof powder synthesis, lowering the sintering temperature, and optimizing the properties of ceramics. This work analyzedand summarized the research on advanced synthesis and sintering techniques for the preparation of high-entropy ceramics,discussed the principles, characteristics, advantages, and development prospects of different synthesis techniques as well assintering techniques, and looked forward to the future direction of research on the synthesis and sintering methods of highentropyceramics.
