Results 11 to 20 of about 4,469,807 (237)

Study of fundamental parameters in hybrid laser welding [PDF]

open access: yes, 2011
This thesis undertakes a study of laser welding in terms of basic laser material interaction parameters. This includes power density, interaction time and specific point energy.
Suder, Wojciech
core   +7 more sources

Process monitoring and adaptive quality control for robotic gas metal arc welding [PDF]

open access: yes, 1995
The aim of this research was to develop an adaptive quality control strategy for robotic gas metal arc welding of thin steel sheets. Statistical methods were used to monitor and control the quality of welds produced.
Ogunbiyi, T. E. B.
core   +7 more sources

Double pulse gas metal arc welding process parameter optimization and weld performance analysis based on response surface method

open access: yesMaterials Research Express, 2023
Double pulse gas metal arc welding (DP-GMAW) is a low-frequency modulated high-frequency pulse welding, which can fully stir the molten pool, and improve the forming and performance of the weld. In this study, a mathematical model was developed using the
Kun Bin   +4 more
doaj   +1 more source

Statistical modelling of the narrow gap gas metal arc welding process [PDF]

open access: yes, 1990
The J-laying technique for the construction of offshore pipelines requires a fast welding process that can produce sound welds in the horizontal-vertical position.
Modenesi, P. J.
core   +7 more sources

Effect of Welding Parameters of Resistance Spot Welding on Mechanical Properties and Corrosion Resistance of 316L

open access: yesMaterials Research, 2022
The purpose of this research is to analyze the mechanical properties and corrosion resistance of spot welding of stainless steels AISI 316L using the process of resistance spot welding varying welding parameters with three level for each of welding ...
Safaa M Hassoni   +3 more
doaj   +1 more source

Effect of Parameters Change on the Weld Appearance in Stainless Steel Underwater Wet Welding with Flux-Cored Wire

open access: yesMetals, 2019
The underwater wet welding (UWW) technology is rapidly developing as a crucial method in the maintenance work of marine equipment and offshore platform.
Ning Guo   +5 more
doaj   +1 more source

Influence of processing parameters on the tool and workpiece mechanical interaction during Friction Stir Welding [PDF]

open access: yes, 2009
During Friction Stir Welding process, FSW, a tool / workpiece mechanical interaction is generated leading to forces and torques applied on the tool. These forces and torques are transmitted to the welding equipment impacting its technical requirements ...
MARTIN, Patrick   +6 more
core   +1 more source

Analysis of hybrid Nd:Yag laser-MAG arc welding processes. [PDF]

open access: yes, 2011
In the hybrid laser-arc welding process, a laser beam and an electric arc are coupled in order to combine the advantages of both processes: high welding speed, low thermal load and high depth penetration thanks to the laser; less demanding on joint ...
F. Coste   +9 more
core   +1 more source

Melt Pool and Keyhole Behavior Analysis for Deep Penetration Laser Welding [PDF]

open access: yes, 2010
One usually defines the main characteristic of the welding performances of a given laser system by its “penetration curve” that corresponds to the welding depth as a function of the welding speed Vw for a given set of operating parameters.
R Fabbro, Fabbro, R, FABBRO, Rémy
core   +1 more source

All-position welding control system based on machine vision and nonlinear regression

open access: yesAdvances in Mechanical Engineering, 2021
Aiming at the problems of poor welding quality and low degree of automatic welding on the engineering site, a welding process parameter control method based on machine vision and nonlinear regression technology is proposed.
Yu Tang   +4 more
doaj   +1 more source

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