Strain Transfer and Creep in All-Quartz Packaged SAW Strain Sensors

被引：0
|
作者：
Kalinin, V. [1 ]
Leigh, A. [1 ]
Nowell, A. [1 ]
Pilgrim, C. [1 ]
机构：
[1] Transense Technol Plc, Bicester, Oxon, England
来源：
2018 IEEE INTERNATIONAL FREQUENCY CONTROL SYMPOSIUM (IFCS) | 2018年
关键词：
strain sensor; strain creep; strain relaxation; SAW resonator; SAW resonant strain sensor;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Design of the all-quartz package (AQP) for a resonant SAW strain sensing element is discussed and strain transfer to the surface of the SAW substrate is studied. Analytical results are compared with the FEA results. Based on the analytical model, creep and relaxation of strain on top of the SAW substrate is simulated using a viscoelastic model for the bond and the AQP frame adhesives. An experimentally observed anomalous creep of the resonant frequencies under a constant load is explained theoretically.
引用
收藏
页码：360 / 365
页数：6
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