Results 71 to 80 of about 3,043,897 (201)

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

Effect of Process Parameters on the Formability, Microstructure, and Mechanical Properties of Laser-Arc Hybrid Welding of Q355B Steel. [PDF]

Materials (Basel), 2023
Zhang L, Peng G, Chi J, Bi J, Yuan X, Li W, Zhang L.   +6 more
europepmc   +1 more source

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

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

Hybrid laser welding: Laser and arc in concert

, 2022
S.34-36The idea of coupling a laser beam with a gas metal arc (GMA) has significantly expanded the original welding application range of lasers, providing improved robustness, efficiency and quality of the welding process.
Petring, D., Fuhrmann, C.
core   +1 more source

Recent advances and future prospects of laser-arc hybrid welding: process parameters, microstructural evolution, mechanical performance, and numerical simulation

Journal of Materials Research and Technology
Laser-arc hybrid welding (LAHW) has emerged as a promising joining technology by integrating the high energy density and deep penetration capability of laser welding with the excellent gap tolerance and metallurgical adaptability of arc welding. Although
Ting Zhang, Zhenming Chen, Yanxin Zhang, Qingchuan Feng, Gaoyang Yang, Jiangtao Liu, Shenghui Deng, Zhenmin Wang   +7 more
doaj   +1 more source

Laser induced arc dynamics destabilization in laser-arc hybrid welding [PDF]

, 2019
The interaction between laser and arc plasma is a central issue in laser-arc hybrid welding. We report a new interaction phenomenon called laser destabilizing arc dynamics in kilowatt fiber laser-TIG hybrid welding of 316L stainless steel.
Chen, Xin, Mu, Zhongyan, Lin, Sanbao, Hu, Renzhi, Pang, Shengyong   +4 more
core   +1 more source

Laser MIG hybrid welding of Ti-6Al-4V alloy: Leading laser - pulsed arc synergistic regulation strategy and weld forming improvement mechanism

Journal of Materials Research and Technology
MIG welding is widely used in industry because of its high efficiency and low cost, but titanium alloy welding often suffers from serpentine beads, discontinuous formation, and severe spatter.
Jiawei Guo, Qi Sun, Qinghua Zhang, Yue Liu, Yibo Liu, Qingjie Sun, Jicai Feng   +6 more
doaj   +1 more source

Understanding the influence of different HLAW parameters to increase the welding speed of 8 mm thick structural steel

Journal of Materials Research and Technology
Hybrid Laser Arc Welding (HLAW) integrates laser beam welding (LBW) and gas metal arc welding (GMAW) within a common welding zone, creating synergistic effects.
J.M. Sánchez-Amaya, Mariane Chludzinski, Alejandro Sambruno, A. Gómez-Parra   +3 more
doaj   +1 more source