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Journal articles on the topic 'Piezoelectric rings'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Fuentes Cruz, Martín, Pedro Acevedo Contla, D. Fabián García Nocetti, Adalberto Joel Durán Ortega, and Eduardo R. Moreno Hernández. "Estudio de la respuesta en frecuencia de la impedancia eléctrica en modo radial en anillos piezoeléctricos PZT-4 con fracturas." Revista de Investigación en Tecnologías de la Información 13, no. 29 (2025): 50–59. https://doi.org/10.36825/riti.13.29.005.

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Power ultrasonic transducers in industrial applications typically use Langevin-type transducers with PZT-4 piezoelectric rings. These piezoelectric rings are subjected to mechanical vibrations that fracture them. This paper describes a study of the radial mode frequency responses of fractures in piezoelectric ring-shaped elements. Four PZT-4 piezoelectric rings were used for this study. Ring 1 was preserved complete without alterations and the other 3 rings had slots of 1.0, 2.5 and 5.0 mm, respectively. Simulations were performed using Ansys Mechanical software, as well as the corresponding i

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2

Xiang, Wang, Wan Ping Chen, Wen Chao You, Helen Lai Wah Chan, and Long Tu Li. "Degradation of Lead Zirconate Titanate Piezoelectric Ceramics Induced by Water and AC Voltages." Key Engineering Materials 336-338 (April 2007): 367–70. http://dx.doi.org/10.4028/www.scientific.net/kem.336-338.367.

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A comparison experiment was conducted in which some lead zirconate titanate (PZT) piezoelectric ceramic rings were simply immersed in a 0.01 M NaOH solution while other PZT rings were immersed in the solution with a 50 Hz AC voltage applied between the electrodes of the rings and a counter electrode in the solution. Though the simple immersion showed no noticeable influence on the PZT rings, those PZT rings treated with the application of the AC voltage were obviously degraded in their piezoelectric properties. It was proposed that the degradation resulted from the collaborated reactions of at

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3

Jūrėnas, Vytautas, Gražvydas Kazokaitis, and Dalius Mažeika. "3DOF Ultrasonic Motor with Two Piezoelectric Rings." Sensors 20, no. 3 (2020): 834. http://dx.doi.org/10.3390/s20030834.

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A novel design of a multiple degrees of freedom (multi-DOF) piezoelectric ultrasonic motor (USM) is presented in the paper. The main idea of the motor design is to combine the magnetic sphere type rotor and two oppositely placed ring-shaped piezoelectric actuators into one mechanism. Such a structure increases impact force and allows rotation of the sphere with higher torque. The main purpose of USM development was to design a motor for attitude control systems used in small satellites. A permanent magnetic sphere with a magnetic dipole is used for orientation and positioning when the sphere i

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4

Hu, Jiuling, Lianjin Hong, Lili Yin, Yu Lan, Hao Sun, and Rongzhen Guo. "Research and Fabrication of Broadband Ring Flextensional Underwater Transducer." Sensors 21, no. 4 (2021): 1548. http://dx.doi.org/10.3390/s21041548.

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At present, high-speed underwater acoustic communication requires underwater transducers with the characteristics of low frequency and broadband. The low-frequency transducers also are expected to be low-frequency directional for realization of point-to-point communication. In order to achieve the above targets, this paper proposes a new type of flextensional transducer which is constructed of double mosaic piezoelectric ceramic rings and spherical cap metal shells. The transducer realizes broadband transmission by means of the coupling between radial vibration of the piezoelectric rings and h

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5

Engelke, Diana, Bernd Oehme, and Jens Strackeljan. "A Novel Drive Option for Piezoelectric Ultrasonic Transducers." Modelling and Simulation in Engineering 2011 (2011): 1–6. http://dx.doi.org/10.1155/2011/910876.

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This paper concentrates on ultrasonic transducers, which are driven by piezoelectric ceramic rings that are arranged in a stack. A novel drive option, where the stack contains a new type of divided piezoelectric rings, is analyzed using the finite element method, prototyped, and tested. To gain a better sense of the vibration behavior, the studies focus initially on one ring and subsequently on the different possibilities to assemble the transducer. The investigations point out that natural bending frequencies can be excited at the transducer. Thus, multiple vibration directions of the tip can

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6

Ramesh, R., and D. D. Ebenezer. "Analysis of Axially Polarized Piezoelectric Ceramic Rings." Ferroelectrics 323, no. 1 (2005): 17–23. http://dx.doi.org/10.1080/00150190500308454.

