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材料工程  2005 

PMSZT压电陶瓷材料的性能研究

, PP. 48-52

Keywords: 三元系压电陶瓷,相组成,显微结构,电性能,温度稳定性

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Abstract:

以固态氧化物为原料,采用二次合成工艺制备PMS-PZT三元系压电陶瓷。研究组成为Pb1.04(Mn1/3Sb2/3)0.05ZrxTi0.95-xO3的压电陶瓷的相组成、显微结构、电性能以及温度稳定性。结果表明合成温度900℃保温2h,可以得到钙钛矿结构。烧结温度1240℃保温2h时,综合性能达最佳值εT33/ε=1420,d33=324pC/N,Kp=62%,Qm=2400,tanδ=0.0029。烧成温度影响谐振频率的变化率。提高烧成温度可以使正温范围的变化率提高,负温范围的变化率降低。

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