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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

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

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

Review of Ultrasonic Particle Manipulation Techniques: Applications and Research Advances

open access: yesMicromachines, 2023
Ultrasonic particle manipulation technique is a non-contact label-free method for manipulating micro- and nano-scale particles using ultrasound, which has obvious advantages over traditional optical, magnetic, and electrical micro-manipulation techniques;
Shuai Wang   +3 more
doaj   +1 more source

Venting in the comparative study of flexural ultrasonic transducers to improve resilience at elevated environmental pressure levels [PDF]

open access: yes, 2020
The classical form of a flexural ultrasonic transducer is a piezoelectric ceramic disc bonded to a circular metallic membrane. This ceramic induces vibration modes of the membrane for the generation and detection of ultrasound.
Dixon, Steve M.   +3 more
core   +2 more sources

Focused Ultrasound Stimulates ER Localized Mechanosensitive PANNEXIN-1 to Mediate Intracellular Calcium Release in Invasive Cancer Cells

open access: yesFrontiers in Cell and Developmental Biology, 2020
Focused ultrasound (FUS) is a rapidly developing stimulus technology with the potential to uncover novel mechanosensory dependent cellular processes. Since it is non-invasive, it holds great promise for future therapeutic applications in patients used ...
Nan Sook Lee   +14 more
doaj   +1 more source

Optimized design for a piezoelectric ultrasonic transducer based on the six-terminal network

open access: yes工程科学学报, 2022
As an effective method for efficient precision machining of hard and brittle materials, ultrasonic-assisted machining has been widely researched and applied over the past years.
Shi-jie LIU   +3 more
doaj   +1 more source

Cement/epoxy-based embedded ultrasonic transducers for concrete structure applications

open access: yesJournal of Materials Research and Technology, 2021
Embedded ultrasonic technology has the potential for a wide range of applications in structural health monitoring. In this study, embedded ultrasonic transducers were prepared with cement powder/epoxy resin composites as the matrix of each structural ...
Shunquan Zhang   +5 more
doaj   +1 more source

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