| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a high strength sialon ceramic porous body having excellent corrosion resistance, a manufacturing method thereof and an application thereof. <P>SOLUTION: The ceramic porous body is composed of single sialon crystal particles and has a structure in which a grain boundary phase does not exist consists essentially of silicon nitride, has a β-type sialon crystal phase formed by adding alumina and aluminum nitride or silica and aluminum nitride and sintering and has ≤2 μm average pore diameter, ≥35% porosity and ≥50 MPa bending strength. The manufacturing method thereof and a corrosion resistant filter member composed of the ceramic porous body are provided. <P>COPYRIGHT: (C)2003,JPO |
