论述了在1500~1600℃温度下,烧结制备铸钢用增韧泡沫陶瓷过滤器的工艺.并在正交设计的基础上取样进行了X射线衍射分析,扫描电镜形貌观察及性能测试,从而获得了烧结制备铸钢用泡沫陶瓷过滤器的最佳配方.采用所制备的泡沫陶瓷过滤器对ZG45进行了过滤试验,结果表明,所制备的增韧泡沫陶瓷过滤器能够过滤净化钢液,过滤净化后的ZG45力学性能有显著改善. The process of sintering toughening ceramic foam filter at 1500 ~ 1600 ℃ was discussed, and X - ray diffraction analysis, SEM observation and performance test were taken on the basis of orthogonal design The best formula of sintered foam ceramic filter for cast steel was obtained.The filter experiment of ZG45 was carried out by the foam ceramic filter prepared.The results show that the toughened ceramic foam filter can filter the liquid steel, Purified ZG45 mechanical properties have significantly improved.