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7

Tzou, H. S., J. P. Zhong, and M. Natori. "Sensor Mechanics of Distributed Shell Convolving Sensors Applied to Flexible Rings." Journal of Vibration and Acoustics 115, no. 1 (1993): 40–46. http://dx.doi.org/10.1115/1.2930312.

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Observation spillover can introduce system instability to undamped distributed structural systems. This problem can be prevented via modal filtering using distributed piezoelectric modal sensors which are spatially shaped and convoluted such that they are only sensitive to specific modal mode(s). In this paper, detailed electro-mechanics—sensor mechanics—of spatially distributed piezoelectric shell convolving sensors are analyzed and results presented. It is observed that sensor sensitivity can be classified into two components: (1) the transverse modal sensitivity and (2) the membrane modal s

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8

FINIZIO, S., M. FOERSTER, C. A. F. VAZ, et al. "ELECTRICAL-FIELD CONTROL OF MAGNETISM MEDIATED BY STRAIN IN Ni NANOSTRUCTURES FABRICATED ON PRE-POLED PMN–PT (011)." SPIN 03, no. 03 (2013): 1340008. http://dx.doi.org/10.1142/s2010324713400080.

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We investigate the effects of piezoelectric-generated strain on the magnetization configuration of Ni nanostructures fabricated on pre-poled piezoelectric (011) [ Pb ( Mg 0.33 Nb 0.66) O 3]0.68–[ PbTiO 3]0.32 (PMN–PT) by high resolution X-ray microscopy. We observe a strong uniaxial anisotropy in the Ni nanostructures, due to the relaxation of the substrate following the deposition of the Ni . The anisotropy can be modified by the application of an electric field to the piezoelectric substrate (thus generating a piezoelectric strain in the system) through the magneto-elastic effect. By applyin

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9

Chen, Jung-San, Yen-Hsin Lo, and Yu-Siang Huang. "Torsional wave suppression in metashaft with shunted piezoelectric rings." AIP Advances 12, no. 1 (2022): 015221. http://dx.doi.org/10.1063/5.0076336.

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10

Shen, Ji Y., Meldon Human, Lonnie Sharpe Jr, and James T. S. Wang. "Alleviation of Deformation of Cylindrical Shell Using Piezoelectric Rings." Journal of Aerospace Engineering 12, no. 3 (1999): 92–97. http://dx.doi.org/10.1061/(asce)0893-1321(1999)12:3(92).

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11

Dong, Shuxiang, Jie-Fang Li, and D. Viehland. "Circumferentially magnetized and circumferentially polarized magnetostrictive/piezoelectric laminated rings." Journal of Applied Physics 96, no. 6 (2004): 3382–87. http://dx.doi.org/10.1063/1.1781764.

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12

Tessier, Sarah, Charles Croënne, Florian Allein, Jérôme Vasseur, and Bertrand Dubus. "Experimental elastic wave control in a piezoelectric phononic crystal with spatio-temporal modulation of electrical conditions." Journal of the Acoustical Society of America 151, no. 4 (2022): A42. http://dx.doi.org/10.1121/10.0010596.

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This work concerns the propagation of elastic waves in a piezoelectric phononic crystal made of several identical piezoelectric elements separated by electrodes. In such a structure, electrical conditions prescribed to the electrodes can be modulated in space and in time and therefore can strongly modify the dispersion curves of the phononic crystal. For example, a periodic grounding of the electrodes introduces a Bragg band gap which does not exist when the electrodes have a floating potential condition [Degraeve et al., J. Appl. Phys. 115, (2014)]. When the electrical conditions of the elect

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13

Tzou, H. S., W. K. Chai, and S. M. Arnold. "Structronics and Actuation of Hybrid Electrostrictive/Piezoelectric Thin Shells." Journal of Vibration and Acoustics 128, no. 1 (2005): 79–87. http://dx.doi.org/10.1115/1.2149397.

