A review on the effect of laser pulse shaping on the microstructure and hot cracking behavior in the welding of alloys

P Zhang, Z Jia, Z Yu, H Shi, S Li, D Wu, H Yan… - Optics & Laser …, 2021 - Elsevier
There are mainly two kinds of laser used in welding of materials, continuous laser beam
welding (CLBW) and pulsed laser beam welding (PLBW). The two kinds of laser welding …

[HTML][HTML] Pulsed laser welding applied to metallic materials—A material approach

M Chludzinski, RE Dos Santos, C Churiaque… - Metals, 2021 - mdpi.com
Joining metallic alloys can be an intricate task, being necessary to take into account the
material characteristics and the application in order to select the appropriate welding …

The influence of laser pulse shape and separation distance on dissimilar welding of Al and Cu films

F Lerra, A Ascari, A Fortunato - Journal of Manufacturing Processes, 2019 - Elsevier
Pulsed Nd: YAG laser welding of Aluminum-Copper (Al-Cu) electrical connections has been
investigated, focusing attention on the definition of optimal process parameters to achieve …

Effect of pulse shaping on solidification process and crack in 5083 aluminum alloy by pulsed laser welding

Z Jia, P Zhang, Z Yu, H Shi, H Liu, D Wu, X Ye… - Optics & Laser …, 2021 - Elsevier
Solidification crack was a common welding defect in welding of aluminum alloy. When
solidification shrinkage and heat shrinkage of the vulnerable zone and its surrounding solids …

Effect of process parameters on pulsed laser welding of AA5083 alloy using response surface methodology and pulse shape variation

M Chludzinski, RE Dos Santos, C Churiaque… - … International Journal of …, 2022 - Springer
Aluminium alloys exhibit eco-friendly aspects related to global environmental issues, such
as almost unlimited recyclability. Nevertheless, some intrinsic characteristics are challenges …

An experimental study on lap joining of multiple sheets of aluminium alloy (AA 5754) using friction stir spot welding

D Labus Zlatanovic, S Balos, JP Bergmann… - … International Journal of …, 2020 - Springer
Friction stir spot welding (FSSW) process is widely used in the automotive industry for a
range of applications such as battery components, standard wire connectors and terminals …

Effect of initial/tail of the pulse waveform on surface morphology of AZ31 magnesium alloy laser spot welding

X Zhang, S Bian, W Zhang, P Zhao - Vacuum, 2023 - Elsevier
Abstract Effects of initial/tail of the pulse waveform on coupling efficiency and surface
morphology of AZ31 magnesium alloy laser spot welding is investigated. Research shows …

Assessment of power modulation formats on penetration depth for laser welding

F Cavilha Neto, M Pereira, LE dos Santos Paes… - Journal of the Brazilian …, 2021 - Springer
Penetration depth is a relevant output for laser welding, since its increment enables the
joining of thick plates in one pass, thus contributing to productivity. A usual way of achieving …

Double Stage Friction Stir Spot Extrusion Welding: a Novel Manufacturing Technique for Joining Sheets

IT Abdullah, MK Mejbel, BMA Al-bhadle - Experimental Techniques, 2024 - Springer
A Novel Technique is proposed in this investigation called Double Stage Friction Stir Spot
Extrusion Welding (DSFSSEW). It is carried out in two stages by using a pin-shoulder tool in …

Effect of laser welding process parameters and filler metals on the weldability and the mechanical properties of AA7020 aluminium alloy

SB Adisa, I Loginova, A Khalil, A Solonin - Journal of Manufacturing and …, 2018 - mdpi.com
This research work aims at finding the optimum process parameters for the laser welding of
AA7020 aluminium alloys. The use of 7xxx series alloys is limited because of weldability …