Results 51 to 60 of about 2,115,926 (403)

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

open access: yesPhotonics, 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   +6 more
doaj   +1 more source

Part Fabrication Using Laser Machining and Welding [PDF]

open access: yes, 1993
This paper describes the current work on a laser cutting and welding system for the fabrication of prototype parts in mild and .. stainless steels.
Pridham, M.S., Thomson, G.
core   +1 more source

Depth Dependence and Keyhole Stability at Threshold, for Different Laser Welding Regimes

open access: yesApplied Sciences, 2020
Depending of the laser operating parameters, several characteristic regimes of laser welding can be observed. At low welding speeds, the aspect ratio of the keyhole can be rather large with a rather vertical cylindrical shape, whereas at high welding ...
R. Fabbro
semanticscholar   +1 more source

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

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

open access: yes, 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

Autogenous Fiber Laser Welding of 316L Austenitic and 2304 Lean Duplex Stainless Steels

open access: yesMaterials, 2020
This study presents results of experimental tests on quality of dissimilar welded joints between 316L austenitic and 2304 lean duplex stainless steels, welded without ceramic backing.
M. Landowski   +3 more
semanticscholar   +1 more source

A comparative study of microstructure and corrosion resistance in DP980 steel joints under different laser welding method

open access: yesJournal of Materials Research and Technology, 2023
Three different laser welding methods were used to welding 2 mm DP980 steel butt joint, which were laser welding, laser-TIG hybrid welding and laser powder feeding (CoCrNi) welding respectively.
Shengli Liu   +4 more
doaj  

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

Multi-response optimization of CO2 laser welding process of austenitic stainless steel [PDF]

open access: yes, 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

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

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