Method for preparing high-compactness zirconium oxide ceramic knife raw material powder
A technology of zirconia ceramics and raw material powder, which is applied in the field of preparation of raw material powder for high-density zirconia ceramic knives, which can solve the problem of micropores in the knife body, and achieve the effect of improving density uniformity and stabilizing the dense structure
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Embodiment 1
[0032] A method for preparing high-density zirconia ceramic knife raw material powder is carried out according to the following steps:
[0033] (1) Prepare 1 part of base material, 0.0038 part of densifier, and 0.0096 part of surfactant in molar ratio;
[0034] The base material is a composition of zirconium oxychloride and yttrium nitrate, and the molar ratio of zirconium oxychloride to yttrium nitrate is 97:3;
[0035] The compacting agent is a composition of calcium metaborate, magnesium chloride and liquid sodium silicate, and the molar ratio of calcium metaborate, magnesium chloride and liquid sodium silicate is 1:0.5:0.4;
[0036] The surfactant is a composition of Pingpingjia and triethanolamine lauryl sulfate, and the molar ratio of Pingpingjia to triethanolamine lauryl sulfate is 1:5.
[0037] (2) Add zirconium oxychloride, yttrium nitrate, calcium metaborate, and magnesium chloride into deionized water and stir to dissolve completely to obtain solution A. The weight...
Embodiment 2
[0043] A method for preparing high-density zirconia ceramic knife raw material powder is carried out according to the following steps:
[0044] (1) Prepare 1 part of base material, 0.0032 part of densifier, and 0.0002 part of surfactant by molar ratio;
[0045] The base material is a composition of zirconium oxychloride and yttrium nitrate, and the molar ratio of zirconium oxychloride to yttrium nitrate is 97:3;
[0046] The compacting agent is a composition of calcium metaborate, magnesium chloride and liquid sodium silicate, and the molar ratio of calcium metaborate, magnesium chloride and liquid sodium silicate is 1:1:1.2;
[0047] Described tensio-active agent is the composition of Pingpingjia and triethanolamine lauryl sulfate, and the mol ratio of Pingpingjia and triethanolamine lauryl sulfate is 1:4;
[0048] (2) Add zirconium oxychloride, yttrium nitrate, calcium metaborate, and magnesium chloride into deionized water and stir to dissolve completely to obtain solution...
Embodiment 3
[0054] A method for preparing high-density zirconia ceramic knife raw material powder is carried out according to the following steps:
[0055] (1) Prepare 1 part of base material, 0.0066 part of compacting agent, and 0.018 part of surfactant in molar ratio;
[0056] The base material is a composition of zirconium oxychloride and yttrium nitrate, and the molar ratio of zirconium oxychloride to yttrium nitrate is 97:3;
[0057] Described compacting agent is the composition of calcium metaborate, magnesium chloride and liquid sodium silicate, and the molar ratio of calcium metaborate, magnesium chloride, liquid sodium silicate is 1:1.3:1;
[0058] Described tensio-active agent is the composition of Pingpingjia and triethanolamine lauryl sulfate, and the mol ratio of Pingpingjia and triethanolamine lauryl sulfate is 1:5;
[0059](2) Add zirconium oxychloride, yttrium nitrate, calcium metaborate, and magnesium chloride into deionized water and stir to dissolve completely to obtai...
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