Results 81 to 90 of about 35,260 (285)

Piezoelectric Composite Vibrator with a Bilaminated Structure for Bending Vibration

Applied Sciences, 2019
A piezoelectric composite vibrator with a bilaminated structure is designed and fabricated, in this work by applying bending vibration to increase vibration displacement and reduce resonance frequency. The finite element software ANSYS (ANSYS, Inc.
Xia Liu, Likun Wang, Chao Zhong, Yanjun Zhang, Shaohua Hao, Ruiqing Sun   +5 more
doaj   +1 more source

Ultrahigh Piezoelectric Performance through Synergistic Compositional and Microstructural Engineering

Advanced Science, 2022
Piezoelectric materials enable the conversion of mechanical energy into electrical energy and vice‐versa. Ultrahigh piezoelectricity has been only observed in single crystals. Realization of piezoelectric ceramics with longitudinal piezoelectric constant
Yongke Yan, Liwei D. Geng, Li‐Feng Zhu, Haoyang Leng, Xiaotian Li, Hairui Liu, Dabin Lin, Ke Wang, Yu U. Wang, Shashank Priya   +9 more
doaj   +1 more source

Improved transducer for squeeze-film bearings [PDF]

, 1971
Transducer amplifies vibrations produced by piezoelectric drivers, creating greater amplitudes than were possible with direct drive devices. Drivers isolated from bearing surfaces result in bearings with high axial load capacity and stiffness, thus, wear
Hoogenbloom, L.
core   +1 more source

Fabrication, Properties, and Applications of Scaffolds for Bone Tissue Regeneration

Advanced Materials Technologies, EarlyView.
This review explores cutting‐edge biomaterials and fabrication techniques for scaffolds in bone tissue regeneration. It conducts a critical comparison of various strategies, meticulously analyzes the key contradictions in the field, and outlines an integrated development path spanning from biomaterial selection to clinical application, while ...
Shangsi Chen, Min Wang
wiley   +1 more source

Anti‐Slip Material‐Based Strategies and Approaches

Advanced Materials Technologies, EarlyView.
This review highlights the principle mechanisms of slipping at the microscale, linking contact mechanics with a friction behavior model for surface interfaces. Main strategies to develop anti‐slip properties to the surfaces are discussed alongside standardized testing approaches.
Sogand Abbaspoor‐Zanjani, Carlo Antonini, Teresa Gatti, Mengjiao Wang   +3 more
wiley   +1 more source

First-principles Calculation and Analysis of Piezoelectric Properties of Sn-doped Barium Titanate Ceramics

Journal of Harbin University of Science and Technology
To explore the regulation mechanism of microstructure and macroscopic electrical properties of Sn-doped BaTiO3 lead- free piezoelectric ceramics. Based on density functional theory, the band structure, state density and piezoelectric properties of ...
WANG Wanru, LI Caixia, MA Xiaoxuan, LI Chenglong, JI Nan, LI Tianqi   +5 more
doaj   +1 more source

Ultrasonic Transducer Fabricated Using Lead-Free BFO-BTO+Mn Piezoelectric 1-3 Composite

Actuators, 2015
Mn-doped 0.7BiFeO3-0.3BaTiO3 (BFO-0.3BTO+Mn 1% mol) lead-free piezoelectric ceramic were fabricated by traditional solid state reaction. The phase structure, microstructure, and ferroelectric properties were investigated.
Yan Chen, Kai Mei, Chi-Man Wong, Dunmin Lin, Helen Lai Wa Chan, Jiyan Dai   +5 more
doaj   +1 more source

End‐to‐End Sensing Systems for Breast Cancer: From Wearables for Early Detection to Lab‐Based Diagnosis Chips

Advanced Materials Technologies, EarlyView.
This review explores advances in wearable and lab‐on‐chip technologies for breast cancer detection. Covering tactile, thermal, ultrasound, microwave, electrical impedance tomography, electrochemical, microelectromechanical, and optical systems, it highlights innovations in flexible electronics, nanomaterials, and machine learning.
Neshika Wijewardhane, Lyn I. Jones, Richard M. Martin, Helen Winter, Faezeh Arab Hassani   +4 more
wiley   +1 more source

Design and Fabrication of an Epoxy/Glass Microbeads-Based 1-3 Piezoelectric Composite

Micromachines
An epoxy/glass microbeads-based 1-3 piezoelectric composite is proposed, to enhance electromechanical conversion efficiency. Firstly, based on the series-parallel theory, the theoretical model is established.
Qiyun Liu, Jinjie Zhou, Ziliang Jia, Pengfei Zhou   +3 more
doaj   +1 more source

Transducers Across Scales and Frequencies: A System‐Level Framework for Multiphysics Integration and Co‐Design

Advanced Materials Technologies, EarlyView.
Transducers convert physical signals into electrical and optical representations, yet each mechanism is bounded by intrinsic trade‐offs across bandwidth, sensitivity, speed, and energy. This review maps transduction mechanisms across physical scale and frequency, showing how heterogeneous integration and multiphysics co‐design transform isolated ...
Aolei Xu, Mengyao Xiao, Zhouli Sui, Yinpeng Wang, Daoye Zheng, Yuxin Liu, Luwei Wang, Huajun Liu, Chengkuo Lee   +8 more
wiley   +1 more source