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Ni-Cr添加对给定组分PZT陶瓷性能的影响
作者:朱兴文 孙振鹤 王鸿 
单位:上海科学技术大学材料科学系  上海科学技术大学材料科学系  上海科学技术大学材料科学系 
关键词:掺杂  机电耦合系数  机械品质因数  锗钛酸铅陶瓷 
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出版年,卷(期):页码:1992,20(6):532-536
DOI:
摘要:
探讨了Ni_2O_3-Cr_2O_3组合添加对含Fe_2O_3压电陶瓷性能的影响。实验得出,在给定组分中添加微量Ni_2O_2-Cr_7O_3将使材料性能变软。材料的介电常数(ε_(33)/ε_0)、机电耦合系数(K_p)和机械品质因数(Q_m)分别达到1500,0.597和230。文章分析了材料添加Ni_2O_3—Cr_2O_3后其性能变软的原因。
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Properties of PZT ceramic material containing Fe_2O_3 after doping with a small amount of Ni_2O_3-Cr_2O_3 are examined.The results show that the properties of the material doped with Ni-Cr are softened. The dielectric constant (ε_(33)/ε_0), electro-mechanical coupling coefficient (K_p) and quality factor (Q_m) are 1500, 0.597 and 230, respectively, after doping.The mechanism of the softened properties are also discussed.
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参考文献:
1 Jaffe B. Cook W R Jr, Jaffe H. Piezoelectric ceramics. Academic Press, 1971: 135 2 Burfort J C, Toyler G W. Poriar dielectrics and their applications. University of California Press, 1979:250 3 Phase Diagrams for Ceramists 1975 Supplement. Edited and Published by the American Ceramic Society, 1975:25 4 Phase Diagrams for Ceramists. Edited by the American Ceramic Society, 1987:43 5 Handbook of Chemistry and Physics. 55th Edition, Published by CRC Press, 1974~1975:B98 6 Revised by Sax N Irving, Lewis Richard J..The Hawley's Condensed Chemical Dictionary, Eleventh Edition, New York: Edited by VNR, 1987:280
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