The flexural strength and toughness for the-hotpressed composi-tes,containing 15 vol% SiC whiskers and 25% vol% ZrO_2,can be increased by20% and 30% respectively in comparison with zirconia-toughened mullite ceramicswithout whiskers or fibres.

• 热压烧结的莫来石/25vol%25 ZrO_2/15vol%25Al_2O_3(f)与增韧莫来石(ZTM)相比,室温强度、韧性分别提高近20%25、30%25。