Results 21 to 30 of about 91,594 (288)

Optimisation of a cymbal transducer for its use in a high-power ultrasonic cutting device for bone surgery [PDF]

, 2016
The class V cymbal is a flextensional transducer commonly used in low-power ultrasonic applications. The resonance frequency of the transducer can be tailored by the choice of end-cap and driver materials, and the dimensions of the end-caps.
Bejarano, Fernando, Feeney, Andrew, Lucas, Margaret   +2 more
core   +1 more source

Running performance of an aerodynamic journal bearing with squeeze film effect [PDF]

, 2013
Results of theoretical and experimental studies concerning the performance of an aerodynamic journal bearing which running is assisted by squeeze film ultrasonic levitation (SFUL) are presented in this paper.
Ha, Ono, Salbu, Shigeka Yoshimoto, Stolarski, Stolarski, Stolarski, Stolarski, Tadeusz Stolarski, Tomohiro Shou, Vandaele, Wiesendanger, Xue, Yoshimoto   +13 more
core   +1 more source

Research progress and prospects of ultrasonic vibration in coal rock fracturing

Meitan kexue jishu
In order to promote the technological development of ultrasonic vibration induced cracking of coal and rock masses, improving the efficiency of coalbed methane production and hard rock excavation in mines, it reviews the development history of ultrasonic
Xufeng WANG, Zhijun NIU, Lei ZHANG, Xiangyu LI, Jiyao WANG, Zechao CHANG, Xuyang CHEN   +6 more
doaj   +1 more source

Ultrasonic needles for bone biopsy [PDF]

, 2017
Bone biopsy is an invasive clinical procedure where a bone sample is recovered for analysis during the diagnosis of a medical condition. When the architecture of the bone tissue is required to be preserved, a core-needle biopsy is taken.
Cleary, Rebecca, Li, Li, Lucas, Margaret, Mathieson, Andrew, Simpson, Hamish, Wallace, Robert   +5 more
core   +1 more source

Study on a longitudinal–torsional ultrasonic vibration system with diagonal slits

Advances in Mechanical Engineering, 2017
The longitudinal–torsional ultrasonic vibration machining process is popular for machining hard and brittle materials. A longitudinal–torsional ultrasonic vibration system with diagonal slits was designed for the ultrasonic vibration machining process ...
Tao Chen, Shuliang Liu, Wu Liu, Chaoqun Wu   +3 more
doaj   +1 more source

Theoretical and Experimental Study on Vibration Propagation in PMMA Components in Ultrasonic Bonding Process

Micromachines, 2017
Ultrasonic bonding has an increasing application in the micro assembly of polymeric micro-electro mechanical systems (MEMS) with high requirements for fusion precision. In the ultrasonic bonding process, the propagation of ultrasonic vibration in polymer
Yibo Sun, Feng Wang, Xinhua Yang
doaj   +1 more source

Research on the Influence of the Assembly Parameters of the Junction Surface of Ultrasonic Acoustic Components on the Acoustic Performance Parameters

Machines, 2022
The core of the ultrasonic machining system is the acoustic vibration component. Due to the inconsistency of the assembly conditions between the junction surfaces of the acoustic vibration component, the resonant frequency of the ultrasonic acoustic ...
Hongxian Ye, Xiangkui Huang, Xiaoping Hu, Baohua Yu   +3 more
doaj   +1 more source

Modal analysis and nonlinear characterization of an airborne power ultrasonic transducer with rectangular plate radiator [PDF]

, 2018
Some industrial processes like particle agglomeration or food dehydration among others can be enhanced by the use of power ultrasonic technologies.
Acosta, V.M., Andrés, R.R., Lucas, M., Riera, E.   +3 more
core   +1 more source

Ultrasonic-assisted anodic oxidation of 4H-SiC (0001) surface

Electrochemistry Communications, 2019
An ultrasonic-assisted electrochemical mechanical polishing (UAECMP) technique that combines ultrasonic vibration and electrochemical mechanical polishing (ECMP) is proposed.
Xiaozhe Yang, Xu Yang, Kentaro Kawai, Kenta Arima, Kazuya Yamamura   +4 more
doaj   +1 more source

Simulation and Experimental Research on the Longitudinal–Torsional Ultrasonic Cutting Process Characteristics of Aramid Honeycomb Materials

Applied Sciences
Aiming at the problems of large cutting force, easy honeycomb tearing, and deformation during the traditional cutting process of aramid honeycomb materials and an increase in cutting temperature during continuous processing, which may lead to vibration ...
Mingxing Zhang, Xinpeng Zhang, Linbin Li, Yuzhu Zhang, Liyuan Fang, Ting Meng, Xiaodong Wang   +6 more
doaj   +1 more source