Results 11 to 20 of about 23,736 (254)

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

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, Ping-fa FENG, Hui-ting ZHA, Feng FENG   +3 more
doaj   +1 more source

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

Journal 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, Ruilin Cao, Zijian Jia, Yuanliang Xiong, Chun Chen, Yamei Zhang   +5 more
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Functional Assay of Cancer Cell Invasion Potential Based on Mechanotransduction of Focused Ultrasound

Frontiers in Oncology, 2017
Cancer cells undergo a number of biophysical changes as they transform from an indolent to an aggressive state. These changes, which include altered mechanical and electrical properties, can reveal important diagnostic information about disease status ...
Andrew C. Weitz, Andrew C. Weitz, Andrew C. Weitz, Andrew C. Weitz, Nan Sook Lee, Nan Sook Lee, Chi Woo Yoon, Adrineh Bonyad, Kyo Suk Goo, Seaok Kim, Sunho Moon, Hayong Jung, Qifa Zhou, Qifa Zhou, Robert H. Chow, K. Kirk Shung   +15 more
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Research on correlation model between transducer temperature and acoustic performance parameters of ultrasonic machining system

AIP Advances, 2022
In the process of ultrasonic vibration cutting (UVC), the acoustic performance parameters of ultrasonic machining system change because of systems heating up and cutting loads. The changes of acoustic performance parameters will affect resonant frequency,
Hong-xian Ye, Xu-yi Yang, Xiao-ping Hu, Bao-hua Yu, Xi Kang   +4 more
doaj   +1 more source

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

Sensors, 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
doaj   +1 more source

Miniature probe for mapping mechanical properties of vascular lesions using acoustic radiation force optical coherence elastography

Scientific Reports, 2017
Cardiovascular diseases are the leading cause of fatalities in the United States. Atherosclerotic plaques are one of the primary complications that can lead to strokes and heart attacks if left untreated. It is essential to diagnose the disease early and
Yueqiao Qu, Teng Ma, Youmin He, Mingyue Yu, Jiang Zhu, Yusi Miao, Cuixia Dai, Pranav Patel, K. Kirk Shung, Qifa Zhou, Zhongping Chen   +10 more
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A Matlab/Simulink 3D model of unsymmetrical ultrasonic sandwich transducers [PDF]

Serbian Journal of Electrical Engineering, 2018
Ultrasonic sandwich transducer is a half-wave resonant structure which oscillates in thickness direction. This paper presents a new Matlab/ Simulink model of a prestressed unsymmetrical ultrasonic sandwich transducer, which is modeled by ...
Jovanović Igor, Jovanović Uglješa, Mančić Dragan   +2 more
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The Design of Rare-Earth Giant Magnetostrictive Ultrasonic Transducer and Experimental Study on Its Application of Ultrasonic Surface Strengthening

Micromachines, 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, Qinjian Zhang, Huiling Zhao, Jingzhou Yu, Yongchen Chu   +4 more
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Study on a novel omnidirectional ultrasonic cavitation removal system for Microcystis aeruginosa

Ultrasonics Sonochemistry, 2022
Microcystis aeruginosa, as a typical alga, produces microcystin with strong liver toxicity, seriously endangering the liver health of human and animals. Inhibiting the bloom of the Microcystis aeruginosa in lakes becomes a significant and meaningful work.
Hao-Ren Feng, Jian-An Wang, Liang Wang, Jia-Mei Jin, Shu-Wen Wu, Charles-C. Zhou   +5 more
doaj   +1 more source

Study on frequency tracking method of ultrasonic scalpel based on impedance matching

Dianzi Jishu Yingyong, 2019
With the development of science and technology, ultrasonic scalpel is widely used in medical treatment. In practical application, in order to make the transducer of the ultrasonic scalpel convert electrical energy into mechanical energy as much as ...
Yang Lin, Dai Jianfeng, Zhao Hucheng, Gao Zhan, Lu Yang, Sun Xueming   +5 more
doaj   +1 more source