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Actuators
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Advances in Piezoelectric Actuators 2022
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Advances in Piezoelectric Actuators 2022

A special issue of Actuators (ISSN 2076-0825). This special issue belongs to the section "Actuator Materials".

Deadline for manuscript submissions: closed (31 December 2022) | Viewed by 15528

Special Issue Editors

Prof. Dr. Shuxiang Dong

E-Mail Website
Guest Editor
Institute for Advanced Study, Shenzhen University, Shenzhen 518061, China
Interests: piezoelectric actuators and ultrasonic motors; piezoelectric ceramic and polymer materials; magnetoelectric composite materials and magnetic sensors; 3D printing fabrication of piezoelectric composite materials and devices
Special Issues, Collections and Topics in MDPI journals
Dr. Mingsen Guo

E-Mail Website
Guest Editor
State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Interests: piezoelectric actuators; piezoelectric materials; piezoelectric ultrasonic motors; piezoelectric transformers; ferroelectric materials

Special Issue Information

Dear colleagues,

Piezoelectric actuators have been commercialized in various areas, such as mobile and consumer electronics, information technology, robotics and precise engineering, bio-, medical engineering, and ecological and energy engineering. However, piezoelectric actuators and their actuation performance play a pivotal role in piezoelectric ceramic and its fabrication processes. Recently, new piezoelectric ceramics including lead-free piezoelectric materials and their composite materials have been developed to meet the requirements of consumer electronic products. In this perspective, we are delighted to announce a new Special Issue on “Piezoelectric Actuators”, which aims to point out major developments and emerging evolution in piezoelectric ceramics, working mechanism designs and new actuators, piezoelectric energy harvesting, piezoelectric transformer and converters, piezoelectric material based magnetoelectric effect and sensors, their industrial applications, etc.

Prof. Dr. Shuxiang Dong
Dr. Mingsen Guo
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Actuators is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • piezoelectric ceramic
  • working mechanism
  • piezoelectric actuator and motor
  • piezoelectric composite material
  • piezoelectric sensor
  • energy harvester

Published Papers (4 papers)

