This paper studies the in-situ toughening of the alumina foamed ceramics from the perspectives of percentage of water absorption of biscuits,viscosity of sol and impregnation technique.

• 从素烧坯体吸水率、溶胶粘度、浸渍工艺三个方面对氧化铝质泡沫陶瓷的原位增韧进行了研究。