Results 21 to 30 of about 34,729 (258)

Dynamic Non-Destructive Evaluation of Piezoelectric Materials to Verify on Accuracy of Transversely Isotropic Material Property Measured by Resonance Method

Applied Sciences, 2020
In many engineering applications of piezoelectric materials, the design and prediction of the dynamic characteristics depends on the anisotropic electromechanical material property.
Yu-Hsi Huang, Chien-Yu Yen, Tai-Rong Huang   +2 more
doaj   +1 more source

The origin of ultrahigh piezoelectricity in relaxor-ferroelectric solid solution crystals

Nature Communications, 2016
Combining a perovskite ferroelectric with moderate piezoelectric properties and a nonpiezoelectric pervoskite relaxor can create a highly piezoelectric material.
Fei Li, Shujun Zhang, Tiannan Yang, Zhuo Xu, Nan Zhang, Gang Liu, Jianjun Wang, Jianli Wang, Zhenxiang Cheng, Zuo-Guang Ye, Jun Luo, Thomas R. Shrout, Long-Qing Chen   +12 more
doaj   +1 more source

Physics-Based Device Models and Progress Review for Active Piezoelectric Semiconductor Devices

Sensors, 2020
Piezoelectric devices transduce mechanical energy to electrical energy by elastic deformation, which distorts local dipoles in crystalline materials. Amongst electromechanical sensors, piezoelectric devices are advantageous because of their scalability ...
Hongseok Oh, Shadi A. Dayeh
doaj   +1 more source

A Systematic Review of Piezoelectric Materials and Energy Harvesters for Industrial Applications

Sensors, 2021
In the last three decades, smart materials have become popular. The piezoelectric materials have shown key characteristics for engineering applications, such as in sensors and actuators for industrial use.
Abdul Aabid, Md Abdul Raheman, Yasser E. Ibrahim, Asraar Anjum, Meftah Hrairi, Bisma Parveez, Nagma Parveen, Jalal Mohammed Zayan   +7 more
doaj   +1 more source

Giant Piezoelectric Response in Superionic Polar Semiconductor

Advanced Electronic Materials, 2018
A lead‐free piezoelectric material whose performance is comparable to that of market‐dominant lead‐based ones has been strongly desired for the development of environmentally friendly piezoelectric devices.
Yuki Shiomi, Tomoki Akiba, Hidefumi Takahashi, Shintaro Ishiwata   +3 more
doaj   +1 more source

A Global Optimization Method to Determine the Complex Material Constants of Piezoelectric Bars in the Length Thickness Extensional Mode

Actuators, 2021
Optimization methods have been used to determine the elastic, piezoelectric, and dielectric constants of piezoelectric materials from admittance or impedance measurements.
Xiangming Xiong, Xiaotian Li
doaj   +1 more source

Flexible Piezoelectric Energy Harvesting from Mouse Click Motions

Sensors, 2016
In this paper, we study energy harvesting from the mouse click motions of a robot finger and a human index finger using a piezoelectric material. The feasibility of energy harvesting from mouse click motions is experimentally and theoretically assessed ...
Youngsu Cha, Jin Hong, Jaemin Lee, Jung-Min Park, Keehoon Kim   +4 more
doaj   +1 more source

Finite element analysis of vibration energy harvesting using lead-free piezoelectric materials: A comparative study

Journal of Asian Ceramic Societies, 2014
In this article, the performance of various piezoelectric materials is simulated for the unimorph cantilever-type piezoelectric energy harvester. The finite element method (FEM) is used to model the piezolaminated unimorph cantilever structure. The first-
Anuruddh Kumar, Anshul Sharma, Rajeev Kumar, Rahul Vaish, Vishal S. Chauhan   +4 more
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Optimization of cantilever piezoelectric harvester to triangular shape with material reduction using finite element analysis

Heliyon
The paper studies the piezoelectric output performance of a piezoelectric harvester with four piezoceramic layers, assessing if the piezoelectric material can be reduced.
Claudia Săvescu, Daniel Comeagă, Adrian Stoicescu   +2 more
doaj   +1 more source

Design and Analysis of a While-Drilling Energy-Harvesting Device Based on Piezoelectric Effect

Energies, 2021
A while-drilling energy harvesting device is designed in this paper to recovery energy along with the longitudinal vibration of the drill pipes, aiming to serve as a continuous power supply for downhole instruments during the drilling procedure.
Jun Zheng, Bin Dou, Zilong Li, Tianyu Wu, Hong Tian, Guodong Cui   +5 more
doaj   +1 more source