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材料工程  2012 

玻璃陶瓷Ba2TiSi2O8的制备研究

, PP. 21-23

Keywords: Ba2TiSi2O8,溶胶凝胶法,烧结,玻璃陶瓷

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Abstract:

Ba2TiSi2O8(BTS)玻璃陶瓷具有压电性、热释电性和非线性光学性能。采用溶胶凝胶法制备了BTS玻璃陶瓷,利用差热分析仪(DTA)分析了BTS干凝胶在煅烧过程中的化学反应及能量变化;X射线衍射仪(XRD)研究了BTS粉体的物相组成;激光粒度仪分析了BTS粉体的颗粒度;扫描电子显微镜(SEM)表征了BTS玻璃陶瓷样品断面的微观结构。研究结果表明合成BTS粉体的最佳温度为850℃,所得颗粒的平均粒径为1.73μm。1250℃烧结制得的BTS玻璃陶瓷表现出致密、孔少、均匀的外观性质。

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