Method for manufacturing ceramic of multi-layer structure
A multi-layer structure and production method technology, applied in the field of ceramic production, can solve the problems of high production cost, complicated process, and many equipment, and achieve the effects of high yield, uniform structure, and high chromaticity
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[0036] Example 1
[0037] A method for manufacturing ceramics with a multilayer structure, the method comprising the following steps:
[0038] 1) Prepare ordinary ceramic tile blanks for use;
[0039] 2) Prepare a ceramic foam blank, the blank includes the following components in parts by weight:
[0040] 100 parts of silicon nitride powder, 3 parts of sintering aid, 0.5 part of dispersant, 10 parts of aqueous solution of carboxymethyl cellulose and konjac glucan, 20 parts of green body sintering shrinkage agent; 0.03 part of foaming agent;
[0041] 3) After the ordinary ceramic tile blank is formed, the ordinary ceramic tile blank is placed face down into the mold, and then the foamed ceramic blank is poured into the mold to form a multi-layered tile blank; the face-down scheme can avoid During the pressing process, ordinary ceramic tiles are damaged. Preferably, the thickness of ordinary ceramic tiles is less than 1 / 3 of the overall thickness.
[0042] 4) Semi-finished products are ob...
Example Embodiment
[0055] Example 2
[0056] A method for manufacturing ceramics with a multilayer structure, the method comprising the following steps:
[0057] 1) Prepare ordinary ceramic tile blanks for use;
[0058] 2) Prepare a ceramic foam blank, the blank includes the following components in parts by weight:
[0059] 120 parts of silicon nitride powder, 10 parts of sintering aids, 1.5 parts of dispersant, 15 parts of aqueous solution of carboxymethyl cellulose and konjac glucan, 150 parts of green body sintering shrinkage agent; 20 parts of foaming agent;
[0060] 3) After the ordinary ceramic tile blank is formed, the ordinary ceramic tile blank is placed face down into the mold, and then the foam ceramic blank is poured into the mold to form a multi-layered ceramic tile blank;
[0061] 4) Semi-finished products are obtained after drying the multi-layer structure of the tile blank;
[0062] 5) Ceramic tiles with multilayer structure formed by co-firing.
[0063] The common ceramic tile blank includes...
Example Embodiment
[0074] Example 3
[0075] A method for manufacturing ceramics with a multilayer structure, the method comprising the following steps:
[0076] 1) Prepare ordinary ceramic tile blanks for use;
[0077] 2) Prepare a ceramic foam blank, the blank includes the following components in parts by weight:
[0078] 110 parts of silicon nitride powder, 5 parts of sintering aids, 0.8 parts of dispersant, 11 parts of aqueous solution of carboxymethyl cellulose and konjac dextran, 50 parts of green body sintering shrinkage agent; 5 parts of foaming agent;
[0079] 3) After the ordinary ceramic tile blank is formed, the ordinary ceramic tile blank is placed face down into the mold, and then the foam ceramic blank is poured into the mold to form a multi-layered ceramic tile blank;
[0080] 4) Semi-finished products are obtained after drying the multi-layer structure of the tile blank;
[0081] 5) Ceramic tiles with multilayer structure formed by co-firing.
[0082] The common ceramic tile blank includes t...
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