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Certain ferroelectric materials possess dual electrostrictive and piezoelectric characteristics, depending on their specific Curie temperatures. The nonlinear electro-mechanical effect of electrostrictive materials provides stronger actuation performance as compared with that of piezoelectric materials. Due to the complexity of the generic ferroelectric actuators, micro-electromechanics, structure-electronic (structronic) coupling and control characteristics of hybrid electrostrictive/piezoelectric dynamic systems deserve an in-depth investigation. In this study, dynamic electro-mechanical sys

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14

Chen, Cui Ying, Li Kun Wang, Lei Qin, Chao Zhong, and Jing Jing Zhou. "Analysis of Radial Thickness Vibration Modes of Piezoelectric Ceramic Ring Based on ANSYS." Advanced Materials Research 712-715 (June 2013): 1918–22. http://dx.doi.org/10.4028/www.scientific.net/amr.712-715.1918.

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According to the simulation by Finite Element Analysis (FEA) for rings with different sizes, how thickness vibration resonance frequency varying as piezoelectric ring structure changing is studied. The relation between thickness vibration mode and height, thickness and radius is obtained. The bandwidth of single circle being narrow has been obtained at the same time, so the method that two high frequency piezoelectric ring oscillators are stacked in axis direction and their structure are optimized to get two times as much as the monocyclic bandwidth is researched, according to the trend of sin

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15

Saviz, Mohammadreza. "Effects of piezoelectric rings on electro-elasto-dynamic behaviour of functionally graded cylindrical shell." Journal of Intelligent Material Systems and Structures 28, no. 2 (2016): 272–89. http://dx.doi.org/10.1177/1045389x16651154.

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A layer-wise finite element approach is adopted to analyse the hollow cylindrical shell made of functionally graded material with piezoelectric rings as sensor/actuator, under dynamic load. The mechanical properties of the substrate are regulated by volume fraction as a function of radial coordinate. The thickness of functionally graded material shell and piezo-rings is divided into mathematical sub-layers and then the general layer-wise laminate theory is formulated through introducing piecewise continuous approximations across the thickness, accounting for any discontinuity in derivatives of

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16

Piao, Chunguang, and Jin Oh Kim. "Vibration Characteristics of an Ultrasonic Transducer of Double Piezoelectric Rings." Transactions of the Korean Society for Noise and Vibration Engineering 27, no. 3 (2017): 343–52. http://dx.doi.org/10.5050/ksnve.2017.27.3.343.

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17

Faria, Alfredo Rocha de, and Sérgio Frascino Müller de Almeida. "Axisymmetric actuation of composite cylindrical thin shells with piezoelectric rings." Smart Materials and Structures 7, no. 6 (1998): 843–50. http://dx.doi.org/10.1088/0964-1726/7/6/012.

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18

Yu, JianGong, XiaoDong Yang, and Jean-Etienne Lefebvre. "Wave propagation in layered piezoelectric rings with rectangular cross sections." Journal of Mechanics of Materials and Structures 11, no. 3 (2016): 245–58. http://dx.doi.org/10.2140/jomms.2016.11.245.

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19

Rahnama, Reza. "Analyzing the piezoelectric rings resonance modes for bandwidth ultrasonic transducers." Microsystem Technologies 26, no. 6 (2020): 1925–29. http://dx.doi.org/10.1007/s00542-019-04745-0.

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20

Kaleta, Jerzy, Katarzyna Niemiec, and Przemysław Wiewiórski. "Testing Mechanical and Electrical Defects in Piezoceramic Materials Resulting from Ultrasonic Vibrations." Solid State Phenomena 240 (August 2015): 11–16. http://dx.doi.org/10.4028/www.scientific.net/ssp.240.11.

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The work presents recommendations related to the selection and installation of high power piezo ceramic rings dedicated to simultaneous power supply and data transmission for the purpose of extending life in their operation. Mechanical and electrical defects in piezoceramic elements of conical actuators were presented. The issue is important in the case when energy and information are transmitted at the same time using upper acoustic waves to autonomic wireless measurement nodes (WMN) in mechanical construction elements. A laboratory ultrasonic actuator was made and used to test ceramic rings.

