Results 81 to 90 of about 7,976 (220)

Modélisation du procédé de soudage hybride Arc / Laser par une approche level set application aux toles d'aciers de fortes épaisseurs A level-set approach for the modelling of hybrid arc/laser welding process application for high thickness steel sheets joining

MATEC Web of Conferences, 2013
Le procédé de soudage hybride Arc/Laser est une solution aux assemblages difficiles de tôles de fortes épaisseurs. Ce procédé innovant associe deux sources de chaleur : un arc électrique produit par une torche MIG et une source laser placée en amont.
Desmaison Olivier, Bellet Michel, Guillemot Gildas   +2 more
doaj   +1 more source

Multi-pass laser welding with cut-wire particles of 50 mm thick steel plates

Journal of Alloys and Metallurgical Systems
Multi-pass laser welding with filler wire feeding shows significant potential for welding thick plates. However, this method faces challenges due to the need for edge preparation and stringent control of parameters such as wire feed speed and the ...
Mohamed Wahba, Masami Mizutani, Seiji Katayama   +2 more
doaj   +1 more source

Study on droplet transfer behavior and porosity defects in narrow-gap laser–arc hybrid welding of titanium alloy

Hanjie xuebao
In narrow-gap laser–arc hybrid welding, the droplet transfer behavior indirectly affects the formation of porosity defects by influencing the molten pool disturbance and keyhole stability.
Fashuai XIONG, Chuang CAI, Jie YU, Zilin CHEN, Zhenxin LI, Ping TANG, Hui CHEN   +6 more
doaj   +1 more source

Research Status and Progress of All-Position Narrow-Gap GMAW for Pipelines

Applied Sciences
During the all-position narrow-gap welding process of pipelines, welding defects tend to occur in non-flat welding positions, constraining the quality and efficiency of pipeline construction.
Wenji Liu, Qing Li, Jianfeng Yue, Peng Zhu, Bing Li   +4 more
doaj   +1 more source

Microstructure and properties of AH36 steel joints by laser-submerged arc hybrid welding

Hanjie xuebao
The double-sided welding without groove for 16 mm thick AH36 steel plates was conducted by a laser-submerged arc hybrid welding process. The microstructures and mechanical properties of the laser zone and submerged arc zone of the welded joints were ...
Pengbo WU, Kai XU, Bin TENG, Hongwei LI, Naiwen FANG, Dongkun YIN, Qi LI   +6 more
doaj   +1 more source

Effects of Shielding Gas Composition on Process Stability and Arc Behavior of Laser-Cable-Type Welding Wire Arc Hybrid Welding

Metals
This study systematically investigates the behavior of droplet transfer and the characteristics of weld morphology in laser-cable-type welding wire (CWW) arc hybrid welding under varying Ar-CO2 shielding gas compositions, utilizing AH36 shipbuilding ...
Zhidong Yang, Kun Wang, Yang He, Yinhui Rao, Xiaojie Yang, Peng Zhao, Chenfu Fang, Yuntao Chen   +7 more
doaj   +1 more source

Microstructure evolution and porosity suppression in high-power laser-arc hybrid welded thick aluminum alloy T-joints through high-frequency beam oscillation

Journal of Materials Research and Technology
The mechanical properties of aluminum alloy T-joints are critically influenced by the microstructural characteristics and porosity distribution. This study systematically investigated the effects of the laser oscillation frequency from 100 to 300 Hz on ...
Jiahui Zheng, Yunfei Meng, Yu Ke, Zhiqiang Zhou, Chao Ge, Zhenxing He, Chendong Shao, Fenggui Lu, Haizhou Li, Zongtao Zhu, Hui Chen   +10 more
doaj   +1 more source

The Morphology of Laser Arc Hybrid Welds

, 2014
This thesis is about formation of surface imperfections formed in welding when using the manufacturing methods of laser welding and laser arc hybrid welding. In hybrid welding a traditional arc welding source and a laser share the same melt pool, making the process even more complex.
openaire   +1 more source

Analysis of laser arc hybrid welding experiments

, 2014
The thesis is about the analysis of experimental results on the laser arc hybrid welding (LAHW) process as well as about the methodology and tools behind. Due to the high potential on weld penetration and welding speed, the industrial importance of LAHW techniques has been increasing in the recent years.
openaire   +1 more source

Application of Laser Arc Hybrid Welding to Shipbuilding

JOURNAL OF THE JAPAN WELDING SOCIETY, 2010
TSUBOTA, Shuho, KOGA, Hiroshi
openaire   +2 more sources