Contents
2023
Volume: 45 Issue 3
30 Article(s)

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Influence of Aperture of I.H.P. SAW Resonator on Performance
QIAN Yicong, SHUAI Yao, WU Chuangui, LUO Wenbo, PAN Xinqiang, and ZHANG Wanli
In this paper, the resonator performance of a small hammer structure with the interdigital end of the total aperture length on an Incredible High-performance surface acoustic wave (I.H.P. SAW) substrate is researched. On the substrate structure of Y42°-lithium tantalate (Y42°-LT)/SiO2/polysilicon (Poly-Si)/Si
Piezoelectrics & Acoustooptics
  • Publication Date: Dec. 05, 2023
  • Vol. 45, Issue 3, 350 (2023)
Effect of Al2O3 Thickness on the Acoustic Mode and Performance of SAW Sensors
LIU Qiang, LI Hongyuan, and XU Hong
This paper investigates the effect of the protective layer Al2O3 thickness on the acoustic characteristics and device performance in SAW high-temperature sensors with LGS as the piezoelectric substrate and Pt as the electrode using a multi-physics field coupled finite element model. The results show that the vibration
Piezoelectrics & Acoustooptics
  • Publication Date: Dec. 05, 2023
  • Vol. 45, Issue 3, 359 (2023)
Echo Detection Method for Reducing "Blind Area" of PMUT
WANG Guanghua, ZHANG Yuchao, HU Yimin, MIAO Bin, ZHANG Shiqin, ZHOU Hongyu, ZHAO Xiangyong, and LI Jiadong
Piezoelectrics & Acoustooptics
  • Publication Date: Dec. 05, 2023
  • Vol. 45, Issue 3, 363 (2023)
Characterization of Residual Stressin Thermostat Metal Based on Nonlinear Lamb Waves
HUANG Yonglin, HUANG Zhenfeng, MAO Hanling, LI Xinxin, WANG Haoyang, and CHEN Tianlai
The relationship between the nonlinear effect of Lamb wave and temperature and stress of thermostat metal strip is studied, and the nonlinear ultrasonic testing system is established, and the stress value is determined by X-ray diffraction method. Heat the thermostat metal to 100 ℃, 200 ℃ and 310 ℃ respectively for one
Piezoelectrics & Acoustooptics
  • Publication Date: Dec. 05, 2023
  • Vol. 45, Issue 3, 368 (2023)
Preparation and Properties of W6+Doped Pb(Sc, Nb)O3-Pb(Hf, Ti)O3 Ceramics
LEI Lei, BAI Xiaochun, KONG Zhizhan, CHEN Songbo, LI Liang, and LIANG Miao
Piezoelectrics & Acoustooptics
  • Publication Date: Dec. 05, 2023
  • Vol. 45, Issue 3, 379 (2023)
Study on Tape Casting and Low-Temperature Sintering of Al2O3 Microwave Dielectric Ceramics
LIANG Xue, and LI Zhao
In order to obtain microwave dielectric ceramics sintered at low temperature, the Al2O3-SiO2-(Li2O-B2O3-SiO2-CaO-Al2O3) system microwave dielectric ceramic powders were prepared by the solid-state sintering method in this paper, and the Polyvinyl Butyral (PVB), glycerol, herring oil, ethanol and ethyl acetate were adde
Piezoelectrics & Acoustooptics
  • Publication Date: Dec. 05, 2023
  • Vol. 45, Issue 3, 384 (2023)
Preparation and Piezoelectric Properties of BTO NWs/PVDF Flexible Composite Film
GUO Fan, LI Yinhui, MA Junge, LIANG Jianguo, and LI Pengwei
In this paper, the barium titanate nanowires (BTO NWs) were prepared by two-step hydrothermal method, then compounding with the polyvinylidene fluoride (PVDF) by spin coating method to prepare the BTO NWs/PVDF composite films. The effects of different NaOH concentrations, different reaction times and different BTO NWs
Piezoelectrics & Acoustooptics
  • Publication Date: Dec. 05, 2023
  • Vol. 45, Issue 3, 389 (2023)
Structural Design and Performance Analysis of a Traveling Wave Type Square-Hole Stator Ultrasonic Motor
