Results 21 to 30 of about 154,848 (294)
Multi-response optimization of CO2 laser welding process of austenitic stainless steel [PDF]
, 2008 Recently, laser welding of austenitic stainless steel has received great attention in industry, due to its wide spread application in petroleum refinement stations, power plant, pharmaceutical industry and households.
Benyounis, Khaled +2 more
core +1 more source
Effect of Pre and Post Weld Heat Treatments on the Microstructure and Mechanical Properties of Fiber Optic Beam Delivery System Assisted Robotic Nd: Yag Laser Welded Ti-6Al-4V Alloy [PDF]
Archives of Metallurgy and Materials, 2018 In the present study, Ti6Al4V titanium alloy plates were joined using robotic laser welding method. Pre- and post-weld heat treatments were applied to laser welded joints.
C. Köse, E. Karaca
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 +2 more
core +1 more source
Journal of Hebei University of Science and Technology, 2017 During the high-power laser welding process, plasmas are induced by the evaporation of metal under laser radiation, which can affect the coupling of laser energy and the workpiece, and ultimately impact on the reliability of laser welding quality and ...
Teng WANG, Juequan CHEN, Xiaoli JIN
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Journal of Materials Research and Technology, 2020 Severe spattering is one of the common problems during fiber laser keyhole welding. In this study, the correlation between the spatter formation and laser-induced evaporation vapor on the front keyhole wall (FKW) was studied by changing the welding speed
Gaolei Zhang +4 more
doaj +1 more source
LASER WELDING WITH MICRO-JET COOLING FOR TRUCK FRAME WELDING [PDF]
Transport Problems, 2017 The aim of this paper is to analyse the mechanical properties of the weld steel structure of car body truck frames after laser welding. The best welding conditions involve the use of proper materials and alloy elements in steel and filer materials, in ...
Jan PIWNIK +3 more
doaj +1 more source
Assessing carbon dioxide emission reduction potentials of improved manufacturing processes using multiregional input output frameworks [PDF]
, 2016 Evaluating innovative process technologies has become highly important within the last decades. As standard tools different Life Cycle Assessment methods have been established, which are continuously improved.
Burger, Mia +10 more
core +1 more source
Promoting austenite formation in laser welding of duplex stainless steel—impact of shielding gas and laser reheating [PDF]
Welding in the World, 2020 AbstractAvoiding low austenite fractions and nitride formation are major challenges in laser welding of duplex stainless steels (DSS). The present research aims at investigating efficient means of promoting austenite formation during autogenous laser welding of DSS without sacrificing productivity.
Amir Baghdadchi +3 more
openaire +3 more sources
Journal of Marine Science and Engineering, 2021 The International Maritime Organization has recently updated the ship emission standards to reduce atmospheric contamination. One technique for reducing emissions involves using liquefied natural gas (LNG). The tanks used for the transport and storage of
Du-Song Kim +4 more
doaj +1 more source
Eulerian Modeling of Plasma-Pressure Driven Laser Impact Weld Processes
Procedia Manufacturing, 2020 Abstract In this study, details of the rapidly evolving state of a laser impact welding (LIW) process are simulated by incorporating a hydrodynamic plasma pressure model into a high-fidelity thermomechanical Eulerian numerical approach. Detailed evolution of the localized velocities, shear stresses, plastic strains, and temperature state in the ...
Glenn Gleason +4 more
openaire +1 more source