Method for producing shaped articles of ceramics

Method for producing shaped articles of ceramics

Forming a shaped article of polysilazane, contacting this shaped article with dry ammonia at a temperature of 20 DEG -200 DEG C. to thereby effect infusibilization, and finally subjecting the ammonia-treated product to further heat treatment at a higher temperature in a nitrogen atmosphere to thereb...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TAKEUCHI, HIROYUKI, SERITA, TAMIO
Format: Patent
Sprache:eng
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:Forming a shaped article of polysilazane, contacting this shaped article with dry ammonia at a temperature of 20 DEG -200 DEG C. to thereby effect infusibilization, and finally subjecting the ammonia-treated product to further heat treatment at a higher temperature in a nitrogen atmosphere to thereby produce a shaped ceramic article.