Laser beam and laser-arc hybrid welding of aluminium alloys

I Bunaziv, OM Akselsen, X Ren, B Nyhus, M Eriksson - Metals, 2021 - mdpi.com
Aluminium alloys are widely used in many industries due to their high strength-to-weight
ratios and resistance to corrosion. Due to their specific thermophysical properties and …

A literature review in heat source thermal modeling applied to welding and similar processes

EJG Nascimento, E dos Santos Magalhães… - … International Journal of …, 2023 - Springer
Welding processes are a fundamental part of modern engineering manufacturing. The
simulation of materials joining techniques requires the application of thermal models …

[HTML][HTML] Synchrotron validation of inline coherent imaging for tracking laser keyhole depth

TG Fleming, SJ Clark, X Fan, K Fezzaa, CLA Leung… - Additive …, 2023 - Elsevier
In situ monitoring is critical to the increasing adoption of laser powder bed fusion (LPBF) and
laser welding by industry for manufacture of complex metallic components. Optical …

Comparison of the features of the formation of joints of aluminum alloy 7075 (Al-Zn-Mg-Cu) by laser, microplasma, and laser-microplasma welding

V Korzhyk, V Khaskin, A Grynyuk… - … -European Journal of …, 2022 - papers.ssrn.com
This paper reports a study into features of the formation of structures of permanent butt joints
of plates with a thickness of 1.5 mm made from the high-strength aluminum alloy 7075 of the …

Extreme bursting events via pulse-shaped explosion in mixed Rayleigh-Liénard nonlinear oscillator

B Kaviya, R Suresh… - The European Physical …, 2022 - epjplus.epj.org
We study the dynamics of a parametrically and externally driven Rayleigh-Liénard hybrid
model and report the emergence of extreme bursting events due to a novel pulse-shaped …

[HTML][HTML] Combining in situ synchrotron X-ray imaging and multiphysics simulation to reveal pore formation dynamics in laser welding of copper

T Florian, K Schricker, C Zenz, A Otto, L Schmidt… - International Journal of …, 2024 - Elsevier
Laser beam welding has emerged as a powerful tool for manufacturing copper components
in electrical vehicles, electronic devices or energy storage, owing to its rapid processing …

Correlating the weld-bead's 'macro-, micro-features' with the weld-pool's 'fluid flow'for electron beam welded SS 201 plates

D Das, KS Bal, DK Pratihar, GG Roy - International Journal of Mechanical …, 2021 - Elsevier
The phenomenological modeling, a CFD-based simulation tool, was implemented to study
the nature and magnitude of fluid flow within the weld zone (WZ) at varying heat input …

Direct observation of keyhole with an innovative layer-by-layer imaging method during deep penetration laser welding

Z Hao, H Chen, X Jin, X Yu, Z Liu - Optics & Laser Technology, 2022 - Elsevier
In order to solve the difficult problem of observing the keyhole in deep penetration laser
welding of metal materials, an innovative keyhole direct observation method based on layer …

Swarm intelligence-based modeling and multi-objective optimization of welding defect in electron beam welding

S Jaypuria, AK Das, PKC Kanigalpula, D Das… - Arabian Journal for …, 2023 - Springer
The process parameters involved in electron beam welding have major influences on
spiking and penetration efficiency of the joint. In addition to this, the input–output …

Suppression of spiking defects in deep penetration electron beam welded ETP copper

K Kerber, L Halbauer, H Biermann, A Buchwalder - Welding in the World, 2024 - Springer
The electron beam is an appropriate tool to weld pure copper due to its high absorptivity on
the copper surface, a high power density and inert vacuum environment. However, deep …