Patent ID: 7244685

Claim:
A silicon carbide porous body comprising silicon carbide particles which are aggregates and metallic silicon which is a bonding material, bonded together in such a manner that pores are retained between the silicon carbide particles and/or between the silicon carbide particle and metallic silicon, wherein an amorphous oxide phase containing oxides of silicon, aluminum, and strontium (SrO:Al 2 O 3 :SiO 2 ) in a ratio of (1.0:0.1:1.0) to (1.0:1.0:3.0) in terms of amount ratio (molar ratio) of each substance is buried in at least some of fine pore portions having a minimum distance of 10 μm or less between the surfaces of the silicon carbide particles or between the surfaces of the silicon carbide particle and metallic silicon among the pores, and a ratio of a total volume (pore volume of the fine pore portion) of portions in which the oxide phase is not buried among the fine pore portions is 20% or less with respect to a total volume (total pore volume) of portions in which the oxide phase is not buried among the pores including the fine pore portions.