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作者:

Du, Xinyu (Du, Xinyu.) | Ji, Lingfei (Ji, Lingfei.) (学者:季凌飞) | Jiang, Yijian (Jiang, Yijian.) (学者:蒋毅坚)

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EI Scopus SCIE

摘要:

Dense tungsten bronze Sr1.86Ca0.14NaNb5O15 piezoelectric ceramic is prepared by CO2 laser sintering method of 8 minute duration. Dielectric examination of permittivity disclose, the laser sintered ceramic second phase transition temperature (Ts) occurs at lower temperature than furnace sintered ceramic Ts. The observed XRD spectra indicate crystallographic orientation of the c-axes as being perpendicular to the laser beam. The laser sintered Sr1.86Ca0.14NaNb5O15 ceramic demonstrates piezoelectric properties for: maximum reached polarization and remnant polarization, Pm = 8.9 C/cm2 and Pr= 3.1 C/cm2, coercive field Ec = 10.1 kV/cm, electromechanical coupling coefficient k33= 27%. The piezoelectric constant d33 = 93 pC/N.

关键词:

14NaNb5O15 ceramic 86Ca0 Dielectric properties laser sintering piezoelectric properties Sr1 tungsten bronze

作者机构:

  • [ 1 ] [Du, Xinyu]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Ji, Lingfei]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Jiang, Yijian]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China

通讯作者信息:

  • 蒋毅坚

    [Jiang, Yijian]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China

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来源 :

FERROELECTRICS

ISSN: 0015-0193

年份: 2010

卷: 402

页码: 163-167

0 . 8 0 0

JCR@2022

ESI学科: PHYSICS;

JCR分区:4

中科院分区:4

被引次数:

WoS核心集被引频次: 1

SCOPUS被引频次: 2

ESI高被引论文在榜: 0 展开所有

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