Results 91 to 100 of about 2,888 (228)

Measurement of laser absorptivity for operating parameters characteristic of laser drilling regime [PDF]

, 2008
Publisher version : http://iopscience.iop.org/0022-3727/41/15/155502/Laser drilling in the percussion regime is commonly used in the aircraft industry to drill sub-millimetre holes in metallic targets.
SCHNEIDER, Matthieu, BERTHE, Laurent, FABBRO, Rémy, MULLER, Maryse   +3 more
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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

Achieving aerospace standard porosity levels when welding thin and thick-section aluminium using fibre-delivered lasers : executive summary [PDF]

Environmental and commercial pressures have forced the aerospace industry to look at alternatives to riveting for the manufacture of aluminium aircraft structures.
Verhaeghe, Ing G.
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Method for defect-free hybrid laser-arc welding of closed circumferential welds [PDF]

, 2022
S.334-339This paper presents investigation results of a process for defect-free hybrid laser arc welding (HLAW) of closed circumferential welds. The process aims to avoid weld imperfections in the overlap area of a HLAW circumferential weld.
Gumenyuk, Andrey, Gook, Sergej, Rethmeier, Michael, Üstündag, Ömer   +3 more
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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

Improved productivity in fusion welding : executive summary [PDF]

This document is an Executive Summary of individual submissions of work that the author has submitted towards the degree of Engineering Doctorate. The work comprises three main themes, which can be demonstrated in a broader sense as contributing ...
Howse, D. S.
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Hybrid laser arc welding of 25 mm thick materials using electromagnetic weld pool support [PDF]

, 2019
In addition to the many advantages of deep penetration, increased welding speed and a low sensitivity to manufacturing tolerances such as gap and edge offset, the hybrid laser arc welding process is used increasingly in industrial applications such as ...
Gumenyuk, Andrey, Rethmeier, Michael, Avilov, Vjaceslav, Üstündag, Ömer   +3 more
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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

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 and hybrid laser-arc welding a ball valve [PDF]

, 2022
Tämä diplomityö tehtiin osana Vexve Oy:n käynnissä olevaa tutkimusprojektia. Diplomityön tavoitteena oli tutkia palloventtiilirakenteen osien hitsattavuutta laser- ja hybridihitsaamalla.
Mäkelä, Reetta
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