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Preparation method of aluminum oxide ceramic and aluminum oxide ceramic
The invention discloses a preparation method of aluminum oxide ceramic and the aluminum oxide ceramic thereof, and relates to the field of ceramic preparation, and the key points of the technical scheme are as follows: S1: weighing 70-90% by mass of alpha aluminum oxide powder, 10-30% by mass of one or two of gamma-phase aluminum oxide and theta-phase aluminum oxide, and proportioning; s2, adding the proportioned aluminum oxide powder into a ball milling tank for ball milling; s3, adding a dispersing agent and a binding agent into the ground slurry; s4, stirring the slurry by adopting a high-speed stirrer; s5, the slurry is dried, and powder is obtained after drying; s6, carrying out compression molding and cold isostatic pressing molding on the powder; s7, the formed blank is subjected to degreasing treatment; s8, the degreased blank is subjected to vacuum hot pressing sintering; and S9, a blank obtained through sintering is machined, and a corresponding product is obtained. The preparation method of the aluminum oxide ceramic can be used for preparing the ultra-pure and ultra-fine grain aluminum oxide ceramic.
本发明公开了一种氧化铝陶瓷的制备方法及其氧化铝陶瓷，涉及陶瓷制备领域，其技术方案要点是：S1：将质量百分比70%‑90%的α氧化铝粉末、质量百分比为10%‑30%的γ相氧化铝和θ相氧化铝的一种或两种称重配比；S2：将配比后的氧化铝粉末加入到球磨罐中进行球磨；S3：在研磨完成的浆料中加入分散剂、粘结剂；S4：采用高速搅拌机对浆料进行搅拌；S5：对浆料干燥处理，干燥后得到粉末；S6：对粉末模压成型+冷等静压成型；S7：对成型的毛坯进行脱脂处理；S8：脱脂完成后的毛坯进行真空热压烧结；S9：烧结得到的毛坯进行机加工得到相应产品。本发明的一种氧化铝陶瓷的制备方法能够制备超纯超细晶的氧化铝陶瓷。
Preparation method of aluminum oxide ceramic and aluminum oxide ceramic
The invention discloses a preparation method of aluminum oxide ceramic and the aluminum oxide ceramic thereof, and relates to the field of ceramic preparation, and the key points of the technical scheme are as follows: S1: weighing 70-90% by mass of alpha aluminum oxide powder, 10-30% by mass of one or two of gamma-phase aluminum oxide and theta-phase aluminum oxide, and proportioning; s2, adding the proportioned aluminum oxide powder into a ball milling tank for ball milling; s3, adding a dispersing agent and a binding agent into the ground slurry; s4, stirring the slurry by adopting a high-speed stirrer; s5, the slurry is dried, and powder is obtained after drying; s6, carrying out compression molding and cold isostatic pressing molding on the powder; s7, the formed blank is subjected to degreasing treatment; s8, the degreased blank is subjected to vacuum hot pressing sintering; and S9, a blank obtained through sintering is machined, and a corresponding product is obtained. The preparation method of the aluminum oxide ceramic can be used for preparing the ultra-pure and ultra-fine grain aluminum oxide ceramic.
本发明公开了一种氧化铝陶瓷的制备方法及其氧化铝陶瓷，涉及陶瓷制备领域，其技术方案要点是：S1：将质量百分比70%‑90%的α氧化铝粉末、质量百分比为10%‑30%的γ相氧化铝和θ相氧化铝的一种或两种称重配比；S2：将配比后的氧化铝粉末加入到球磨罐中进行球磨；S3：在研磨完成的浆料中加入分散剂、粘结剂；S4：采用高速搅拌机对浆料进行搅拌；S5：对浆料干燥处理，干燥后得到粉末；S6：对粉末模压成型+冷等静压成型；S7：对成型的毛坯进行脱脂处理；S8：脱脂完成后的毛坯进行真空热压烧结；S9：烧结得到的毛坯进行机加工得到相应产品。本发明的一种氧化铝陶瓷的制备方法能够制备超纯超细晶的氧化铝陶瓷。
Preparation method of aluminum oxide ceramic and aluminum oxide ceramic
一种氧化铝陶瓷的制备方法及其氧化铝陶瓷
LIU YUSHENG (author) / ZHU WEI (author)
2024-01-09
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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