Results 1 to 10 of about 23,544 (156)

Calibration of Ultrasonic Transducer Based on Ultrasonic Logging Instrument for Shaft Sinking [PDF]

open access: yesSensors, 2022
High-precision logging equipment is critical for measuring the borehole diameter and drilling offset in coal mining and petroleum drilling. We propose a module composition and positioning principle for an ultrasonic transducer based on an ultrasonic ...
Maoyong Cao   +5 more
doaj   +2 more sources

Electromechanical Dynamics Model of Ultrasonic Transducer in Ultrasonic Machining Based on Equivalent Circuit Approach

open access: yesSensors, 2019
Ultrasonic transducer is a piezoelectric actuator that converts AC electrical energy into ultrasonic mechanical vibration to accelerate the material removal rate of workpiece in rotary ultrasonic machining (RUM).
Jianguo Zhang, Yangmin Li
exaly   +3 more sources

Analysis of a Cascaded Piezoelectric Ultrasonic Transducer with Three Sets of Piezoelectric Ceramic Stacks

open access: yesSensors, 2019
To increase the ultrasonic intensity and power of a piezoelectric transducer, a cascaded piezoelectric ultrasonic transducer with the three sets of piezoelectric ceramic stacks is analyzed.
Xiangdi Meng, Shuyu Lin, Lin Shuyu
exaly   +3 more sources

PMN-PT/Epoxy 1-3 composite based ultrasonic transducer for dual-modality photoacoustic and ultrasound endoscopy

open access: yesPhotoacoustics, 2019
Endoscopic dual-modality photoacoustic (PA) and ultrasound (US) imaging has the capability of providing morphology and molecular information simultaneously.
Gengxi Lu, Jason J Chen, Joseph C Jing
exaly   +3 more sources

Planar ultrasonic transducer based on a metasurface piezoelectric ring array for subwavelength acoustic focusing in water [PDF]

open access: yesScientific Reports, 2022
The development of a new ultrasonic transducer capable of improved focusing performance has become a necessity to overcome the limitations of conventional ultrasonic transducer technology.
Shin Hur   +5 more
doaj   +2 more sources

The Design of Rare-Earth Giant Magnetostrictive Ultrasonic Transducer and Experimental Study on Its Application of Ultrasonic Surface Strengthening

open access: yesMicromachines, 2018
Ultrasonic transducer based on rare-earth giant magnetostrictive materials was designed in accordance with the technical requirements of ultrasonic surface strengthening. The whole structure of the transducer was designed.
Shanxiang Fang   +2 more
exaly   +3 more sources

Design and Performance Analysis of Capacitive Micromachined Ultrasonic Transducer Linear Array

open access: yesMicromachines, 2014
An ultrasonic transducer is a key component to achieve ultrasonic imaging. This paper designs a new type of Microelectromechanical Systems (MEMS) based capacitive ultrasonic transducer and a linear array based on the transducer.
Xiangjun Wang   +2 more
exaly   +3 more sources

Design of Piezoelectric Ultrasonic Transducer Based on Doped PDMS [PDF]

open access: yesSensors, 2021
The performance of the ultrasonic transducer will directly affect the accuracy of ultrasonic experimental measurement. Therefore, in order to meet the requirements of a wide band, a kind of annular 2-2-2 piezoelectric composite is proposed based on doped
Ran Yang   +3 more
doaj   +2 more sources

Development of a 16-Channel Broadband Piezoelectric Micro Ultrasonic Transducer Array Probe for Pipeline Butt-Welded Defect Detection [PDF]

open access: yesSensors, 2022
Butt welding is extensively applied in long-distance oil and gas pipelines, and it is of great significance to conduct non-destructive ultrasonic testing of girth welds in order to avoid leakage and safety accidents during pipeline production and ...
Bolun Li   +6 more
doaj   +2 more sources

Multipoint Energy-Balanced Laser-Ultrasonic Transducer Based on a Thin-Cladding Fiber [PDF]

open access: yesSensors
This study proposes a novel multipoint transducer system by utilizing the single-mode-multimode-thin-cladding fiber (SMTC) structure. This structure leverages the disparity in mode field diameter between the multimode fiber (MMF) and thin-cladding fiber (
Shengnan Zhou   +3 more
doaj   +2 more sources

Home - About - Disclaimer - Privacy