[HTML][HTML] 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 …
ratios and resistance to corrosion. Due to their specific thermophysical properties and …
[HTML][HTML] In-situ full-field mapping of melt flow dynamics in laser metal additive manufacturing
Melt flow plays a critical role in laser metal additive manufacturing, yet the melt flow behavior
within the melt pool has never been explicitly presented. Here, we report in-situ …
within the melt pool has never been explicitly presented. Here, we report in-situ …
Melt flow regularity and hump formation process during laser deep penetration welding
B Zhu, G Zhang, J Zou, N Ha, Q Wu, R Xiao - Optics & Laser Technology, 2021 - Elsevier
In this study, the relationship between melt flow and hump formation was directly revealed
during laser deep penetration welding of transparent material. In partial-penetration welding …
during laser deep penetration welding of transparent material. In partial-penetration welding …
[HTML][HTML] Laser-arc hybrid welding of 12-and 15-mm thick structural steel
I Bunaziv, C Dørum, SE Nielsen, P Suikkanen… - … International Journal of …, 2020 - Springer
High-power lasers are very effective in welding of plates thicker than 10 mm due to the
keyhole mode. High-power intensity generates a vapor-filled cavity which provides …
keyhole mode. High-power intensity generates a vapor-filled cavity which provides …
Systematic approach to improve overlap laser welding of AA5052-H32 with dissimilar thickness by evaluation of mechanical performance, undercut, and welding …
AA5052 is a widely used aluminum alloy in the automotive industry due to its excellent
weldability, mechanical properties, and corrosion resistance. This study aims to optimize the …
weldability, mechanical properties, and corrosion resistance. This study aims to optimize the …
Analysis of heat transfer and melt flow in conduction, transition, and keyhole modes for CW laser welding
X Xiao, Y Fu, X Ye, M Cheng, L Song - Infrared Physics & Technology, 2022 - Elsevier
Melting modes have a profound impact on heat transfer and fluid flow in laser material
processing. In order to have a better understanding of the thermo-fluidic behavior of the melt …
processing. In order to have a better understanding of the thermo-fluidic behavior of the melt …
[HTML][HTML] Towards an understanding of the challenges in laser beam welding of copper–observation of the laser-matter interaction zone in laser beam welding of …
F Kaufmann, J Schrauder, M Hummel, C Spurk… - Lasers in Manufacturing …, 2024 - Springer
The increasing demand for contacting applications in electric components such as batteries,
power electronics and electric drives is boosting the use of laser-based copper processing …
power electronics and electric drives is boosting the use of laser-based copper processing …
Application of laser-arc hybrid welding of steel for low-temperature service
I Bunaziv, OM Akselsen, J Frostevarg… - The International Journal …, 2019 - Springer
Laser-arc hybrid welding (LAHW) is more often used in shipbuilding and oil and gas
industries in recent years. Its popularity arises due to many advantages compared to …
industries in recent years. Its popularity arises due to many advantages compared to …
[HTML][HTML] Improvement of filler wire dilution using external oscillating magnetic field at full penetration hybrid laser-arc welding of thick materials
Hybrid laser-arc welding offers many advantages, such as deep penetration, good gap
bridge-ability, and low distortion due to reduced heat input. The filler wire which is supplied …
bridge-ability, and low distortion due to reduced heat input. The filler wire which is supplied …
High-speed x-ray imaging system for the investigation of laser welding processes
A high-speed x-ray imaging system was built to investigate the fundamentals of laser
material processing, such as laser welding. The system allows visualizing and analyzing the …
material processing, such as laser welding. The system allows visualizing and analyzing the …