Results 91 to 100 of about 170,298 (228)

INFLUENCE OF WELDING PARAMETERS ON WELD BEAD GEOMETRY IN LASER BEAM WELDING OF CARBON STEEL ST 37

Nonconventional Technologies Review
Laser beam welding (LBW) is a non-conventional joining technology widely used in industry due to its advantages, such as a small heat-affected zone (HAZ) and high precision.
Sandor Ravai Nagy, Mihail Aurel Titu, Gheorghe Ioan Pop, Alina Bianca Pop, Peter Kosa   +4 more
doaj  

Achieving of ultra high power laser deep welding for 20 mm thick Inconel 690 alloy: Process optimization, non-uniformity of microstructure and mechanical properties

Journal of Materials Research and Technology
Welding thick plates is challenging via traditional arc welding due to the high accumulated welding heat input and thermal deformation. Ultra-high power laser welding is a promising method for thick-walled structures because of the high welding ...
Cheng Xiong, Shuangjian Chen, Peng Pan, Zihui Dong, Shanglu Yang, Zhengqiang Zhu   +5 more
doaj   +1 more source

Fiber-Diode Hybrid Laser Welding of IGBT Copper Terminals

Metals
The traditional ultrasonic bonding technique for IGBT T2 copper terminals often causes physical damage to ceramic substrates, severely compromising the reliability of power modules.
Miaosen Yang, Qiqi Lv, Shengxiang Liu, Qian Fu, Xiangkuan Wu, Yue Kang, Xiaolan Xing, Zhihao Deng, Fuxin Yao, Simeng Chen   +9 more
doaj   +1 more source

A Study on the Algorithm of Quality Evaluation for Fiber Laser Welding Process of ASTM A553-1 (9% Nickel Steel) Using Determination of Solidification Crack Susceptibility. [PDF]

Materials (Basel), 2020
Park M, Kim J, Pyo C, Son J, Kim J.
europepmc   +1 more source

Bulging Distortion of Austenitic Stainless Steel Sheet on the Partially Penetrated Side of Non-Penetration Lap Laser Welding Joint

Chinese Journal of Mechanical Engineering
Non-penetration laser welding of lap joints in austenitic stainless steel sheets is commonly preferred in fields where the surface quality is of utmost importance.
Chengwu Yao, Enze Liu, Jiaming Ni, Binying Nie   +3 more
doaj   +1 more source

Laser welding of Al6061 alloy with dynamic beam shape

International Journal of Lightweight Materials and Manufacture
Modern laser systems can greatly enhance the technological capabilities of welding processes. This paper examines the laser welding of the Aluminum 6061 alloy using a 14 kW fiber laser equipped with Optical Phase Array (OPA) technology, which allows for ...
Aleksey Kovalevsky, Denis Baulin, Nina Armon, Shmuel Ariely, Keren Zohar-Hauber, Alexander Katz-Demyanetz   +5 more
doaj   +1 more source

Multi-layered heat source model for fiber laser welding of cryogenic steel

Journal of Ocean Engineering and Science
Simulation models can be effectively used to predict welding distortion and residual stress in laser welding systems. To this end, developing a sophisticated heat source model for finite element analysis (FEA) is crucial.
Changmin Pyo, Jaewoong Kim, Hyunseok Oh
doaj   +1 more source

Recent advances in fiber laser welding

Biuletyn Instytutu Spawalnictwa, 2018
Vijay Kancharla, Marco Mendes, Michael Grupp, Brian Baird   +3 more
openaire   +2 more sources

Fiber Laser Welding of Fuel Cladding and End Plug Made of La₂O₃ Dispersion-Strengthened Molybdenum Alloy. [PDF]

Materials (Basel), 2018
An G, Sun J, Sun Y, Cao W, Zhu Q, Bai Q, Zhang L.   +6 more
europepmc   +1 more source

A Comparative Study of the Heat Input During Laser Welding of Aeronautical Aluminum Alloy AA6013-T4

Journal of Aerospace Technology and Management, 2018
The heat input is the amount of energy supplied per unit length of the welded workpiece. In this study, the effect of two different heat inputs in laser beam welding of a high strength aluminum alloy AA6013-T4 was evaluated from macrostructural and ...
Bruno Nazário Coelho, Milton Sergio Fernandes de Lima, Sheila Medeiros de Carvalho, Adilson Rodrigues da Costa   +3 more
doaj