Results 21 to 30 of about 5,467,977 (315)
Li+ and Nb5+ codoped BNT-based ceramic with ultrahigh electrostrain under a moderate electric field
Journal of Advanced CeramicsLead-free piezoceramics have been an important research topic over the past two decades, aiming to replace Pb-based piezoceramics for sensor and actuator applications.
Zhengxiu Ma +6 more
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Acoustic Properties of Absorbing Materials
Applied Sciences, 2022 Thanks to the progress made in materials research and to the introduction of innovative manufacturing technologies, a wide range of sound-absorbing elements are currently available to adjust the acoustic features of an environment [...]
Edoardo Alessio Piana +2 more
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Acoustic processes in materials [PDF]
MRS Bulletin, 2019 Abstract
Leonid V. Zhigilei, Henry Helvajian
openaire +1 more source
Advanced Engineering Materials, EarlyView.This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal +2 more
wiley +1 more source
Multifactorial regulation of ultrasound-induced cavitation by engineered silica nanoparticles
Ultrasonics SonochemistryAcoustic cavitation, characterized by the nucleation, growth, and collapse of cavitation bubbles under ultrasound irradiation, is a fundamental mechanism for therapeutic ultrasound, including high intensity focused ultrasound therapy and sonodynamic ...
Jinyu Lin +3 more
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Ultrasound-activated ciliary bands for microrobotic systems inspired by starfish
Nature Communications, 2021 Most engineered ciliary bands generate simple hydrodynamics with unidirectional flow profiles. Here, inspired by the starfish larva, the authors show acoustically-activated microrobots with cilia that can control direction of liquid flow through ...
Cornel Dillinger +2 more
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Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying
Advanced Engineering Materials, EarlyView.An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara +8 more
wiley +1 more source
A robot-assisted acoustofluidic end effector
Nature Communications, 2022 Lab-on-a-chip systems have been widely used in microscale liquid manipulation and greatly benefit from automation. Durrer et al. show a robot-assisted acoustofluidic end effector system, comprising a robotic arm and an acoustofluidic device, that ...
Jan Durrer +5 more
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Symmetry‐Guided Multifunctional Acoustic System Based on Mechanically Actuated Sonic Crystals
Advanced Engineering Materials, EarlyView.This study presents the design, simulation, and experimental validation of amultifunctional acoustic metamaterial based on rotationally engineered sonic crystals.By tuning cylinder orientations, controllable band gaps and six distinct functionalities—including switching, topological insulation, beam splitting, and logic operations—areachieved ...
Yuanyan Zhao +2 more
wiley +1 more source
Active vibration control of an elastic piezoelectric beam subjected to multi-frequency excitation
Results in EngineeringThis paper focuses on the study of simultaneous secondary resonances of a sandwich beam subjected to two excitation frequencies, with a stacking sequence comprised of piezoelectric/elastomeric/piezoelectric materials.
J.P. Agnem Nwatsock +5 more
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