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21

Dong, Jingshi, Yi Cao, Quanqu Chen, et al. "Performance of single piezoelectric vibrator micropump with check valve." Journal of Intelligent Material Systems and Structures 31, no. 1 (2019): 117–26. http://dx.doi.org/10.1177/1045389x19880024.

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A new single vibrator piezoelectric micropump which integrated the check valve and the piezoelectric oscillator is designed in this research. The micropump mainly consists of a circular piezoelectric vibrator, a polyethylene terephthalate check valve, two rubber sealing rings, upper pump cover, and lower pump cover. In this research, in order to study output performance of the single vibrator piezoelectric pump, theoretical analysis and experimental verification of the piezoelectric pump check valve have been carried out by exploiting the method of check valves and vibrator mass separation. Ex

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22

Andrade, M. A., R. C. Carbonari, F. Buiochi, and J. C. Adamowski. "Identification of piezoelectric complex parameters in rings for power ultrasound applications." IOP Conference Series: Materials Science and Engineering 42 (December 10, 2012): 012031. http://dx.doi.org/10.1088/1757-899x/42/1/012031.

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23

Hu, Shundi, Hua Li, and Hornsen Tzou. "Comparison of flexoelectric and piezoelectric dynamic signal responses on flexible rings." Journal of Intelligent Material Systems and Structures 25, no. 7 (2014): 832–44. http://dx.doi.org/10.1177/1045389x14521701.

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24

Guo, Jianzhong, Shuyu Lin, Chenghui Wang, and Zhiqiang Fu. "Radially Composite Ultrasonic Transducers of Piezoelectric Ceramic and Metal Circular Rings." Acta Acustica united with Acustica 98, no. 4 (2012): 555–66. http://dx.doi.org/10.3813/aaa.918537.

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25

Massaro, Alessandro, Stefano De Guido, Ilaria Ingrosso, et al. "Freestanding piezoelectric rings for high efficiency energy harvesting at low frequency." Applied Physics Letters 98, no. 5 (2011): 053502. http://dx.doi.org/10.1063/1.3551725.

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26

V, Levchenko, and Simchenko S. "Vibration of a piezoelectric ring plate with azimuthal cuttings of electrodes." Artificial Intelligence 30, AI.2025.30(1) (2025): 98–105. https://doi.org/10.15407/jai2025.01.098.

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In piezoelectric vibrators of circular configuration (disks and rings), the eigenmodes of axisymmetric oscillations, starting from the second eigenmode (at overtones), have nodal points in the form of concentric circles [3-10]. As a result of the emergence of tension and compression zones, the efficiency of the electromechanical coupling decreases. In order to avoid such a drawback, it was proposed [6] to cut the electrode coating along concentric circles. Published theoretical studies in this direction do not provide sufficient information for the analysis of this phenomenon, which is why the

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27

Xing, Qin, Jun Zhang, Min Qian, Zhen Yuan Jia, and Bao Yuan Sun. "Design and Optimization of a Piezoelectric Thrust-Measuring Platform for Attitude-Control Rocket Engines." Applied Mechanics and Materials 44-47 (December 2010): 1977–81. http://dx.doi.org/10.4028/www.scientific.net/amm.44-47.1977.

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A piezoelectric thrust-measuring platform with high natural frequency is developed for measuring the pulsed thrust generated by attitude-control rocket engines. It consists of two shear mode piezoelectric quartz crystal sensors and an integral shell. The sensors are inserted into the grooves of the elastic rings with an interference fit. Shell stiffness is calculated by energy method (EM) and finite element method (FEM). The shell is optimized for obtaining a good compromise between the sensitivity and frequency response. The stiffness and natural frequency after optimization are verified by e

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28

Lin, Shuyu. "Radial vibration of the composite ultrasonic transducer of piezoelectric and metal rings." IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control 54, no. 6 (2007): 1276–80. http://dx.doi.org/10.1109/tuffc.2007.381.

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29

Rossi, Anna, Chen Liang, and Craig A. Rogers. "Dynamic analysis of piezoelectric actuator‐driven circular rings using an impedance approach." Journal of the Acoustical Society of America 96, no. 3 (1994): 1592–97. http://dx.doi.org/10.1121/1.410237.

