Porous bodies and methods for their production

Porous bodies and methods for their production

The invention relates to a porous body, in particular a filter body or insulating body, a method for producing a porous body and to a use of crystalline silicon nitride, wherein a porous base body made of carbon or a ceramic material is infiltrated with a chemical vapour infiltration (CVI), the base...

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Hauptverfasser: GALLE, JOHANNES, BRENNFLECK, KARL
Format: Patent
Sprache:chi ; 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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creator GALLE, JOHANNES
BRENNFLECK, KARL
description The invention relates to a porous body, in particular a filter body or insulating body, a method for producing a porous body and to a use of crystalline silicon nitride, wherein a porous base body made of carbon or a ceramic material is infiltrated with a chemical vapour infiltration (CVI), the base body is infiltrated with silicon nitride (Si3N4), in which at least one surface layer is formed from silicon nitride inside pores of the base body when infiltrating the base body.
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subjects ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
title Porous bodies and methods for their production
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