ZHANG Dongsheng, and ZHANG Jingyang
Piezoelectrics & Acoustooptics
  • Publication Date: Dec. 05, 2023
  • Vol. 45, Issue 3, 408 (2023)
Analysis of Electrical Response of a Sawtooth Piezoelectric Beam
LU Qingshan, LIU Wenguang, CHEGN Long, GAO Mingyang, FENG Yiting, and CHEN Hongxia
Piezoelectrics & Acoustooptics
  • Publication Date: Dec. 05, 2023
  • Vol. 45, Issue 3, 414 (2023)
Electromechanical Theoretical Analysis and Frequency Simulation of 1-3-2 Piezoelectric Composites
LI Yang, WANG Hongwei, YU Zhaoxian, and XIA Lili
Piezoelectrics & Acoustooptics
  • Publication Date: Dec. 05, 2023
  • Vol. 45, Issue 3, 419 (2023)
Fiber Bragg Grating Methanol Sensor Based on Polymer Film
HE Chao, LIU Zhicheng, YAO Jiannan, WU Huihua, ZHONG Nianbing, ZENG Tan, TANG Huan, and XIE Quanhua
In order to achieve stable and accurate detection of methanol vapor concentration, a fiber Bragg grating (FBG) methanol sensor based on polymethyl methacrylate (PMMA) film was proposed. First, use hydrofluoric acid to etch part of the cladding layer, and coat a layer of PMMA film on the surface of the gate region. Then
Piezoelectrics & Acoustooptics
  • Publication Date: Dec. 05, 2023
  • Vol. 45, Issue 3, 439 (2023)
A Tilted Fiber Grating Sensor for Accurate Detection of H2 Concentration in Liquid Phase
WANG Rong, MA Yongjun, ZHONG Yong, WANG Xisu, WANG Jianxu, and ZHAO Mingfu
Piezoelectrics & Acoustooptics
  • Publication Date: Dec. 05, 2023
  • Vol. 45, Issue 3, 450 (2023)
Development and Applications of Intelligent Cable Embedded with Large Range Fiber Bragg Grating Sensor
HUANG Zhong, XU Xianzhong, DENG Yao, ZHOU Huaijian, SUN Yutao, and SHEN Quanxi
Aiming at the difficulty of cable force monitoring in the construction and operation stages of large-span spatial cable structures, based on the strain-sensitive characteristics of fiber grating, an intelligent cable embedded with large range of fiber grating sensors is developed by using the "prestress principle&
Piezoelectrics & Acoustooptics
  • Publication Date: Dec. 05, 2023
  • Vol. 45, Issue 3, 460 (2023)
Study on Closed-Loop Solving Strategy of Piezoelectric Ultrasonic Resonant Wind Sensor
ZENG Xiangbao, HU Yidong, WANG Lu, WANG Fei, LIAO Songlin, HU Yang, and YUAN Yupeng
In order to realize the high precision and high stability measurement of wind speed and direction in complex environment, the closed-loop control scanning technology is adopted on the basis of the wind sensor system based on the acoustic resonance principle, and the performance index of the system is greatly improved.
Piezoelectrics & Acoustooptics
  • Publication Date: Dec. 05, 2023
  • Vol. 45, Issue 3, 467 (2023)
Study on the Sensitivity Mechanism of Thermal Oscillator Type Biaxial MEMS Angular Velocity Gyro
PIAO Linhua, ZHANG Yan, TONG Jiacheng, and LI Bei
The sensitivity mechanism of a thermal oscillator type biaxial MEMS angular velocity gyro was revealed. The temperature field inside the sensitive structure was calculated on the basis of the biaxial sensitivity principle, the vibration mode of the thermal oscillator and the gyroscopic effect. The results show that: A
Piezoelectrics & Acoustooptics
  • Publication Date: Dec. 05, 2023
  • Vol. 45, Issue 3, 477 (2023)
[in Chinese]
Piezoelectrics & Acoustooptics
  • Publication Date: Dec. 05, 2023
  • Vol. 45, Issue 3, 1 (2023)
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