Results 21 to 30 of about 20,778 (247)

The Effect of Ultrasonic Energy on Joint Characterization in Ultrasonic Spot Welding Multilayer Tabs Used in Lithium-ion Battery Manufacturing [PDF]

open access: yesMATEC Web of Conferences, 2019
Lithium-ion battery for electric vehicles contains a large number of battery tabs with multiple and thin sheets. Dissimilar metals are often used for different electrodes, for example, the copper and nickel are often used for negative electrode and the ...
Ma Z.N., Zhang Y.S.
doaj   +1 more source

Effect of Arc Behaviour and Metal Transfer Process on Aluminium Welds during Ultrasonic Frequency Pulsed GMAW

open access: yesCrystals, 2022
In order to study the influence of a novel current waveform control method of ultrasonic-frequency pulse (UFP) on arc behaviour, metal transfer process and the welds formation, monitoring system and image processing algorithms were employed for ...
Hao Zheng   +3 more
doaj   +1 more source

The Effect of Power Ultrasound on Microstructure Evolution During the Transient Liquid Stage of Ultrasonic-Promoted TLP Bonding SiCp/Al MMCs [PDF]

open access: yesArchives of Metallurgy and Materials, 2022
Ultrasound-promoted transient liquid phase bonding (U-TLP) is a high quality, high efficiency, and low-cost method for fast bonding of difficult-wetting materials in the atmospheric environment.
Changzhuang Zhou   +5 more
doaj   +1 more source

Micro Thin Film Sensor Embedding in Metal Structures for Rapid Production of Miniature Smart Metal Tooling [PDF]

open access: yes, 2004
In-situ monitoring and control of temperature and strain is important to improve product quality for numerous mesoscale manufacturing processes. However, it is difficult for conventional sensors to provide measurements with a high spatial and temporal ...
Cheng, Xudong   +4 more
core   +1 more source

Study on ultrasonic regulation of the welding performance and defects of 7A52 aluminum alloy plate

open access: yesAIP Advances, 2022
The welding performance and defects of thick aluminum alloy plates with medium and high strength are always a hot research topic. In this study, ultrasonic technology was used to regulate the properties and defects of welded joints of a 7A52 aluminum ...
Peng Yin   +4 more
doaj   +1 more source

Improvements in the Microstructure and Mechanical Properties of Aluminium Alloys Using Ultrasonic-Assisted Laser Welding

open access: yesMetals, 2022
Welding high-strength aluminium alloys is generally a delicate operation due to the degradation of mechanical properties in the thermally affected zone (TAZ) and the presence of porosities in the molten metal.
Ahmed Teyeb   +5 more
doaj   +1 more source

A Study of Static and Dynamic Mechanical Behavior of the Substrate in Ultrasonic Consolidation [PDF]

open access: yes, 2006
A new 2-D FEM model is developed for a fundamental study of the time dependent mechanical behavior of the substrate in ultrasonic consolidation. The simulation shows that for a given vibration condition, the amplitude of contact friction stress and ...
Li, Leijun, Zhang, Chunbo
core   +1 more source

Dissimilar Non-Ferrous Metal Welding: An Insight on Experimental and Numerical Analysis

open access: yesMetals, 2021
In recent years Gas Metal Arc Welding (GMAW) technology has expanded its functionalities in various areas which have further motivated its usage in several emerging manufacturing industries.
Jeyaganesh Devaraj   +2 more
doaj   +1 more source

Process Parameters Optimization for Ultrasonically Consolidated Fiber-Reinforced Metal Matrix Composites [PDF]

open access: yes, 2006
As an emerging rapid prototyping technology, Ultrasonic Consolidation (UC) has been used to successfully fabricate metal matrix composites (MMC). The intent of this study is to identify the optimum combination of processing parameters, including ...
Janaki Ram, G. D.   +2 more
core   +1 more source

Review of polymer-matrix composites welded to aluminium alloys [PDF]

open access: yesActa Periodica Technologica, 2023
This review covers previous work by different scholars on welding polymer-matrix composites to aluminium alloys between 2015 and 2021. The highest tensile shear stress measured for the joint between polymer-matrix composite and aluminium (AA7075)
Ndukwe Agha Inya   +4 more
doaj   +1 more source

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