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Research

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12 pages, 4158 KiB  
Communication
A Thickness-Mode High-Frequency Underwater Acoustic Transducer with a Low Sidelobe Level
by Hui Zhao, Haisen Li, Yan Wang, Zhenjun Liu, Jiacong Bian and Jianguo Chen
Actuators 2021, 10(9), 226; https://doi.org/10.3390/act10090226 - 08 Sep 2021
Cited by 3 | Viewed by 3048
Abstract
Thickness vibration mode is commonly used for high-frequency transducers. For disc piezoelectric ceramics, there is no ideally pure thickness vibration mode because the coupling between the radial and thickness modes always exists. Furthermore, it also deteriorates the transmission voltage response and directivity of [...] Read more.
Thickness vibration mode is commonly used for high-frequency transducers. For disc piezoelectric ceramics, there is no ideally pure thickness vibration mode because the coupling between the radial and thickness modes always exists. Furthermore, it also deteriorates the transmission voltage response and directivity of the high-frequency transducer. In this paper, based on the theoretical calculation and finite element simulation method, a new method was proposed, and the related experiment was carried out to convince this idea. Both the simulation analysis and experimental results show that drilling a hole at the center of piezoelectric vibration is a simple but effective method to obtain a pure thickness vibration mode of the disc piezoelectric ceramic, and then improve the transmitting ability and directivity of the high-frequency piezoelectric transducer. The sidelobe level is as low as −21.3 dB. Full article
(This article belongs to the Special Issue Advances in Piezoelectric Actuators 2022)
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13 pages, 653 KiB  
Article
A Global Optimization Method to Determine the Complex Material Constants of Piezoelectric Bars in the Length Thickness Extensional Mode
by Xiangming Xiong and Xiaotian Li
Actuators 2021, 10(8), 169; https://doi.org/10.3390/act10080169 - 22 Jul 2021
Cited by 1 | Viewed by 1876
Abstract
Optimization methods have been used to determine the elastic, piezoelectric, and dielectric constants of piezoelectric materials from admittance or impedance measurements. The optimal material constants minimize the difference between the modeled and measured admittance or impedance spectra. In this paper, a global optimization [...] Read more.
Optimization methods have been used to determine the elastic, piezoelectric, and dielectric constants of piezoelectric materials from admittance or impedance measurements. The optimal material constants minimize the difference between the modeled and measured admittance or impedance spectra. In this paper, a global optimization method is proposed to calculate the optimal material constants of piezoelectric bars in the length thickness extensional mode. The algorithm is applied to a soft PZT and a hard PZT and is shown to be robust. Full article
(This article belongs to the Special Issue Advances in Piezoelectric Actuators 2022)
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12 pages, 4010 KiB  
Article
Polymorphic Phase Transition and Piezoelectric Performance of BaTiO3-CaSnO3 Solid Solutions
by Qian Wang, Hong-Ze Yan, Xian Zhao and Chun-Ming Wang
Actuators 2021, 10(6), 129; https://doi.org/10.3390/act10060129 - 13 Jun 2021
Cited by 6 | Viewed by 3768
Abstract
BaTiO3-based piezoelectric ceramics have attracted considerable attention in recent years due to their tunable phase structures and good piezoelectric properties. In this work, the (1 − x)BaTiO3−xCaSnO3 (0.00 ≤ x ≤ 0.16, abbreviated as BT− [...] Read more.
BaTiO3-based piezoelectric ceramics have attracted considerable attention in recent years due to their tunable phase structures and good piezoelectric properties. In this work, the (1 − x)BaTiO3−xCaSnO3 (0.00 ≤ x ≤ 0.16, abbreviated as BT−xCS) solid solutions, were prepared by traditional solid-state reaction methods. The phase transitions, microstructure, dielectric, piezoelectric, and ferroelectric properties of BT-xCS have been investigated in detail. The coexistence of rhombohedral, orthorhombic, and tetragonal phases near room temperature, i.e., polymorphic phase transition (PPT), has been confirmed by X-ray diffraction and temperature-dependent dielectric measurements in the compositions range of 0.06 ≤ x ≤ 0.10. The multiphase coexistence near room temperature provides more spontaneous polarization vectors and facilitates the process of polarization rotation and extension by an external electric field, which is conducive to the enhancement of piezoelectric response. Remarkably, the composition of BT-0.08CS exhibits optimized piezoelectric properties with a piezoelectric coefficient d33 of 620 pC/N, electromechanical coupling factors kp of 58%, kt of 40%, and a piezoelectric strain coefficient d33* of 950 pm/V. Full article
(This article belongs to the Special Issue Advances in Piezoelectric Actuators 2022)
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Review

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23 pages, 9501 KiB  
Review
Review of Magnetoelectric Sensors
by Junqi Gao, Zekun Jiang, Shuangjie Zhang, Zhineng Mao, Ying Shen and Zhaoqiang Chu
Actuators 2021, 10(6), 109; https://doi.org/10.3390/act10060109 - 24 May 2021
Cited by 44 | Viewed by 5382
Abstract
Multiferroic magnetoelectric (ME) materials with the capability of coupling magnetization and electric polarization have been providing diverse routes towards functional devices and thus attracting ever-increasing attention. The typical device applications include sensors, energy harvesters, magnetoelectric random access memories, tunable microwave devices and ME [...] Read more.
Multiferroic magnetoelectric (ME) materials with the capability of coupling magnetization and electric polarization have been providing diverse routes towards functional devices and thus attracting ever-increasing attention. The typical device applications include sensors, energy harvesters, magnetoelectric random access memories, tunable microwave devices and ME antennas etc. Among those application scenarios, ME sensors are specifically focused in this review article. We begin with an introduction of materials development and then recent advances in ME sensors are overviewed. Engineering applications of ME sensors are followed and typical scenarios are presented. Finally, several remaining challenges and future directions from the perspective of sensor designs and real applications are included. Full article
(This article belongs to the Special Issue Advances in Piezoelectric Actuators 2022)
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