SYNTHESIS OF PB(MG1/3NB2/3)O3 POWDER BY THE SPRAY PYROLYSIS WITH ULTRASONIC ATOMIZER

被引：0
|
作者：
KIM, BH
UEDA, K
SAKURAI, O
MIZUTANI, N
机构：
来源：
NIPPON SERAMIKKUSU KYOKAI GAKUJUTSU RONBUNSHI-JOURNAL OF THE CERAMIC SOCIETY OF JAPAN | 1992年 / 100卷 / 03期
关键词：
SYNTHESIS; SPRAY PYROLYSIS; PMN; ULTRASONIC ATOMIZER;
D O I：
暂无
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Lead nitrate, magnesium nitrate and niobium oxalate as raw materials were chosen and dissolved into distilled water with nitric acid. The mixed solution was sprayed with an ultrasonic atomizer and transported into an electric furnace heated at 750-degrees-C by the carrier gas of the composition N2: O2 = 4 : 1. The powder, the pyrolysis product, was collected in a filter paper by pumping. The obtained powders consist mainly of pyrochlore and a little PMN. A powder of single PMN phase was obtained by calcination of as-pyrolyzed powders at 750-degrees-C. The particles had spherical shape with a narrow size distribution and an average size of 0.36-mu-m.
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页码：246 / 249
页数：4
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