探索了以淀粉作为粘结剂和造孔剂来制备多孔陶瓷的淀粉固结工艺,制成的多孔陶瓷的密度为0.804～1.032g/cm3,孔隙率为65.6%～73.2%.研究表明,陶瓷浆料具有剪切变稀的特性,且随淀粉含量的增加,浆料的粘度上升;另外,淀粉含量、烧成温度、保温时间等对材料孔隙率、体积密度等有很大影响.
参考文献
| [1] | Montanaro L;Jorand R;Fantozzi et al.Ceramic foams by powder processing[J].Journal of the European Ceramic Society,1998,18:1339-1350. |
| [2] | I. Nettleship .Applications of Porous Ceramics[J].Key engineering materials,1996(122/124):305-324. |
| [3] | Sepulveda P .Gelcasting foams for porous ceramics[J].American Ceramic Society Bulletin,1997,76(10):61-65. |
| [4] | 刘学建,黄莉萍,古宏晨,徐鑫,FU Xi-Ren,符锡仁.氮化硅陶瓷直接凝固注模成型的凝固动力学[J].无机材料学报,2000(05):862-866. |
| [5] | Novak S;Kosmac T;Krnel K.Principles of the hydrolysis assisted solidification (HAS)process for forming ceramic bodies from aqueous suspensions[J].Journal of the European Ceramic Society,2002(02):289. |
| [6] | 高濂;孙静;刘阳桥.纳米粉体的分散及表面改性[M].北京:化学工业出版社,2003 |
| [7] | Tynova E.;Pabst W.;Mikac J. .Starch swelling and its role in modern ceramic shaping technology[J].Macromolecular symposia,2003(0):295-300. |
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