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压电陶瓷晶体迟滞特性的本构关系研究
  • ISSN号：1004-132X
  • 期刊名称：《中国机械工程》
  • 时间：0
  • 分类：TN384[电子电信—物理电子学] TH140.7[机械工程—机械制造及自动化;一般工业技术—材料科学与工程]
  • 作者机构：[1]华中科技大学数字制造装备与技术国家重点实验室,武汉430074
  • 相关基金：国家重点基础研究发展计划（973计划）资助项目（2009CB724200）;国家自然科学基金资助重点项目（51035002）
作者： 秦海辰[1], 尹周平[1]
关键词： 压电陶瓷, 迟滞特性, 本构关系, Helmholtz自由能, piezoceramic, hysteresis, constitutive relation, Helmholtz free energy
中文摘要：

从能量的角度出发，运用本构方法，以热力学唯象理论为基础，通过对压电陶瓷晶体Helmholtz自由能关系进行推导而得出压电晶体的电场强度E与极化强度P的本构关系。与实验结果的对比分析表明，所推导的E—P本构关系能够较为准确地在宏观上描述压电陶瓷晶体的迟滞特性。最后结合实验数据和E—P迟滞曲线对压电陶瓷晶体的Helmholtz自由能和电滞回线进行了分析和讨论。

英文摘要：

Based on the thermodynamics phenomenological theory, a hysteresis constitutive relation of the electric field （E） and polarization （P） was deduced by analyzing the Helmholtz free energy relation of piezoceramic. The experimental hysteresis curve were compared with the academic calculation. The results presented in the hysteresis constitutive relation can describe accurately the hysteretic behavior on a macro-scale. Additionally, the Helmholtz free energy and hysteretic loop were discussed by analyzing experimental data and curves.

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期刊信息
  • 《中国机械工程》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中国机械工程学会
  • 主编：董仕节
  • 地址：湖北工业大学772信箱
  • 邮编：430068
  • 邮箱：paper@cmemo.org.cn
  • 电话：027-87646802
  • 国际标准刊号：ISSN：1004-132X
  • 国内统一刊号：ISSN：42-1294/TH
  • 邮发代号:38-10
  • 获奖情况:
  • 1997年获中国科协期刊一等奖，第二届全国优秀科技...,机械行业优秀期刊一等奖,1999年获首届国家期刊奖,2001年获首届湖北十大名刊,中国期刊方阵“双高”期刊,2003第二届国家期刊奖提名奖,百种中国杰出学术期刊
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  • 被引量:50788