Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Alumina porous ceramic with hierarchical porous structure and preparation method thereof
The invention discloses an alumina porous ceramic with a hierarchical porous structure and a preparation method thereof, and the preparation method of the alumina porous ceramic comprises the following steps: mixing boehmite powder, a sintering aid, a catalyst, a dispersant, a pH regulator and a solvent, and carrying out ball milling to obtain ceramic slurry; placing the ceramic slurry in a mold for standing, freezing, performing vacuum drying, and demolding to obtain a green body; and sintering the green body at 1000-1500 DEG C for 1-3 hours to obtain the aluminum oxide porous ceramic. The method for preparing the nanowire composite aluminum oxide porous ceramic comprises the following steps: putting the aluminum oxide porous ceramic into an impregnation solution for vacuum impregnation, preserving heat for curing the impregnation solution, and sintering at 1000-1500 DEG C to obtain the nanowire composite aluminum oxide porous ceramic, the alumina porous ceramic and the nanowire composite alumina porous ceramic have good high temperature resistance, excellent mechanical properties and high porosity, and can be used as fluid filtering materials.
本发明公开了一种分级多孔结构的氧化铝多孔陶瓷及其制备方法，氧化铝多孔陶瓷的制备方法包括以下步骤：将勃母石粉体、烧结助剂、催化剂、分散剂、pH调节剂和溶剂混合，球磨，得到陶瓷浆料；将陶瓷浆料置于模具中静置，冷冻，真空干燥，脱模，得到坯体；将坯体于1000～1500℃烧结1～3h，得到氧化铝多孔陶瓷。纳米线复合氧化铝多孔陶瓷的方法包括以下步骤：将所述氧化铝多孔陶瓷置于浸渍溶液中真空浸渍，保温，用于固化浸渍溶液，于1000～1500℃烧结，得到纳米线复合氧化铝多孔陶瓷，本发明的氧化铝多孔陶瓷和纳米线复合氧化铝多孔陶瓷均具有良好的耐高温性能、优异的力学性能和较高的孔隙率，能够被用作流体过滤材料。
Alumina porous ceramic with hierarchical porous structure and preparation method thereof
The invention discloses an alumina porous ceramic with a hierarchical porous structure and a preparation method thereof, and the preparation method of the alumina porous ceramic comprises the following steps: mixing boehmite powder, a sintering aid, a catalyst, a dispersant, a pH regulator and a solvent, and carrying out ball milling to obtain ceramic slurry; placing the ceramic slurry in a mold for standing, freezing, performing vacuum drying, and demolding to obtain a green body; and sintering the green body at 1000-1500 DEG C for 1-3 hours to obtain the aluminum oxide porous ceramic. The method for preparing the nanowire composite aluminum oxide porous ceramic comprises the following steps: putting the aluminum oxide porous ceramic into an impregnation solution for vacuum impregnation, preserving heat for curing the impregnation solution, and sintering at 1000-1500 DEG C to obtain the nanowire composite aluminum oxide porous ceramic, the alumina porous ceramic and the nanowire composite alumina porous ceramic have good high temperature resistance, excellent mechanical properties and high porosity, and can be used as fluid filtering materials.
本发明公开了一种分级多孔结构的氧化铝多孔陶瓷及其制备方法，氧化铝多孔陶瓷的制备方法包括以下步骤：将勃母石粉体、烧结助剂、催化剂、分散剂、pH调节剂和溶剂混合，球磨，得到陶瓷浆料；将陶瓷浆料置于模具中静置，冷冻，真空干燥，脱模，得到坯体；将坯体于1000～1500℃烧结1～3h，得到氧化铝多孔陶瓷。纳米线复合氧化铝多孔陶瓷的方法包括以下步骤：将所述氧化铝多孔陶瓷置于浸渍溶液中真空浸渍，保温，用于固化浸渍溶液，于1000～1500℃烧结，得到纳米线复合氧化铝多孔陶瓷，本发明的氧化铝多孔陶瓷和纳米线复合氧化铝多孔陶瓷均具有良好的耐高温性能、优异的力学性能和较高的孔隙率，能够被用作流体过滤材料。
Alumina porous ceramic with hierarchical porous structure and preparation method thereof
分级多孔结构的氧化铝多孔陶瓷及其制备方法
LIU SHAN (Autor:in) / YU HAIZHI (Autor:in) / MAO ZHIYONG (Autor:in)
07.01.2025
Patent
Elektronische Ressource
Chinesisch
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