Results 1 to 10 of about 7,259 (245)
Metals, 2022 The China Fusion Engineering Test Reactor vacuum vessel has strict tolerances requirements and a large number of fully penetrated joints in the manufacturing and assembly processes.
Haibiao Ji +7 more
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Metals, 2023 Welding deformation occurs due to non-uniform thermal expansion, thermal contraction, restraint, and phase transformation in a metal by a local welding heat source.
Se-Hwan Lee +2 more
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Zhongguo Jianchuan Yanjiu, 2021 ObjectivesThe welding distortion of block structures in the fabrication of semi-submersible lifting and disassembly platforms influences their dimensional accuracy and production schedule.MethodsThus, taking a B514 block as the research object, the ...
Jiangchao WANG +4 more
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Controlling deformation and residual stresses in a TIG joint for Invar steel molds
Journal of Materials Research and Technology, 2023 Invar steel is used to produce molds for composite materials for its thermal expansion coefficient similarity to those materials. These molds show wear resistance, provide good dimensional accuracy of produced parts, and they are produced with tungsten ...
Yu Su +7 more
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Classification of pressure welding methods depending on thermal deformation conditions [PDF]
MATEC Web of Conferences, 2020 In this study, a classification of welding methods is proposed, based on the peculiarities of metal gripping under various heat-deformation conditions for the implementation of welding processes.
Bulychev Vsevolod +4 more
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Journal of Materials Research and Technology, 2023 This study examines the impact of welding heat input on the residual stress and welding deformation of large, thin-walled constructions made of ultra-high strength steel using a single shot calculation method.
Shuai Liu +7 more
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A new approach of CMT seam welding deformation forecasting based on GA-BPNN
Fracture and Structural Integrity, 2020 Welding deformation affects the quality of the welded parts. In this paper, by introducing improved back propagation neural network (BPNN), a cold metal transfer (CMT) welding deformation prediction model for aluminum-steel hybrid sheets is established ...
Yao Lu, Yanfeng Xing, Xuexing Li, Sha Xu
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International Journal of Naval Architecture and Ocean Engineering, 2022 We report on the evaluation of the radial deformation caused by the welding process on a typical pressure cylindrical shell with ring stiffeners. Welding experiments on butt and fillet welding were conducted beforehand, and temperature-dependent material
Hong Zhou, Chaonan Shen, Jiangchao Wang
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A MIG Welding Clamping Scheme for Power Battery Enclosure’s Deformation Restrain
Applied Sciences, 2022 Aiming at the inward shrinkage between the frame and the bottom plate of the power battery enclosure after MIG (melt inert-gas) welding, a welding clamping scheme with hook-pull devices was designed.
Jun Xu, Jiapeng Zuo, Gangyan Li
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Metals, 2022 The double-sided welding process is widely used in ship construction due to its high welding efficiency and forming quality. In order to further reduce the deformation caused by double-sided welding for medium-small assemblies in ships, the optimization ...
Yi Shen +4 more
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