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压电传感材料与结构的变形传递模型
引用本文:张奔牛,张俊乾.压电传感材料与结构的变形传递模型[J].重庆大学学报(自然科学版),2000,23(4):38-43.
作者姓名:张奔牛  张俊乾
作者单位:重庆大学智能结构研究中心!重庆400044
基金项目:国家自然科学基金重点项目! (596351 4 0 ),面上项目 !(5950 30 0 3)资助
摘    要:对结构材料与压电陶瓷传感器的应力应变传递关系进行了研究。根据剪应力滞后分析,提出了一种专门针对此智能材料的三层应力模型,得到了结构材料与传感器之间的应变传递因子,并通过计算机仿真实验,分析了粘接层和压电性质对应变传递应子的影响。

关 键 词:智能结构  压电传感  应变传递
修稿时间:

Deformation Transfer in Smart Structures with Integrated Piezoceramic Sensors
ZHANG Ben niu,ZHANG Jun qian,HUANG Shang lian.Deformation Transfer in Smart Structures with Integrated Piezoceramic Sensors[J].Journal of Chongqing University(Natural Science Edition),2000,23(4):38-43.
Authors:ZHANG Ben niu  ZHANG Jun qian  HUANG Shang lian
Abstract:The deformation transfer from the loaded material to the piezoceramic sensor bounded on the surface of structures is investigated. The strain transfer factor, k , is proposed for the characterization of the deformation transfer from the material measured to the sensor. A three layer model, which consists of the sensor, the adhesive and the material measured, is used for modelling of the deformation within the structure/sensor system. Using a shear lag stress analysis method, the strain field within the three layer structure is analyzed. The closed form expression for the strain transfer factor is derived by using the strain field obtained. The influences of the thickness and the elastic modulus of the sensor and the adhesive on the k are predicted and illustrated.
Keywords:intelligent structure  piezo-sensors  strain transfer
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