Preparation method of zirconium oxide-mullite high-porosity ceramic material
A ceramic material and mullite technology, which is applied in the field of preparation of zirconia-mullite porous ceramic materials, can solve the problems of low high temperature strength and toughness, unreasonable structure, low use temperature, etc. Conducive to the effect of reducing and high porosity
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Embodiment 1
[0043] A kind of preparation method of zirconia-mullite ceramic material, concrete steps are as follows:
[0044] 1. Ingredients: calculated by weight percentage: zircon sand 48%, alumina 40%, yttrium oxide 4%, additive aluminum fluoride 8%, prepare alumina powder, zircon sand powder, yttrium oxide powder and Aluminum fluoride powder; weigh alumina powder, zircon sand powder, and yttrium oxide powder according to the proportioning requirements, and mix to obtain mixed powder; aluminum fluoride is used in step 6;
[0045] 2. According to the weight ratio of organic monomer: crosslinking agent: deionized water = 9:1:90 to prepare the premix, add 60 parts of the mixed powder in step 1 to the weight of 100 parts of the premix, and then add 0.5 parts Dispersant, then put into a high-energy ball mill for ball milling for 30 hours at a ball milling speed of 500 rpm to obtain a slurry;
[0046] 3. Filter out the slurry after ball milling, inject high elastic polyurethane foam with a ...
Embodiment 2
[0051] A kind of preparation method of zirconia-mullite ceramic material, concrete steps are as follows:
[0052] 1. Ingredients: by weight percentage: 48% zircon sand, 40% alumina, 6% yttrium oxide, 6% aluminum fluoride additive, prepare alumina powder, zircon sand powder, yttrium oxide powder and Aluminum fluoride powder; weigh alumina powder, zircon sand powder, and yttrium oxide powder according to the proportioning requirements, and mix to obtain mixed powder; aluminum fluoride is used in step 6;
[0053] 2. According to the weight ratio of organic monomer: crosslinking agent: deionized water = 9:1:90 to prepare the premix, add 80 parts of the mixed powder in step 1 to the weight of 100 parts of the premix, and then add 0.5 parts Dispersant, then put into a high-energy ball mill for ball milling for 24 hours at a ball milling speed of 600 rpm to obtain a slurry;
[0054] 3. Filter out the slurry after ball milling, inject high elastic polyurethane foam with a pore size o...
Embodiment 3
[0059] A kind of preparation method of zirconia-mullite ceramic material, concrete steps are as follows:
[0060] 1. Ingredients: calculated by weight percentage: zircon sand 48%, alumina 40%, yttrium oxide 4%, additive aluminum fluoride 8%, prepare alumina powder, zircon sand powder, yttrium oxide powder and Aluminum fluoride powder; weigh alumina powder, zircon sand powder, and yttrium oxide powder according to the proportioning requirements, and mix to obtain mixed powder; aluminum fluoride is used in step 6;
[0061] 2. According to the weight ratio of organic monomer: crosslinking agent: deionized water = 18:2:80 to prepare the premix, add 70 parts of the mixed powder in step 1 to the weight of 100 parts of the premix, and then add 1 part Dispersant, then put into a high-energy ball mill for ball milling for 30 hours at a ball milling speed of 650 rpm to obtain a slurry;
[0062] 3. Filter out the slurry after ball milling, inject high elastic polyurethane foam with a po...
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