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中文摘要：
采用海藻酸钠自组装凝胶法制备具有蜂窝陶瓷孔结构的YSZ（yttria．stabilised zirconia）多孔陶瓷。YSZ多孔陶瓷具有有序的平行排列直通孔孔道、较高孔隙率和较好的机械强度。结果表明：调整浆料的固相含量可以有效调控YSZ多孔陶瓷的显微结构和性能。当固相含量为5％（质量分数）时，样品孔密度高达25000cpsi，平均孔径、孔壁厚度和孔隙率分别为140gm、25pm和74．9％；随着固相含量逐渐增加，样品孔隙率和孔密度减少，孔壁厚度和机械强度增加；但当固相含量增加到20％时，样品形成了总孔隙率为79．6％的一种特殊多孔结构。
英文摘要：
Porous yttria-stabilized zirconia （YSZ） ceramics with honeycomb-like pore structures were prepared by an alginate self-assembly gelation method. The unidirectional and gradual diffusion of Ca2＋ ions into the alginate sol that contains YSZ particles result in the formation of highly ordered channels arranged parallel to the direction of diffusion. The obtained porous YSZ ceramics possess a uniform pore distribution and a high cell density of 25 000 cpsi （cells per square inch）. The average pore size, channel wall thickness and porosity of the sample are 140 ~tm, 25 lain and 74.9%, respectively. The microstructure and properties of porous YSZ ceramics are greatly affected by the initial solid loading of the slurries. When the solid loading is increased from 5% to 15%, the channel wall thickness and mechanical strength of the samples are greatly increased. Additionally, it is indicated that when the solid loading is further increased to 20%, the sample forms a special porous microstructure with a high total porosity of 79.6%.
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