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溶胶-凝胶法制备Al2O3-SiO2-ZrO2复合膜的成膜工艺研究
STUDY ON COATING TECHNIQUE OF Al2O3-SiO2-ZrO2 MEMBRANE PREPARED BY Sol-Gel
【摘要】 用溶胶-凝胶法制得了稳定透明的Al2O3-SiO2-ZrO2复合溶胶,并采用浸渍法镀膜工艺制备了复合膜。对该成膜工艺的研究表明,合理地控制焙烧条件,进行多次浸渍-干燥-焙烧过程,添加成膜助剂,选择浸渍时间是提高成膜质量的重要因素。对于添加PVA后的溶胶,当浸渍时间为16~36秒,经过四次涂膜后,采用1~3℃/min的升温速率,可获得较理想的复合膜。
【Abstract】 Transparent and stable Al2O3-SiO2-ZrO2 sols was prepared by sol-gel method.Dipping coating technique was used in the experiment.The results show that the fim surface is determined by sintering conditions,dipping-drying-sintering process,PVA and dipping time.Well-surfaced membrane can be obtained when the dipping time is 16 ̄30s,the sintering speed is 1~3℃/min and PVA is added.
- 【文献出处】 中国陶瓷 ,China Ceramics , 编辑部邮箱 ,2006年05期
- 【分类号】O611.3
- 【被引频次】5
- 【下载频次】298