STUDY ON HIGH-TEMPERATURE PROPERTIES OF 1-3 PIEZOELECTRIC COMPOSITES

被引：0
作者：
Liu, Bin [1 ,2 ]
Wei, Qian [1 ,2 ]
Che, Cheng-xuan [1 ,2 ]
Cong, Jian-sheng [1 ,2 ]
机构：
[1] Chinese Acad Sci, Inst Acoust, Beijing 100190, Peoples R China
[2] Beijing Engn & Technol Res Ctr Deep Drilling Expl, Beijing 100190, Peoples R China
来源：
PROCEEDINGS OF THE 2019 14TH SYMPOSIUM ON PIEZOELECTRCITY, ACOUSTIC WAVES AND DEVICE APPLICATIONS (SPAWDA19) | 2019年
基金：
中国国家自然科学基金;
关键词：
Piezoelectric composites; High temperature properties; Experimental method; Frequency bandwidth; Echo responses;
D O I：
10.1109/spawda48812.2019.9019279
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
High temperature properties of 1-3 piezoelectric composite material sample were studied for borehole ultrasonic imaging logging. The pulse echo waveforms were measured from room temperature to 240 degrees C. The curves of echo peak values, the central frequency and bandwidth extracted from the corresponding frequency spectrum, with changing temperature were obtained. The results showed that the material can work steadily and continuously under 210 degrees C. This work will provide experimental data and basis for the development of high temperature ultrasonic transducers and borehole ultrasonic imaging logging tools.
引用
收藏
页码：171 / 174
页数：4
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