An overview of laser metal deposition for cladding: Defect formation mechanisms, defect suppression methods and performance improvements of laser-cladded layers

J Cheng, Y Xing, E Dong, L Zhao, H Liu, T Chang… - Materials, 2022 - mdpi.com
With the development of society and the economy, there is an increasing demand for surface
treatment techniques that can efficiently utilize metal materials to obtain good performances …

A comparative study of analytical Rosenthal, finite element, and experimental approaches in laser welding of AA5456 alloy

H Hekmatjou, Z Zeng, J Shen, JP Oliveira… - Metals, 2020 - mdpi.com
The thermal regime and microstructural phenomenon are studied by using finite-element
(FE) modelling and the analytical Rosenthal equation during laser welding of aluminum …

Effect of kerf characteristics on weld porosity of laser cutting-welding of AA2219 aluminum alloy

C Chen, M Gao, H Mu, X Zeng - Applied Surface Science, 2019 - Elsevier
The purification of laser keyhole and improving molten pool flow are important means to
restrain the porosity of laser-MIG hybrid welding of aluminum alloy. In this paper, four kinds …

The hot cracking susceptibility subjected the laser beam oscillation welding on 6XXX aluminum alloy with a partial penetration joint

M Kang, J Cheon, DH Kam, C Kim - Journal of Laser Applications, 2021 - pubs.aip.org
A laser beam oscillation method using Galvano mirrors, which allows wide weld beads and
controls thermal stress distribution, was suggested to suppress the formation of solidification …

Analytical description of the influence of the welding parameters on the hot cracking susceptibility of laser beam welds in aluminum alloys

C Hagenlocher, D Weller, R Weber, T Graf - Metallurgical and Materials …, 2019 - Springer
The grain structure of a weld seam influences its susceptibility to hot cracking during the
welding process. The previously derived explicit analytical expressions allow for the …

Strain-based investigation on solidification crack susceptibility of 6005 aluminium using adjustable ring mode (ARM) laser welding

VV Pamarthi, T Sun, A Das, P Franciosa - Procedia CIRP, 2022 - Elsevier
Solidification cracks are among the most deteriorating defects observed in Remote Laser
Welding (RLW) of 6xxx aluminium alloys. This research has been designed to study the …

Analysis of hot cracking during lap joint laser welding processes using the melting state-based thermomechanical modeling approach

Q He, H Wei, JS Chen, HP Wang… - The International Journal of …, 2018 - Springer
Although lap joint laser welding is in great demand in practice, very limited numerical
studies have been performed to investigate the hot cracking behavior in this welding …

Deciphering the individual effects of the fluid flow and material evaporation physics on the melting characteristics and the re-solidification parameters during laser …

AK Mishra, A Kumar - Thermal Science and Engineering Progress, 2022 - Elsevier
In this study, the effect of inclusion of fluid flow and material evaporation physics in the
thermal models of the laser melting process for Ti6Al4V has been compared to evaluate …

Coupled thermal-mechanical-contact analysis of hot cracking in laser welded lap joints

H Wei, Q He, JS Chen, HP Wang… - Journal of Laser …, 2017 - pubs.aip.org
Laser welding offers numerous advantages and has been widely adopted in the automotive
industry. However, its application in light-weight vehicle manufacturing is still limited due to …

MICROSTRUCTURE AND PROPERTIES OF 6082/7075 MAGNETIC-FIELD-ASSISTED RESISTANCE-SPOT-WELDED JOINTS

X Zhu, Z Liu, G Yin, Y Li - Materials and Technology, 2024 - mater-tehnol.si
To advance automotive lightweighting, a study was conducted on steady-state magnetic-
field-assisted resistance spot welding of 6082 aluminum alloy (1.0 mm thick) and 7075 …