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Preparation method of zirconium-aluminum composite oxide and preparation method of composite ceramic substrate
The invention relates to the technical field of aluminum oxide composite ceramics, and particularly provides a preparation method of a zirconium-aluminum composite oxide and a preparation method of a composite ceramic substrate. The preparation method of the zirconium-aluminum composite oxide comprises the following steps: adding pseudo-boehmite into a zirconium salt aqueous solution with the concentration of 0.5-1.2 mol/L, gradually adding deionized water while stirring, continuously stirring for 5-15 hours after adding, adding a dispersing agent, and continuously stirring for 4-10 hours to obtain first slurry; and sieving the first slurry with a 200-mesh sieve, drying until the moisture content is less than or equal to 5%, heating to 550-700 DEG C, calcining for 2-4 hours, cooling, crushing and sieving to obtain the catalyst. The composite ceramic substrate is obtained by carrying out ball milling, spray drying, compression molding, isostatic pressing, microwave drying and roasting on zirconium-aluminum composite oxide and yttrium oxide powder, and has the characteristics of high strength and high fracture toughness.
本申请涉及氧化铝复合陶瓷技术领域，具体提供一种锆铝复合氧化物的制备方法、复合陶瓷基板的制备方法。锆铝复合氧化物的制备方法，将拟薄水铝石加入到浓度为0.5~1.2mol/L的锆盐水溶液中，搅拌下逐渐加入去离子水，加完继续搅拌5~15小时，加入分散剂后继续搅拌4~10小时，获得第一浆料；第一浆料过200目筛后干燥至水分含量≤5%，再升温至550~700℃煅烧2~4小时，降温，粉碎，过筛，即得。复合陶瓷基板由锆铝复合氧化物和氧化钇粉体经过球磨、喷雾干燥、压制成型、等静压、微波干燥和焙烧后获得，具有强度高、断裂韧性高的特点。
Preparation method of zirconium-aluminum composite oxide and preparation method of composite ceramic substrate
The invention relates to the technical field of aluminum oxide composite ceramics, and particularly provides a preparation method of a zirconium-aluminum composite oxide and a preparation method of a composite ceramic substrate. The preparation method of the zirconium-aluminum composite oxide comprises the following steps: adding pseudo-boehmite into a zirconium salt aqueous solution with the concentration of 0.5-1.2 mol/L, gradually adding deionized water while stirring, continuously stirring for 5-15 hours after adding, adding a dispersing agent, and continuously stirring for 4-10 hours to obtain first slurry; and sieving the first slurry with a 200-mesh sieve, drying until the moisture content is less than or equal to 5%, heating to 550-700 DEG C, calcining for 2-4 hours, cooling, crushing and sieving to obtain the catalyst. The composite ceramic substrate is obtained by carrying out ball milling, spray drying, compression molding, isostatic pressing, microwave drying and roasting on zirconium-aluminum composite oxide and yttrium oxide powder, and has the characteristics of high strength and high fracture toughness.
本申请涉及氧化铝复合陶瓷技术领域，具体提供一种锆铝复合氧化物的制备方法、复合陶瓷基板的制备方法。锆铝复合氧化物的制备方法，将拟薄水铝石加入到浓度为0.5~1.2mol/L的锆盐水溶液中，搅拌下逐渐加入去离子水，加完继续搅拌5~15小时，加入分散剂后继续搅拌4~10小时，获得第一浆料；第一浆料过200目筛后干燥至水分含量≤5%，再升温至550~700℃煅烧2~4小时，降温，粉碎，过筛，即得。复合陶瓷基板由锆铝复合氧化物和氧化钇粉体经过球磨、喷雾干燥、压制成型、等静压、微波干燥和焙烧后获得，具有强度高、断裂韧性高的特点。
Preparation method of zirconium-aluminum composite oxide and preparation method of composite ceramic substrate
一种锆铝复合氧化物的制备方法、复合陶瓷基板的制备方法
ZHENG SIYU (author)
2024-01-09
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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