Results 11 to 20 of about 27,631 (265)

A comprehensive review of advances in ultrasonic vibration machining on SiCp/Al composites

open access: yesJournal of Materials Research and Technology, 2023
On account of the remarkable mechanical properties, SiCp/Al composites are extensively utilized in the aerospace industry, exhibiting a vast scope of applications.
Zhaojie Yuan   +8 more
doaj   +1 more source

Molecular dynamics simulation of monocrystalline copper nano-scratch process under the excitation of ultrasonic vibration

open access: yesMaterials Research Express, 2021
In order to explore the mechanism of unidirectional ultrasonic vibration-assisted machining from a microscopic point of view, the molecular dynamic (MD) simulation method is used to simulate the scratch process of monocrystalline copper under ultrasonic ...
Chen Jian-Hao   +4 more
doaj   +1 more source

Research on the promotion mechanism of surface burnishing process by two-dimensional ultrasonic vibration

open access: yesJournal of Materials Research and Technology, 2021
Tangential ultrasonic vibration and vertical ultrasonic vibration are applied in the surface burnishing process (SBP) to study the improvement mechanism of both on the machining performance.
Zhou Zhen-yu   +5 more
doaj   +1 more source

Effect of ultrasonic assisted sintering on mechanical properties and degradation behaviour of Mg15Nb3Zn1Ca biomaterial

open access: yesJournal of Magnesium and Alloys, 2021
The present work investigates the effect of ultrasonic power (%) and the time of ultrasonic vibration on the sintered density and ultimate compressive strength (UCS) of Mg15Nb3Zn1Ca fabricated using ultrasonic assisted conventional sintering (UACS).
Ajit Kumar, Pulak M Pandey
doaj   +1 more source

Effect of ultrasonic vibration on finished quality in ultrasonic vibration assisted micromilling of Inconel718

open access: yesChinese Journal of Aeronautics, 2021
Abstract Inconel718 was machined with the traditional micromilling (TMM) and ultrasonic vibration assisted micromilling (UVAMM) with the different technology parameters, whose surface quality and burrs formation were studied. The results show that TMM often forms pits, bumps and gullies in the size effect range. UVAMM effectively improves the surface
Bin FANG   +3 more
openaire   +1 more source

Research progress and prospects of ultrasonic vibration in coal rock fracturing

open access: yesMeitan 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   +6 more
doaj   +1 more source

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

open access: yesAdvances 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   +3 more
doaj   +1 more source

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

open access: yesMicromachines, 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

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

open access: yesElectrochemistry Communications, 2019
An ultrasonic-assisted electrochemical mechanical polishing (UAECMP) technique that combines ultrasonic vibration and electrochemical mechanical polishing (ECMP) is proposed.
Xiaozhe Yang   +4 more
doaj   +1 more source

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

open access: yesApplied 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   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy