Heat resistant material
AssigneeBulten-Kanthal Aktiebolag
InventorNils G. Schrewelius
Life of this patent
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Abstract
A heat resistant material comprising a recrystallized (self bound) skeleton of silicon carbide the pores of which are filled by infiltration of a heat resistant infiltration material, such as a silicon-molybdenum disilicide composition, so that the porosity is less than 5 % and preferably less than 2 %, the composition of the final material being such that the bending strength thereof at room temperature is at least 5 kp/mm.sup.2, and preferably above 10 kg/mm.sup.2, such as of the order of 20 kp/mm.sup.2.
Claims5
A heat resistant fixture for use in firing kilns comprising a porous skeleton of self-bonded silicon carbide, the pores of which are substantially filled with an impregnant containing molybdenum disilicide and from 10 to 60% by weight silicon, said fixture being hollow and having a supporting surface formed thereon.
Dependencies are inferred from the claim text.