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30

Yu, J. G., Ch Zhang, and J. E. Lefebvre. "Guided wave characteristics in functionally graded piezoelectric rings with rectangular cross-sections." Acta Mechanica 226, no. 3 (2014): 597–609. http://dx.doi.org/10.1007/s00707-014-1197-y.

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31

Fellabaum, Chloe, Christopher Eadie, and Mark Fanton. "Direct ink writing of textured piezoelectric ceramics." Journal of the Acoustical Society of America 153, no. 3_supplement (2023): A195. http://dx.doi.org/10.1121/10.0018637.

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Textured ceramics are often formed via tape casting in order to align platelet particles in the preferred direction, allowing the ceramic to have properties approaching those of single crystals without the complexities of growing such a crystal. However, tape casting produces significant waste material, as flat plates are machined to produce the desired geometries, e.g., rings. Additive manufacturing reduces these issues by allowing the complex geometries to be formed in the green state, thus reducing waste and improving design freedom. This presentation will discuss progress to-date on direct

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32

Lee, Min-Ku, Byung-Hoon Kim, and Gyoung-Ja Lee. "Lead-Free Piezoelectric Acceleration Sensor Built Using a (K,Na)NbO3 Bulk Ceramic Modified by Bi-Based Perovskites." Sensors 23, no. 2 (2023): 1029. http://dx.doi.org/10.3390/s23021029.

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Piezoelectric accelerometers using a lead-free (K,Na)NbO3 (KNN) piezoceramic modified by a mixture of two Bi-based perovskites, Bi(Na,K,Li)ZrO3 (BNKLZ) and BiScO3 (BS), were designed, fabricated and characterized. Ring-shaped ceramics were prepared using a conventional solid-state reaction method for integration into a compression-mode accelerometer. A beneficial rhombohedral–tetragonal (R–T) phase boundary structure, especially enriched with T phase, was produced by modifying intrinsic phase transition temperatures, yielding a large piezoelectric charge coefficient d33 (310 pC/N) and a high C

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33

Mažeika, Dalius, Andrius Čeponis, and Daiva Makutėnienė. "A Cylinder-Type Multimodal Traveling Wave Piezoelectric Actuator." Applied Sciences 10, no. 7 (2020): 2396. http://dx.doi.org/10.3390/app10072396.

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Numerical and experimental investigations of a multimodal piezoelectric traveling wave actuator are presented. The actuator consists of a cylindrical stator with a conical hole and piezoceramic rings that are located at the node of the first longitudinal and second bending vibration modes; one piezoceramic ring is also placed at the bottom of the actuator. The actuator is clamped at the bottom using a special supporting cylinder and a ball bearing. Traveling-wave-type vibrations are excited at the top surface of the cylinder by employing a superposition of the first longitudinal and second ben

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34

Thorp, Owen, Massimo Ruzzene, and Amr Baz. "Attenuation of wave propagation in fluid-loaded shells with periodic shunted piezoelectric rings." Smart Materials and Structures 14, no. 4 (2005): 594–604. http://dx.doi.org/10.1088/0964-1726/14/4/018.

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35

Vozhzhov, Andrey, Eugene Pashkov, Vasiliy Golovin, and Pavel Florya. "Twin-cutter form turning of commutator rings using cutters’ progressive motion piezoelectric engines." MATEC Web of Conferences 129 (2017): 01071. http://dx.doi.org/10.1051/matecconf/201712901071.

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36

Saviz, M. R., M. Shakeri, and M. H. Yas. "Layerwise Finite Element Analysis of Laminated Cylindrical Shell with Piezoelectric Rings Under Dynamic Load." Mechanics of Advanced Materials and Structures 16, no. 1 (2009): 20–32. http://dx.doi.org/10.1080/15376490802544095.

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37

JIANG, Jing. "Independent Modal Control of Circular Rings Based on Non-contact Hybrid Photostrictive/piezoelectric Acutation Mechanism." Journal of Mechanical Engineering 48, no. 05 (2012): 49. http://dx.doi.org/10.3901/jme.2012.05.049.

