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WAVE PROPAGATION IN PIEZOELECTRIC/PIEZOMAGNETIC LAYERED PERIODIC COMPOSITES
  • ISSN号：0894-9166
  • 期刊名称：《固体力学学报：英文版》
  • 时间：0
  • 分类：TB33[一般工业技术—材料科学与工程] TB301[一般工业技术—材料科学与工程]
  • 作者机构：[1]Insitute of Engineering Mechanics, Beijing Jiaotong University, Beijing 100044, China, [2]Department of Engineering Mechanics, Shijiazhuang Railway Institute, Shijiazhuang 050043, China, [3]Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China
  • 相关基金：Project supported by the National Natural Science Foundation of China （Nos.10672108 and 10632020） and the key project of the Ministry of Education of China （No. 206014）.
作者： Yu Pang[1], Jinxi Liu[2], Yuesheng Wang[1], Daining Fang[3]
关键词： 压磁, 压电, 复合材料, 结构崩馈, 主动控制, 非线性问题, 材料力学, piezoelectric/piezomagnetic composite, layered periodic structure, wave, dispersion behavior
中文摘要：

这份报纸在分层的周期的 composites 由组成涉及波浪繁殖的动态行为压电并且 piezomagnetic 阶段。兰姆波浪的分散关系被导出。分散曲线和排水量地与不同压电的体积部分被计算。分散弄弯的 BaTiO3/CoFe2O4 composites 表演的数字结果在一个盘子中类似于对称的兰姆波浪。交换在之间纵(即厚度) 模式和联合模式发生在在开始的二个分支的分散曲线之间的转线路点。随 BaTiO3 体积部分的增加，转线路点在一个更低的波浪数字出现，波浪速度更高。这些调查结果为磁电的变换器应用程序是有用的。

英文摘要：

This paper is concerned with the dynamic behaviors of wave propagation in layered periodic composites consisting of piezoelectric and piezomagnetic phases. The dispersion relations of Lamb waves axe derived. Dispersion curves and displacement fields are calculated with different piezoelectric volume fractions. Numerical results for BaTiO3/CoFe2O4 composites show that the dispersion curves resemble the symmetric Lamb waves in a plate. Exchange between the longitudinal （i.e. thickness） mode and coupled mode takes place at the crossover point between dispersion curves of the first two branches. With the increase of BaTiO3 volume fraction, the crossover point appears at a lower wave number and wave velocity is higher. These findings are useful for magnetoelectric transducer applications.

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期刊信息
  • 《固体力学学报：英文版》
  • 主管单位:
  • 主办单位:中国力学学会
  • 主编：郑泉水
  • 地址：武汉市珞喻路1037号华中科技大学南一楼西北508室
  • 邮编：430074
  • 邮箱：amss@mail.hust.edu.cn
  • 电话：027-87543737
  • 国际标准刊号：ISSN：0894-9166
  • 国内统一刊号：ISSN：42-1121/O3
  • 邮发代号:
  • 获奖情况:
  • 国内外数据库收录:
  • 被引量:133