Results 21 to 30 of about 38,658 (264)

Influence of the Overlapping Factor and Welding Speed on T-Joint Welding of Ti6Al4V and Inconel 600 Using Low-Power Fiber Laser

open access: yesMetals, 2016
Double-sided laser beam welding of skin-stringer joints is an established method for many applications. However, in certain cases with limited accessibility, single-sided laser beam joining is considered.
Shamini Janasekaran   +3 more
doaj   +1 more source

Metal Laminated Tooling - A Quick and Flexible Tooling Concept [PDF]

open access: yes, 2004
For the fast manufacturing of complex formed tools Fraunhofer IWS works together with partners from the industry on a constant automation solution for cutting, packaging and adding steel sheet cutouts.
Beyer, Eckhard   +3 more
core   +1 more source

Sensor development and integration for robotized laser welding [PDF]

open access: yes, 2009
Laser welding requires fast and accurate positioning of the laser beam over the seam trajectory. The task of accurate positioning of the laser tools is performed by robotic systems.
Iakovou, Dimitrios
core   +3 more sources

Explicit analytical expressions for the influence of welding parameters on the grain structure of laser beam welds in aluminium alloys

open access: yesMaterials & Design, 2019
An explicit analytical model to express the influence of the welding parameters on the grain structure that is formed in laser beam welds in aluminium alloys is proposed and verified for the AlMgSi alloy AA6016.
Christian Hagenlocher   +4 more
doaj   +1 more source

Effect of high-pressure rolling followed by laser processing on mechanical properties, microstructure and residual stress distribution in multi-pass welds of 304L stainless steel [PDF]

open access: yes, 2016
Multi-pass fusion welding by a filler material (wire) is normally carried out to join thick steel sections used in most engineering applications. Multiple thermal cycles from a multi-pass weld resulted in a variable distribution of residual stress field ...
Ganguly, Supriyo   +3 more
core   +2 more sources

JOINIG OF MG ALLOY AZ31B BY SELECTED TECHNOLOGIES

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

Robust process-controller for Nd:YAG welding [PDF]

open access: yes, 2005
A robust process-controller was developed which maintains a fully penetrated weld. This feedback-controller is robust for various process disturbances that may occur, like variations in sheet thickness, welding velocity, focal position, shielding gas ...
Aarts, R.G.K.M.   +4 more
core   +2 more sources

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

open access: yesJournal 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   +4 more
doaj   +1 more source

Challenges in Contacting Metal–Polymer Current Collectors in Pouch Cells

open access: yesJournal 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   +4 more
doaj   +1 more source

Invited Article: CO_2 laser production of fused silica fibers for use in interferometric gravitational wave detector mirror suspensions [PDF]

open access: yes, 2011
In 2000 the first mirror suspensions to use a quasi-monolithic final stage were installed at the GEO600 detector site outside Hannover, pioneering the use of fused silica suspension fibers in long baseline interferometric detectors to reduce suspension ...
Barton, M. A.   +19 more
core   +2 more sources

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