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1. (WO2018166735) POROUS BODY AND METHOD FOR THE PRODUCTION THEREOF

Pub. No.:    WO/2018/166735    International Application No.:    PCT/EP2018/053668
Publication Date: Fri Sep 21 01:59:59 CEST 2018 International Filing Date: Thu Feb 15 00:59:59 CET 2018
IPC: C23C 16/04
C23C 16/34
Applicants: SCHUNK KOHLENSTOFFTECHNIK GMBH
Inventors: BRENNFLECK, Karl
GALLE, Johannes
Title: POROUS BODY AND METHOD FOR THE PRODUCTION THEREOF
Abstract:
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.