Results 11 to 20 of about 3,844 (153)
Journal of Materials Research and Technology, 2023 In this work, a permanent connection of a high-nitrogen steel plate is achieved by using layer-by-layer powder-filled laser welding of high-nitrogen steel powder, and the stability levels of the welding process, microstructures and mechanical properties ...
Lei Wang +7 more
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Characterizations of welding mode transformation process during 1-μm and 10-μm laser welding
AIP Advances, 2020 To reveal the enhancing energy coupling effect of plasma, a comparison of the welding mode transformation process during 1-µm and 10-µm laser welding of aluminum alloys is carried out through experimental observation and theoretical analysis.
S. H. Guo, J. L. Zou, R. S. Xiao
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Journal of Hebei University of Science and Technology, 2017 During the high-power laser welding process, plasmas are induced by the evaporation of metal under laser radiation, which can affect the coupling of laser energy and the workpiece, and ultimately impact on the reliability of laser welding quality and ...
Teng WANG, Juequan CHEN, Xiaoli JIN
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Journal of Materials Research and Technology, 2020 Severe spattering is one of the common problems during fiber laser keyhole welding. In this study, the correlation between the spatter formation and laser-induced evaporation vapor on the front keyhole wall (FKW) was studied by changing the welding speed
Gaolei Zhang +4 more
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Effect of Pre and Post Weld Heat Treatments on the Microstructure and Mechanical Properties of Fiber Optic Beam Delivery System Assisted Robotic Nd: Yag Laser Welded Ti-6Al-4V Alloy [PDF]
Archives of Metallurgy and Materials, 2018 In the present study, Ti6Al4V titanium alloy plates were joined using robotic laser welding method. Pre- and post-weld heat treatments were applied to laser welded joints.
C. Köse, E. Karaca
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LASER WELDING WITH MICRO-JET COOLING FOR TRUCK FRAME WELDING [PDF]
Transport Problems, 2017 The aim of this paper is to analyse the mechanical properties of the weld steel structure of car body truck frames after laser welding. The best welding conditions involve the use of proper materials and alloy elements in steel and filer materials, in ...
Jan PIWNIK +3 more
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Journal of Marine Science and Engineering, 2021 The International Maritime Organization has recently updated the ship emission standards to reduce atmospheric contamination. One technique for reducing emissions involves using liquefied natural gas (LNG). The tanks used for the transport and storage of
Du-Song Kim +4 more
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Narrow Gap Welding of X80 Steel Using Laser-CMT Hybrid Welding with Misaligned Laser and Arc
Crystals, 2022 The feasibility of using laser-cold metal transfer (CMT) misaligned hybrid welding to join an X80 line-pipe steel in a narrow gap configuration was investigated.
Bofang Zheng +8 more
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Metals, 2020 The International Maritime Organization (IMO) is tightening regulations to reduce greenhouse gas emissions from ship operations. As a result, the number of vessels using liquefied natural gas (LNG) as fuel has increased rapidly. At this time, ASTM A553-1
Jaewoong Kim, Jisun Kim
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Archives of Metallurgy and Materials, 2015 Autogenous laser welding of 5.0 mm thick butt joints of thermomechanically rolled steel S700MC was investigated. The Yb:YAG disk laser TruDisk 3302 emitted at 1.03 μm was used for the trials of autogenous welding.
Lisiecki A.
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