FREEZE-DRYING PROCESS FOR THE PREPARATION OF Ba_2Ti_9O_(20) POWDER

机译：制备Ba_2Ti_9O_（20）粉的冷冻干燥工艺

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Microwave dielectric materials of the Ba_2Ti_9O_(20) were prepared by the freezing-drying process. After freezing-drying, the precursor was sintered at 700°C-1200°C for 4hrs respectively, characterization of the product was using X-ray diffraction and TEM. At 1100°C, Ba_2TiO9O_(20) phase appeared, and at 1200°C, there existed only Ba_2Ti_9O_(20) and BaTi_4O_9 without BaTi_5O_(11) phase. Sintered at 1320°C, the sample compactly packed without large pores could be obtained.

机译：通过冷冻干燥法制备了Ba_2Ti_9O_（20）的微波介电材料。冷冻干燥后，将前体分别在700℃至1200℃下烧结4小时，使用X射线衍射和TEM对产物进行表征。在1100℃时出现Ba_2TiO9O_（20）相，在1200℃时仅存在Ba_2Ti_9O_（20）和BaTi_4O_9而没有BaTi_5O_（11）相。在1320℃下烧结，可以获得紧密堆积而没有大孔的样品。

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《Proceedings '96 China-Japan symjposium on particuology》|1996年|P.88|共1页
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Xue Junming; Li Chengen; Yin Zhiwen;
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正文语种
中图分类粉末技术;
关键词
freezing-drying barium titanate precursor dielectric materials;

机译：冷冻干燥钛酸钡前驱体电介质;

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4. FREEZE-DRYING PROCESS FOR THE PREPARATION OF Ba_2Ti_9O_(20) POWDER [C] . Xue Junming, Li Chengen, Yin Zhiwen Proceedings '96 China-Japan symjposium on particuology . 1996

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FREEZE-DRYING PROCESS FOR THE PREPARATION OF Ba_2Ti_9O_(20) POWDER

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