Stoichiometric perovskite lead magnesium niobate ceramics produced by reaction-sintering process

被引：0
|
作者：
Chen, JH [1 ]
Liou, YC [1 ]
Tseng, KH [1 ]
机构：
[1] Kun Shan Univ Technol, Dept Elect Engn, Tainan, Taiwan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 2003年 / 42卷 / 01期
关键词：
lead magnesium niobate; reaction-sintering process;
D O I：
10.1143/JJAP.42.175
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Stoichiometric Pb(Mg1/3Nb2/3)O-3 perovskite ceramics produced by a reaction-sintering process are investigated. Without calcination, the mixture of PbO, Mg(NO3)(2) and Nb2O5 was pressed and sintered directly with and without a 950degreesC/2 h stage. Stoichiometric PMN ceramics of 100% perovskite phase are obtained after 1200-1270degreesC sintering with a 950degreesC/2h stage. Without the 950degreesC/2 h stage, 100% perovskite phase PMN ceramics are also obtained after 1 h, 2 h and 4 h sintering at 1250degreesC and 1270degreesC. PMN ceramics with density 8.09 g/cm(3) and K-max 19900 under 1 kHz are obtained by a reaction-sintering process.
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收藏
页码：175 / 181
页数：7
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