Results 21 to 30 of about 1,957,261 (172)

JOINIG OF MG ALLOY AZ31B BY SELECTED TECHNOLOGIES

Acta Polytechnica, 2019
This contribution presents metallurgical joining of Mg alloy AZ 31B by several technologies - Friction Stir Welding - FSW, Laser Beam Welding - LBW, soldering and their mutual comparison.
Tomáš Kramár, Petr Vondrouš, Miroslav Jáňa, Tomáš Kupec   +3 more
doaj   +1 more source

New approaches on laser micro welding of copper by using a laser beam source with a wavelength of 450 nm

Journal of Advanced Joining Processes, 2020
Laser micro welding is specified with welding geometries below 1 mm and is used with increasing demand for contacting electronic components such as battery and fuel cells.
Marc Hummel, Christoph Schöler, André Häusler, Arnold Gillner, Reinhart Poprawe   +4 more
doaj   +1 more source

Evolution of bonding mechanism and fracture mechanism of Ti alloy-steel joint by dual-beam laser welding using Mg-RE (RE=Gd, Y) filler

Journal of Materials Research and Technology
In this paper, a novel coaxial continuous-pulsed dual-beam laser was proposed to join TC4 titanium alloy with QP980 high-strength steel, and magnesium alloy containing rare-earth elements (Mg-RE) was creatively as filler.
Nan li, Qiang Lang, Yuchen Dong, Chunchao Wang, Tao Li, Hongyang Wang, Liming Liu   +6 more
doaj   +1 more source

Challenges in Contacting Metal–Polymer Current Collectors in Pouch Cells

Journal of Manufacturing and Materials Processing, 2023
Recent research focuses on replacing metal current collectors with metallized polymer foils. However, this introduces significant challenges during cell production, as manufacturing steps must be adapted.
Hakon Gruhn, Tobias Krüger, Malte Mund, Maja W. Kandula, Klaus Dilger   +4 more
doaj   +1 more source

Possible explanations for different surface quality in laser cutting with 1 micron and 10 microns beams [PDF]

, 2012
In laser　cutting　of　thick　steel　sheets,　quality　difference　is　observed　between　cut　surfaces　obtained　with 1 micron and 10 micron laser beams. This paper investigates physical mechanisms for this interesting and important problem of the wavelength ...
Remy Fabbro, Koji Hirano, FABBRO, Rémy, HIRANO, Koji   +3 more
core   +1 more source

A Comprehensive Review on Static Laser Beam Shaping: Solution for Welding Challenges in E-Vehicle Battery Manufacturing

Applied Sciences
The increasing demand for reliable and high-performance electric vehicle (EV) batteries requires precise and defect-free welding of battery components.
Zia Uddin, Erica Liverani, Alessandro Ascari, Alessandro Fortunato   +3 more
doaj   +1 more source

Disk Laser Welding of Car Body Zinc Coated Steel Sheets / Spawanie Laserem Dyskowym Blach Ze Stali Karoseryjnej Ocynkowanej

Archives of Metallurgy and Materials, 2015
Autogenous laser welding of 0.8 mm thick butt joints of car body electro-galvanized steel sheet DC04 was investigated. The Yb:YAG disk laser TruDisk 3302 with the beam spot diameter of 200 μm was used.
Lisiecki A., Burdzik R., Siwiec G., Konieczny Ł., Warczek J., Folęga P., Oleksiak B.   +6 more
doaj   +1 more source

Model of convective heat transfer in keyhole mode laser welding [PDF]

Computer Methods in Materials Science, 2011
Article applies a model of welding with high-power laser beam. As a result of heating the material in the area of a laser beam creates a narrow and deep keyhole. Welding in such conditions favors the formation of pores in the weld. In the presented model
Aleksander Siwek, Jacek Rońda, Krzysztof Banaś   +2 more
doaj   +1 more source

Laser Beam Welding of CubeSat 1U Structure Parts Obtained by Powder Bed Fusion

Metals, 2022
This study contributes to a possible methodology for manufacturing CubeSats using additive manufacturing and laser beam welding. Titanium connectors were constructed by selective laser melting and electron beam melting and characterized from a ...
Rafael Humberto Mota de Siqueira, Diego Javier Celentano, Milton Sergio Fernandes de Lima   +2 more
doaj   +1 more source

Affecting the Properties of Copper–Graphene Electroconductive Composite by Severe Plastic Deformation

Advanced Engineering Materials, EarlyView.
Copper‐based composites enhanced with carbon feature convenient mechanical properties and favorable electric conductivity. Processing via deformation and thermomechanical treatments can introduce advantageous microstructures further enhancing their performance. Herein, copper–graphene powder‐based composites are directly consolidated via rotary swaging
Radim Kocich, Lenka Kunčická, Pavel Czernek, Zifan Wang   +3 more
wiley   +1 more source