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38

Dai, Shoubo, Yisheng Zheng, and Yegao Qu. "Programmable piezoelectric meta-rings with high-order digital circuits for suppressing structural and acoustic responses." Mechanical Systems and Signal Processing 200 (October 2023): 110517. http://dx.doi.org/10.1016/j.ymssp.2023.110517.

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39

Nguyen, Kien, Ibrahima Gueye, Steven Leake, Gwenael Le Rhun, Patrice Gergaud, and Nicolas Vaxelaire. "Grain to grain heterogeneity in PZT thin films as probed by in situ biasing XRD." Journal of Applied Physics 133, no. 4 (2023): 044102. http://dx.doi.org/10.1063/5.0128091.

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Piezoelectric thin films are particularly difficult to model at the grain scale. Moreover, this problem is sparsely experimentally documented due to the lack of adequate methods. Here, an original methodology is proposed to study the behavior of single grains during in situ biasing. Pb(Zr,Ti)O3 films have been evaluated thanks to an in situ biasing x-ray diffraction technique performed on a synchrotron source with a sub-micronic x-ray beam. Small capacitors have been biased with DC voltage between 0 and ±20 V and at each step of bias a set of spotty Debye rings have been recorded. By selecting

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40

Delijaicov, Sergio, Carlos Eddy Valdez Salazar, Éd Claudio Bordinassi, and Linilsson Rodrigues Padovese. "Analysis of Surface Integrity for DIN 100Cr6 Steel Conical Bearing Rings after Hard Turning." Advanced Materials Research 223 (April 2011): 473–82. http://dx.doi.org/10.4028/www.scientific.net/amr.223.473.

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This work studies the influence of machining parameters, such as cutting speed and forces, feed rate, cutting depth, and tool flank wear, on the generation of surface residual stresses in DIN 100Cr6 steel conical bearing rings submitted to a hard turning process. A complete factorial planning was used to perform the tests and projected measurement. Cutting forces were measured by a piezoelectric dynamometer and residual stresses were determined by the hole-drilling method using strain gage. Results showed that after 2000 m of tool machining, phase transformations had been observed on sample su

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41

Hu, Jing, Shuyu Lin, Xiaoli Zhang, and Yong Wang. "Radially Sandwiched Composite Transducers Composed of the Radially Polarized Piezoelectric Ceramic Circular Ring and Metal Rings." Acta Acustica united with Acustica 100, no. 3 (2014): 418–26. http://dx.doi.org/10.3813/aaa.918721.

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42

Saviz, M. R. "Electro-elasto-dynamic analysis of functionally graded cylindrical shell with piezoelectric rings using differential quadrature method." Acta Mechanica 228, no. 5 (2017): 1645–70. http://dx.doi.org/10.1007/s00707-016-1746-7.

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43

Yan, Ju, Jietao Dai, and Liejun Li. "Design and analysis of Double-cavity micropump of flexible valve." Journal of Physics: Conference Series 2390, no. 1 (2022): 012061. http://dx.doi.org/10.1088/1742-6596/2390/1/012061.

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Abstract Piezoelectric micropump and surface tension micropump are generally favored in industrial applications, but these two micropumps have obvious defects through industrial practice. Due to the presence of a piezoelectric oscillator, it is difficult to reduce the volume by optimization further, and the oscillator will be damaged to a certain extent after use for a long time. Based on electric wetting on dielectric (EWOD), a new, efficient EWOD-driven flexible valve micropump is designed using EWOD and flexible valves to replace the conical tube, and a dual microchannel structure is propos

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44

Lee, Junsu, Kyounghun Been, Haksue Lee, Heeseon Seo, and Wonkyu Moon. "A lumped-parameter model of the free-flooded ring transducer array." Journal of the Acoustical Society of America 155, no. 1 (2024): 615–28. http://dx.doi.org/10.1121/10.0024462.

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The free-flooded ring (FFR) transducer is an extensively used ring-type acoustic transducer in underwater environments owing to its broad operating frequency bandwidth and small size. However, achieving high sound pressure levels with a single FFR transducer is often difficult, thus necessitating the construction of vertically arranged FFR transducer arrays. This study presents a comprehensive analysis of the electrical and acoustic characteristics of an FFR transducer array by considering the mutual radiation load and the effects of gaps between adjacent piezoelectric rings. The lumped-parame

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45

Dai, Longxiang, Shan Jiang, Ziyang Lian, Hongping Hu, and Xuedong Chen. "Locally resonant band gaps achieved by equal frequency shunting circuits of piezoelectric rings in a periodic circular plate." Journal of Sound and Vibration 337 (February 2015): 150–60. http://dx.doi.org/10.1016/j.jsv.2014.10.026.

