本工作试图通过有机包覆的方法改善SiC粉在水中的表面胶体特性,制备高固相体积分数的SiC粉体悬浮液.以制备的悬浮液的固相体积分数为衡量标准,分别确定了APS和PAAM包覆过程最佳条件.(1)APS包覆:时间为5 h,温度90℃,APS的质量分数为5%,此条件下可以制得固相体积分数为45%的SiC悬浮液;(2)PAAM包覆:时间为5 h,温度30℃,AAM的质量分数为2%,在此条件下可以制得固相体积分数为50%的SiC悬浮液.
参考文献
| [1] | Sigmund W.M.;, .Novel powder-processing methods for advanced ceramics[J].Journal of the American Ceramic Society,2000(7):1557-1574. |
| [2] | 李懋强.关于陶瓷成型工艺的讨论[J].硅酸盐学报,2001(05):466-470. |
| [3] | 苗赫濯;司文捷.结构陶瓷胶态成型技术最新发展[A].,1995:187-192. |
| [4] | Joseph cesarano;llhan A Aksay .Processing of highly concentrated aqueousα-alumina suspensions stabilized with polyelectrolytes[J].Journal of the American Ceramic Society,1988,71(12):1062-1067. |
| [5] | William A.Ducker;Erik P.Luther;David R.Clarke .Effect of zwitterionic surfactants on interparticle forces, rheology, and particle packing of silicon nitride slurries[J].Journal of the American Ceramic Society,1997(3):575-583. |
| [6] | Kapsabelis S.;Prestidge CA. .Adsorption of ethyl(hydroxyethyl)cellulose onto silica particles: The role of surface chemistry and temperature[J].Journal of Colloid and Interface Science,2000(2):297-305. |
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