Results 71 to 80 of about 3,101,403 (200)

Corrosion Behavior of High-Nitrogen Steel Hybrid Welded Joints Fabricated by Hybrid Laser-Arc Welding. [PDF]

Materials (Basel), 2023
You X, Ning K, Bai D, Liu Y, Zhang H, Liu F.   +5 more
europepmc   +1 more source

Effects of edge oxides from laser cutting in laser-arc hybrid welding

, 2018
Laser-arc hybrid welding (LAHW) is a promising technique for joining sheets due to fast processing speeds and small gap bridgeability. Prior to welding, the edges are often prepared using laser cutting.
Masami Mizutani, Seiji Katayama, Mizutani, Masami,, Kawahito, Yousuke,, Pan Qinglong, Jan Frostevarg, Frostevarg, Jan,, Qinglong, Pan,, Katayama, Seiji,, Yousuke Kawahito   +9 more
core   +1 more source

Joining 30 mm Thick Shipbuilding Steel Plates EH36 Using a Process Combination of Hybrid Laser Arc Welding and Submerged Arc Welding

, 2022
This article presents a cost-effective and reliable method for welding 30 mm thick sheets of shipbuilding steel EH36. The method proposes to perform butt welding in a two-run technique using hybrid laser arc welding (HLAW) and submerged arc welding (SAW).
Ahmet Midik, Andrey Gumenyuk, Biegler, M., Gook, Sergej, Max Biegler, Midik, A., Gumenyuk, Andrey, Biegler, Max, Sergej Gook, Gook, S., Midik, Ahmet, Rethmeier, Michael, Michael Rethmeier   +12 more
core   +1 more source

EFFECT OF LASER BEAM AND ARC POWER ON WELD BEAD GEOMETRY IN HYBRID LASER ARC WELDING OF STRUCTURAL STEEL

Zbornik radova
Hybrid Laser Arc Welding – HLAW combines the advantages of Laser Beam Welding - LBW and Gas Metal Arc Welding - GMAW, resulting in a welding process of high welding speed, less heat input, deeper penetration into the welding material, and increased process efficiency compared to conventional welding processes.
Martin Petreski, Dobre Runchev, Gligorche Vrtanoski, Filip Zdraveski, Marko Stankoski   +4 more
openaire   +1 more source

Laser–Arc Welding Adaptive Model of Multi-Pre-Welding Condition Based on GA-BP Neural Network

Metals
In large welding structures, maintaining a uniform assembly condition and machined dimension in the pre-welding groove is challenging. The assembly condition and machined dimension of the pre-welding groove significantly impact the selection of the ...
Zesheng Wu, Zhaodong Zhang, Gang Song
doaj   +1 more source

Dissimilar unbeveled aluminum to steel butt joint achieved by laser-arc hybrid welding-brazing

Journal of Materials Research and Technology
In this study, unbeveled butt joints of 2 mm thick steel and aluminum plates were welded using a laser-arc hybrid process. The influence of welding speed and wire feed speed on joint weld formation, microstructures, and mechanical properties were ...
Gaoyang Yu, Xiaoming Nie, Lize Li, Shuhai Chen, Yonglei Wang   +4 more
doaj   +1 more source

Guidelines in the Choice of Parameters for Hybrid Laser Arc Welding with Fiber Lasers

Physics Procedia, 2013
AbstractLaser arc hybrid welding has been a promising technology for three decades and laser welding in combination with gas metal arc welding (GMAW) has shown that it is an extremely promising technique. On the other hand the process is often considered complicated and difficult to set up correctly. An important factor in setting up the hybrid welding
Eriksson, Ingemar, Powell, John, Kaplan, Alexander   +2 more
openaire   +2 more sources

Research on corrosion propagation mechanism in laser-arc hybrid high-nitrogen steel welded joint by dendritic connectivity

Journal of Materials Research and Technology
Localized corrosion in laser–arc hybrid welded high-nitrogen steel joints is strongly affected by microstructural heterogeneity. This study focused on the effect of welding speed on dendritic connectivity and the correlation with localized corrosion ...
Di Bai, Xudong Wang, Jia Liu, Yan Shi, Hong Zhang, Li Yang   +5 more
doaj   +1 more source

Laser and Hybrid Laser-Arc Welding of Cryogenic 9%NI Steel

Global Nuclear Safety, 2016
Heat treated 9%Ni steel is considered the most suitable and economic material for construction of large-size liquefied natural gas (LNG) storage tanks which operate at cryogenic temperatures (-196°C). Strength above 700 MPa as well as a minimum impact value of 60 J are required to ensure reliable operation of the LNG tanks at operating temperature ...
GOOK S., GUMENYUK A., RETHMEIER M., EL-BATAHGY А.М.   +3 more
openaire   +2 more sources

Laser hybrid welding of high strength steels

, 2001
This paper presents results from an ongoing investigation into laser-arc-hybrid welding of thick, high strength steels used in the heavy mechanical and heavy automotive industries.
Engström, Hans, Gustavsson, B., Nilsson, Tony, Anders Skirfors, Bertil Gustavsson, Skirfors, Anders, Hans Engström, Klas Nilsson, Jan Flinkfeldt, Nilsson, Klas, Tony Nilsson, Flinkfeldt, Jan   +11 more
core   +3 more sources