Alumina ceramic bracket as well as preparation method and application thereof

The invention relates to an aluminum oxide ceramic bracket as well as a preparation method and application thereof, and relates to the technical field of new materials. The preparation method of the aluminum oxide ceramic support comprises the steps of powder preparation, mixing, crushing, injection molding, degreasing and three-stage sintering. According to the preparation method, a three-stage sintering process is utilized, so that the aluminum oxide ceramic bracket is high in surface smoothness, high in hardness and high in density and does not need subsequent processing. 本发明涉及一种氧化铝陶瓷支架及其制备方法和应用，涉及新材料技术领域。该氧化铝陶瓷支架的制备方法包括：制备粉料，混炼，破碎，注射成型，脱脂，三段烧结。该制备方法利用三段烧结工艺，使氧化铝陶瓷支架表面光洁度高、硬度大且致密度高，无需后续加工。