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46

ÇİFTÇİ, Merve Nur, Berk DEĞİRMENCİ, Irem BÖBREK, et al. "Design, development and characterization of a mid-frequency (35 khz) tonpilz transducer array from 0.675PMN-0.325PT piezoceramics." Journal of Metals, Materials and Minerals 32, no. 1 (2022): 144–49. http://dx.doi.org/10.55713/jmmm.v32i1.1249.

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A mid-frequency tonpilz transducer array was designed and analyzed by finite element method using commercial ATILA code and constructed using piezoceramic rings with lead magnesium niobate (PMN)-lead titanate (PT) composition. The morphotropic phase boundary (MPB) 0.675Pb(Mg1/3Nb2/3)O3-0.325PbTiO3 composition was chosen to obtain higher performance from the transducer due to the superior dielectric and electromechanical properties of the MPB compositions. A pure perovskite phase was obtained from the ceramics. Piezoelectric charge coefficient (d33) was measured as 435 pC×N-1. Single tonpilz el

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47

Huan, Qiang, Mingtong Chen, and Faxin Li. "A practical omni-directional SH wave transducer for structural health monitoring based on two thickness-poled piezoelectric half-rings." Ultrasonics 94 (April 2019): 342–49. http://dx.doi.org/10.1016/j.ultras.2018.07.010.

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48

Mukhin, Nikolay, and Ralf Lucklum. "Periodic Tubular Structures and Phononic Crystals towards High-Q Liquid Ultrasonic Inline Sensors for Pipes." Sensors 21, no. 17 (2021): 5982. http://dx.doi.org/10.3390/s21175982.

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The article focuses on a high-resolution ultrasound sensor for real-time monitoring of liquid analytes in cylindrical pipes, tubes, or capillaries. The development of such a sensor faces the challenges of acoustic energy losses, including dissipation at liquid/solid interface and acoustic wave radiation along the pipe. Furthermore, we consider acoustic resonant mode coupling and mode conversion. We show how the concept of phononic crystals can be applied to solve these problems and achieve the maximum theoretically possible Q-factor for resonant ultrasonic sensors. We propose an approach for e

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Wang, Jianjun, Lei Qin, Weijie Li, and Weibin Song. "Parametric Analysis and Optimization of Radially Layered Cylindrical Piezoceramic/Epoxy Composite Transducers." Micromachines 9, no. 11 (2018): 585. http://dx.doi.org/10.3390/mi9110585.

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Abstract:

Radially layered cylindrical piezoceramic/epoxy composite transducers have been designed by integrating the excellent performance of piezoelectric/polymer composites and the radial radiation ability of cylindrical configurations, which are promising in developing novel ultrasonic and underwater sound techniques. Our previous study has explored the effects of the external resistance on the electromechanical characteristics of the transducer, and obtained some valuable findings. To clearly understand the electromechanical characteristics of the transducer and to guide the device design, in this

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Pillarisetti, Lalith Sai Srinivas, Cliff J. Lissenden, and Parisa Shokouhi. "Control of low-frequency guided elastic wave modes in a hollow pipe using a meta-surface." AIP Advances 12, no. 8 (2022): 085027. http://dx.doi.org/10.1063/5.0098576.

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Abstract:

A locally resonant meta-surface for preferential excitation of a guided mode in a hollow pipe can improve ultrasonic guided wave inspection of pipelines. The proposed meta-surface comprises a periodic arrangement of bonded prismatic rod-like resonators in the circumferential and axial directions of the pipe. We demonstrate the presence of bandgaps for the low-frequency axisymmetric longitudinal modes L(0,1) and L(0,2) and the torsional mode T(0,1). The generated bandgaps can be used to filter the higher harmonics associated with the system nonlinearity to improve nonlinear ultrasonic measureme

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