Method for preparing microcrystal wear-resisting zirconia ball
A technology of zirconia balls and microcrystals, applied in the field of grinding media, can solve the problems of large one-time investment, large difference in particle size of ceramic balls, complicated operation, etc., and achieve the effect of large application range, high density and stable chemical properties
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[0030] Example 1
[0031] 1) Ingredients: 90Kg of zirconia powder, 1Kg of yttrium oxide powder, 0.05Kg of binder (PVA-99), mix the above-mentioned raw materials uniformly for use;
[0032] 2) According to the prior art, the raw materials are ball milled to a particle size of 0.5 μm by wet ball milling, milled out, and sprayed to granulate to obtain ultra-fine powder;
[0033] 3) Roll into balls according to the following steps: a. Preparation of seed balls: put 100Kg of superfine powder into the ball machine, add 15kg of water, stir and mix evenly, sieving, and prepare seed with a particle size of 0.3mm Ball; b. Ball rolling: Add seed balls to the rolling ball forming machine. When rolling forming, continuously add materials to the rolling ball forming machine according to the weight ratio of ultrafine powder to water 1:1; continuously detect the results during the rolling process The diameter of the ball is rolled for 30-35h to prepare a ceramic ball with a diameter of 50mm; it is ...
Example Embodiment
[0042] Example 2-4
[0043] The batching process is carried out in accordance with Table 1, and the others are the same as in Example 1.
[0044] Table 2 Example 6-8 Ingredient List
[0045] raw material name
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