| 中温烧结(Ca0.61,Nd0.26)(Ti0.98Sn0.02)O3微波介质陶瓷制备及介电性能 |
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| 引用本文： | 张启龙,孙慧萍,杨辉.中温烧结(Ca0.61,Nd0.26)(Ti0.98Sn0.02)O3微波介质陶瓷制备及介电性能[J].压电与声光,2010,32(4). |
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| 作者姓名： | 张启龙 孙慧萍 杨辉 |
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| 作者单位： | 浙江大学,材料科学与工程学系,浙江,杭州,310027 |
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| 摘 要： | 研究了添加不同CuO-H3BO3含量的(Ca0.61, Nd0.26)(Ti0.98Sn0.02)O3(CNT)陶瓷的烧结行为和介电性CuO-H3BO3 能促使陶瓷在1050 ℃致官烧结而不严重破坏其介电性能.添加5wt% CuO-H3BO3的CNT陶瓷在1050 ℃烧结后具有良好的微波介电性能: εr=92,Q×f =9 250 GHz,τf=+139×10-6/℃.
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| 关 键 词： | 微波陶瓷 低温烧结 介电性能 |
Preparation and Dielectric Properties of (Ca0.61,Nd0.26) (Ti0.98 Sn0.02)O3 Microwave Ceramics at Intermediate Sintering Temperature |
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| ZHANG Qilong,SUN Huiping,YANG Hui.Preparation and Dielectric Properties of (Ca0.61,Nd0.26) (Ti0.98 Sn0.02)O3 Microwave Ceramics at Intermediate Sintering Temperature[J].Piezoelectrics & Acoustooptics,2010,32(4). |
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| Authors: | ZHANG Qilong SUN Huiping YANG Hui |
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| Abstract: | Sintering behaviors and microwave dielectric properties of the (Ca0. 61, Nd0. 26)(Ti0. 98 Sn0. 02)O3(CNT) ceramics with different amounts of CuO-H3 BO3 addition had been investigated in this paper. The sintering temperature of CNT had been efficiently decreased by nearly 300 ℃ . No secondary phase was observed in the CNT ceramics and the complete solid solution of the complex perovskite phase was confirmed. CNT ceramics with small amounts of CuO-H3 BO3 could be well sintered at 1 050 ℃ for 2 h without much degradation in the microwave dielectric properties. Especially,CNT ceramics with the 5wt.% CuO-H3 BO3 sintered at 1 050 ℃ have optimum microwave dielectric properties of εr= 92,Q×f :9 250 GHz,and τf=+139×10-6/℃. |
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| Keywords: | microwave ceramics low-temperature sintering dielectric properties |
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