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Preparation method of aluminum oxide ceramic composite powder
The invention discloses a preparation method of aluminum oxide ceramic composite powder. The preparation method comprises the following steps: step 1) preparing aluminum oxide slurry from 100-200 parts of aluminum oxide powder, 5-20 parts of additive powder, 3-13 parts of a dispersing agent and 150-300 parts of ultrapure water; 2) rough grinding: grinding the prepared alumina slurry by a rough grinding machine to obtain roughly ground slurry; 3) fine grinding: sieving the roughly ground slurry, and grinding the slurry in a fine grinding machine to obtain finely ground slurry; 4) spray granulation: carrying out spray granulation on the finely ground slurry by using a spray drying tower to obtain aluminum oxide composite powder; 5) compression molding: carrying out compression molding on thealuminum oxide composite powder through a tablet press to obtain an aluminum oxide ceramic prefabricated part; 6) cold isostatic pressing: performing cold isostatic pressing on the aluminum oxide ceramic prefabricated part to obtain an aluminum oxide ceramic blank; 7) sintering: sintering the aluminum oxide ceramic blank in a resistance furnace to obtain an aluminum oxide ceramic finished product. The aluminum oxide ceramic composite powder is uniform in mixing and simple in process, and the sintered ceramic is good in mechanical property.
本发明公开了一种氧化铝陶瓷复合粉体的制备方法，步骤1）、氧化铝浆料配制：氧化铝粉100‑200份、添加剂粉5‑20份、分散剂3‑13份、超纯水150‑300份；步骤2）、粗磨：将配制好的氧化铝浆料用粗磨机研磨得粗磨浆料；步骤3）、细磨：将粗磨浆料过筛，放入细磨机中研磨得细磨浆料；步骤4）、喷雾造粒：将细磨浆料用喷雾干燥塔进行喷雾造粒得氧化铝复合粉体；步骤5）、压制成型：将氧化铝复合粉体经平板压片机压制成型得氧化铝陶瓷预制件；步骤6）、冷等静压：将氧化铝陶瓷预制件经冷等静压得氧化铝陶瓷坯；步骤7）、烧结：在电阻炉中将氧化铝陶瓷坯烧结得氧化铝陶瓷成品。本发明得到的氧化铝陶瓷复合粉体，混合均匀，工艺简单，烧结出来的陶瓷力学性能良好。
Preparation method of aluminum oxide ceramic composite powder
The invention discloses a preparation method of aluminum oxide ceramic composite powder. The preparation method comprises the following steps: step 1) preparing aluminum oxide slurry from 100-200 parts of aluminum oxide powder, 5-20 parts of additive powder, 3-13 parts of a dispersing agent and 150-300 parts of ultrapure water; 2) rough grinding: grinding the prepared alumina slurry by a rough grinding machine to obtain roughly ground slurry; 3) fine grinding: sieving the roughly ground slurry, and grinding the slurry in a fine grinding machine to obtain finely ground slurry; 4) spray granulation: carrying out spray granulation on the finely ground slurry by using a spray drying tower to obtain aluminum oxide composite powder; 5) compression molding: carrying out compression molding on thealuminum oxide composite powder through a tablet press to obtain an aluminum oxide ceramic prefabricated part; 6) cold isostatic pressing: performing cold isostatic pressing on the aluminum oxide ceramic prefabricated part to obtain an aluminum oxide ceramic blank; 7) sintering: sintering the aluminum oxide ceramic blank in a resistance furnace to obtain an aluminum oxide ceramic finished product. The aluminum oxide ceramic composite powder is uniform in mixing and simple in process, and the sintered ceramic is good in mechanical property.
本发明公开了一种氧化铝陶瓷复合粉体的制备方法，步骤1）、氧化铝浆料配制：氧化铝粉100‑200份、添加剂粉5‑20份、分散剂3‑13份、超纯水150‑300份；步骤2）、粗磨：将配制好的氧化铝浆料用粗磨机研磨得粗磨浆料；步骤3）、细磨：将粗磨浆料过筛，放入细磨机中研磨得细磨浆料；步骤4）、喷雾造粒：将细磨浆料用喷雾干燥塔进行喷雾造粒得氧化铝复合粉体；步骤5）、压制成型：将氧化铝复合粉体经平板压片机压制成型得氧化铝陶瓷预制件；步骤6）、冷等静压：将氧化铝陶瓷预制件经冷等静压得氧化铝陶瓷坯；步骤7）、烧结：在电阻炉中将氧化铝陶瓷坯烧结得氧化铝陶瓷成品。本发明得到的氧化铝陶瓷复合粉体，混合均匀，工艺简单，烧结出来的陶瓷力学性能良好。
Preparation method of aluminum oxide ceramic composite powder
一种氧化铝陶瓷复合粉体的制备方法
ZHANG ZHIFENG (author) / CHEN FANGLOU (author) / ZHOU HAIDONG (author)
2020-10-02
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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