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溶胶-凝胶法制备Ba_(0.6)Sr_(0.4)TiO_3陶瓷纤维
引用本文:宋双居,刘伟华,高书涛,翟学良,王春.溶胶-凝胶法制备Ba_(0.6)Sr_(0.4)TiO_3陶瓷纤维[J].化学研究与应用,2009,21(12).
作者姓名:宋双居  刘伟华  高书涛  翟学良  王春
作者单位:1. 河北农业大学理学院,河北,保定,071001
2. 河北师范大学实验中心,河北,石家庄,050016
摘    要:首次采用乙酰丙酮为钛醇盐的稳定剂,醋酸钡、醋酸锶和钛酸丁酯为原料,无水乙醇-冰醋酸作为溶剂,利用Sol-Gel法于1100℃得到单一钙钛矿相钛酸锶钡陶瓷纤维.用TG、XRD、SEM等手段对产物进行表征.

关 键 词:钛酸锶钡  纤维  溶胶-凝胶法  化学反应  热分析  微观结构

Preparation of Ba_(0.6)Sr_(0.4)TiO_3 ceramic fibers by sol-gel process
SONG Shuang-ju,LIU Wei-hua,GAO Shu-tao,ZHAI Xue-liang,WANG Chun.Preparation of Ba_(0.6)Sr_(0.4)TiO_3 ceramic fibers by sol-gel process[J].Chemical Research and Application,2009,21(12).
Authors:SONG Shuang-ju  LIU Wei-hua  GAO Shu-tao  ZHAI Xue-liang  WANG Chun
Abstract:Ba_(0.6)Sr_(0.4)TiO_3 gel fibers were firstly prepared by the sol-gel method in which acetylacetone was used as the stabilizer of titanate, barium acetate,strontium acetate and butyl titanate were used as starting materials, ethanol absolute-free acetic acid were used as solvent.The green fibers and those sintered at different temperatures were characterized by thermogravimetry analysis(TGA),X-ray diffraction(XRD)and scanning electron microscope(SEM)techniques. Perovskite barium strontium titanate ceramic fibers was crystallized at 1100℃.
Keywords:barium strontium titanate  fibers  sol-gel processs  chemical synthesis  thermal analysis  microstructure
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