Preparation method of high-strength open-cell zirconium oxide foamed ceramic

The invention relates to a preparation method of high-strength open-cell zirconium oxide foamed ceramic, which comprises the following steps: (1) preparing water-based ceramic slurry with the solid phase content of 15-35 vol.% by taking zirconium oxide powder and gel as raw materials; (2) adding a foaming agent into the obtained water-based ceramic slurry, uniformly dispersing, adjusting the pH value of the slurry to 7.8-8.5, and mechanically stirring and foaming to obtain foam slurry; the foaming agent is a composite foaming agent obtained by premixing a cationic surfactant and an anionic surfactant; (3) injecting the obtained foam slurry into a mold, curing, demolding and drying to obtain a zirconium oxide foam ceramic green body; and (4) sintering the obtained zirconium oxide foamed ceramic green body at 1200-1600 DEG C for 1-10 hours to obtain the high-strength open-cell zirconium oxide foamed ceramic. 本发明涉及一种高强度开孔氧化锆泡沫陶瓷的制备方法，包括：（1）以氧化锆粉体和凝胶剂为原料，配制固相含量为15vol.％～35vol.％的水基陶瓷浆料；（2）在所得水基陶瓷浆料中加入发泡剂分散均匀后，调节浆料p