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The invention discloses a silicon carbide porous ceramic material and a preparation method of the silicon carbide porous ceramic material. The preparation method comprises the following steps of firstly performing mechanical stirring on water glass, silicon carbide powder and water; then, performing ball milling to prepare slurry; next, immersing and hanging the slurry onto a template to obtain a pre-formed body; preserving the temperature for 24 to 36h at 40 to 100 DEG C; obtaining primarily solidified porous ceramics; finally, performing heating and heat preservation to obtain a finished product. The cost of the method is low; the prepared porous ceramic hole diameter and the porosity are controllable; the intensity is high; the chemical stability is high.
The invention discloses a silicon carbide porous ceramic material and a preparation method of the silicon carbide porous ceramic material. The preparation method comprises the following steps of firstly performing mechanical stirring on water glass, silicon carbide powder and water; then, performing ball milling to prepare slurry; next, immersing and hanging the slurry onto a template to obtain a pre-formed body; preserving the temperature for 24 to 36h at 40 to 100 DEG C; obtaining primarily solidified porous ceramics; finally, performing heating and heat preservation to obtain a finished product. The cost of the method is low; the prepared porous ceramic hole diameter and the porosity are controllable; the intensity is high; the chemical stability is high.
Silicon carbide porous ceramic material and preparation method of silicon carbide porous ceramic material
2015-12-30
Patent
Electronic Resource
English
IPC:
C08L
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
,
Massen auf Basis makromolekularer Verbindungen
/
C04B
Kalk
,
LIME
/
C08K
Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe
,
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
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