Monolithic honeycomb structure of porous ceramic material and use as a particle filter

A monolithic structure of the honeycomb type used in particular as a particle filter for the exhaust gas of diesel engines, consists of a solid having a plurality of channels opening on the end faces of said monolith, but alternately opened and closed, said monolith consisting of a porous refractory material comprising: - from 70 to 97% by alpha crystallographic-type silicon carbide mass and / or having at least one grain size and preferably at least two granulometries- and 3 to 30% by weight of at least one bonding ceramic phase in the form of a micronic powder or particles obtained by atomization, comprising at least one simple oxide for example selected from B2 O3, Al2 O3, SiO2, MgO, K2 O, Li2 O, Na2 O, CaO, BaO, TiO2, ZrO2 and Fe2 O3 and / or at least one mixed oxide chosen for example from alkali metal aluminosilicates (Li, Na, or K) or alkaline earth (Mg, Ca, Sr or Ba ), the clays the bentonite, feldspars or other natural silico-aluminous materials. The manufacture of monolith implements a step of calcining in an atmosphere containing oxygen at a temperature up to 1650 degreC, but preferably less than 1550 degreC.