| 摘要 |
PURPOSE:To improve oxidation resistance at high temperature, corrosion resistance and mold release property of a mold by forming nitride-based ceramics consisting of AlN or Si3N4 and BN. CONSTITUTION:Nitride-based ceramics obtained by mixing 50-90wt.% AlN or Si3N4) with 50-10wt.% BN is subjected to preliminary pressing and calcined and then ground into desired dimensions and then fired. |
