High-entropy carbonitride ceramic powder as well as preparation method and application thereof

• Main Authors: LIU HONGHUA, CHU YANHUI, HAN YANGJIE, NING SHANSHAN
• Format: Patent
• Language: Chinese; English
• Published: 05.11.2021
• Subjects: ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; LIME, MAGNESIA; METALLURGY; REFRACTORIES; SLAG; TREATMENT OF NATURAL STONE

The invention discloses high-entropy carbonitride ceramic powder as well as a preparation method and application thereof. The high-entropy carbonitride ceramic powder is prepared by sintering ZrO2, Ta2O5, Nb2O5, TiO2 and melamine, and the preparation method of the high-entropy carbonitride ceramic powder comprises the following steps: 1) mixing ZrO2, Ta2O5, Nb2O5, TiO2 and melamine, carrying out ball milling, and conducting drying to obtain mixed powder; and 2) sintering the mixed powder in a protective atmosphere to obtain the high-entropy carbonitride ceramic powder. The high-entropy carbonitride ceramic powder is small in particle size, high in purity, uniform in component, simple in preparation process, low in raw material price, low in production cost and suitable for large-scale production and application. 本发明公开了一种高熵碳氮化物陶瓷粉体及其制备方法和应用。本发明的高熵碳氮化物陶瓷粉体由ZrO2、Ta2O5、Nb2O5、TiO2和三聚氰胺烧结而成，其制备方法包括以下步骤：1)将ZrO2、Ta2O5、Nb2O5、TiO2和三聚氰胺混合进行球磨，再进行干燥，得到混合粉体；2)将混合粉体置于保护气氛中进行烧结，即得高熵碳氮化物陶瓷粉体。本发明的高熵碳氮化物陶瓷粉体粒径细小、纯度高、成分均匀，且制备过程