用CaO-MgO-SiO2玻璃(CMS-G)和TiO2为烧结助剂,在1450℃下实现了氧化铝陶瓷的致密烧结.探讨了CMS-G和TiO2质量百分含量对氧化铝陶瓷烧结性能、显微结构以及其烧结动力学的影响.结果表明:CMS-G和TiO2可有效促进氧化铝陶瓷的致密化,当CMS-G含量为3%、TiO2含量为1%时,氧化铝陶瓷的相对密度达到98.25%;液相烧结激活能为113.4kJ/mol,表明扩散控制了烧结过程.
参考文献
| [1] | 史国普,王志,侯宪钦,孙翔,俎全高,徐秋红.低温烧结氧化铝陶瓷[J].济南大学学报（自然科学版）,2007(01):17-19. |
| [2] | 刘于昌,黄晓巍.CuO+TiO2复相添加剂对氧化铝陶瓷烧结性能和显微结构的影响及其烧结动力学分析[J].现代技术陶瓷,2006(01):9-12,16. |
| [3] | Xue L A;Chen I W .Low-temperature sintering of alumina with liquid-forming additives[J].Journal of the American Ceramic Society,1991,74:2011. |
| [4] | Nakajima A.;Messing GL. .Liquid-phase sintering of alumina coated with magnesium aluminosilicate glass[J].Journal of the American Ceramic Society,1998(5):1163-1172. |
| [5] | Sathiyakumar M;Gnanam F D .Influence of MnO and TiO2 additives on density,micrastructure and mechanical properties of Al2O3[J].Ceramics International,2002,28:195-200. |
| [6] | Kwon O H;Messing G L .Kinetic analysis of solution-precipitation during liquid-phase sintering of alumina[J].Journal of the American Ceramic Society,1990,73(02):275-281. |
| [7] | Singh V K .Densification of alumina and silica in the presence of a liquid phase[J].Journal of the American Ceramic Society,1981,64:133-138. |
| [8] | 陆佩文.无机材料科学基础[M].武汉:武汉工业大学出版社,1996 |
| [9] | Riebling E F .Structure of magnesium aluminosilicate liquids at 1700℃[J].Canadian Journal of Chemistry,1964,42(12):2811-2821. |
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