Results 31 to 40 of about 78,185 (291)

A Study on the Influences of Welding Position on the Keyhole and Molten Pool Behavior in Laser Welding of a Titanium Alloy

Metals, 2019
Various welding positions need be used in laser welding of structures with complex configurations. Therefore, it is necessary to gain knowledge of how the welding positions can influence the keyhole and weld pool behavior in order to better control the ...
Baohua Chang, Zhang Yuan, Hao Cheng, Haigang Li, Dong Du, Jiguo Shan   +5 more
doaj   +1 more source

Optimising the laser-welded butt-joints of medium carbon steel using RSM [PDF]

, 2005
The optimization capabilities in design-expert software were used to optimise the keyhole parameters (i.e. maximize penetration (P) and minimise the heat input, width of welded zone, (W) and width of heat affected zone (WHAZ)) in CW CO2 laser butt ...
Benyounis, Khaled, Hashmi, Saleem, Olabi, Abdul-Ghani   +2 more
core   +1 more source

Effect of WAAM Process Parameters on Structure and Mechanical Properties of Low-Carbon Steel Thin Walls

Journal of Manufacturing and Materials Processing
Wire Arc Additive Manufacturing (WAAM) has emerged as a promising additive manufacturing technique due to its high deposition rate and low material cost.
Margarita Klimova, Konstantin Nasonovskiy, Dmitrii Mukin, Ilya Astakhov, Artem Voropaev, Alexey Evstifeev, Alexey Silkin, Rudolf Korsmik, Nikita Stepanov   +8 more
doaj   +1 more source

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

Results 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

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

Journal 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., M. H. Aiman, M. Ishak, M. M. Quazi, T. Zaharinie, T. Ariga   +5 more
doaj   +1 more source

CO2 laser beam welding of AM60 magnesium-based alloy [PDF]

, 2010
The authors are grateful to FONDERIE MESSIER HONSEL group that provided the as-cast magnesium alloy workpieces. The authors would like also to acknowledge the technical support of Dr.
BARRALLIER, Laurent, BELHADJ, Asma, BESSROUR, Jamel, BOUHAFS, Mahmoud, MASSE, Jean-Eric   +4 more
core   +5 more sources

Study on the Physical Characteristics of Plasma and Its Relationship with Pore Formation during Laser-Metal Active Gas Arc Hybrid Welding of 42CrMo Steel

Photonics, 2023
The automobile industry puts forward higher requirements for the design and manufacture of steel pistons. However, the welding of 42CrMo steel pistons still has unsolved technical problems, especially welding defects that cannot be directly detected ...
Yan Zhang, Hao Li, Xin Mi, Hongzhi Zhou, Mingjun Zhang, Zhongmin Wan, Liyuan Tang   +6 more
doaj   +1 more source

PARAMETERS FORECASTING OF LASER WELDING BY THE ARTIFICIAL INTELLIGENCE TECHNIQUES

Facta 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, Miloš Milovančević, Dalibor Petković, Dejan Jocić, Milan Savić   +4 more
doaj   +1 more source

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

Metals, 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

Control of welding residual stress for dissimilar laser welded materials [PDF]

, 2008
The most common problem of welding dissimilar metals (DMWs) with respect to residual stresses is the differences in the coefficient of thermal expansion and heat conductivity of the two welded metals.
A.G. Olabi, Anawa, Anawa, Anawa, Dawes, E.M. Anawa, Juang, Lu, Masabutchi, Mochizuki, Nickola, Schajer, Sun, Sun, Tarng, Viotti   +15 more
core   +1 more source