Results 31 to 40 of about 1,274,166 (252)

Research of temperature and microstructure in friction stir welding of Q235 steel with laser-assisted heating

open access: yesResults in Physics, 2018
In this paper, a three dimension heat source is developed in laser heated friction stir welding. The model was calculated by CFD software FLUENT, and the temperature field and flow field of the welding are obtained.
Xinjiang Fei, Zhifeng Wu
doaj   +1 more source

Innovations in Monitoring, Control and Design of Laser and Laser-Arc Hybrid Welding Processes

open access: yesMetals, 2021
With the rapid development of high power laser, laser welding has been widely used in many fields including manufacturing, metallurgy, automobile, biomedicine, electronics, aerospace etc. Because of its outstanding advantages, such as high energy density,
Zheng-Xiong Ma   +4 more
doaj   +1 more source

High-Speed GMAW and Laser GMAW Hybrid Welding of Steel Sheet [PDF]

open access: yes, 2009
Arc welding is the most widely used set of joining technologies in industry today. The automotive tier supplier network and light manufacturing are significant users of arc welding, particularly gas metal arc welding (GMAW) and pulsed GMAW (GMAW-P ...
Harris, I. D.
core   +7 more sources

Recognition of DC01 Mild Steel Laser Welding Penetration Status Based on Photoelectric Signal and Neural Network

open access: yesMetals, 2023
Achieving online inspection and recognition of laser welding quality is essential for intelligent industrial manufacturing. The weld penetration status is an important indicator for assessing the welding quality, and the optical signal is the most common
Yue Niu, Perry P. Gao, Xiangdong Gao
doaj   +1 more source

PARAMETERS FORECASTING OF LASER WELDING BY THE ARTIFICIAL INTELLIGENCE TECHNIQUES

open access: yesFacta Universitatis. Series: Mechanical Engineering, 2018
Laser welding process is used in many industrial sectors. One of the most important aspects of the laser welding quality refers to the geometrical and mechanical properties of welding joints.
Vlastimir Nikolić   +4 more
doaj   +1 more source

Residual Stress in Laser Welding of TC4 Titanium Alloy Based on Ultrasonic laser Technology

open access: yesApplied Sciences, 2018
Laser welding is widely used in titanium alloy welding due to its high energy density, small heat affected zone, and rapid processing ability. However, problems with laser welding, such as deformation and cracking caused by residual stress, need to be ...
Yu Zhan   +3 more
doaj   +1 more source

Progressive developments and challenges in dissimilar laser welding of steel to various other light alloys (Al/Ti/Mg): A comprehensive review

open access: yesHeliyon, 2022
In recent days, the utilization of lightweight alloys for various applications has been increased massively. Starting from the automobile industry, aerospace industry, and even in the biomedical field, there is a need for dissimilar precise joining of ...
Partha Sarathi Ghosh   +7 more
doaj   +1 more source

Vacuum brazing of titanium alloy to stainless steel enhance by fiber laser surface texturing

open access: yesJournal of Mechanical Engineering and Sciences, 2021
A method for improving the brazing joining strength of Titanium alloy/Stainless steel fabricated through fibre laser surface texturing is introduced because it is a simple process that does not require the fabrication of complicated interlayers. However,
A.J. Sulaiman H.   +5 more
doaj   +1 more source

Ultrafast Laser Welding of Silicon

open access: yesAdvanced Photonics Research, 2023
While ultrafast laser welding is an appealing technique for bonding transparent workpieces, it is not applicable for joining silicon samples due to nonlinear propagation effects which dramatically diminish the possible energy deposition at the interface.
Maxime Chambonneau   +4 more
openaire   +3 more sources

Affecting the Properties of Copper–Graphene Electroconductive Composite by Severe Plastic Deformation

open access: yesAdvanced Engineering Materials, EarlyView.
Copper‐based composites enhanced with carbon feature convenient mechanical properties and favorable electric conductivity. Processing via deformation and thermomechanical treatments can introduce advantageous microstructures further enhancing their performance. Herein, copper–graphene powder‐based composites are directly consolidated via rotary swaging
Radim Kocich   +3 more
wiley   +1 more source

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