Results 1 to 10 of about 7,497 (161)
Prediction and controlling for welding deformation of propeller base structure
Journal of Ocean Engineering and Science, 2021 Welding deformation often brings about manufacturing problems such as dimensional inaccuracies during assembly and reduces fabrication efficiency. Prediction and controlling welding deformation can help to improve the quality of welded structures.
Junan Yi +3 more
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Journal of Materials Research and Technology, 2021 Based on Marc. MSC software, this paper developed a thermo-elastic-plastic finite element method (FEM) to simulate the welding residual stresses and deformation in the low alloy high strength steel joints. The welding residual stresses and deformation in
Yifeng Wang +3 more
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Journal of Materials Research and Technology, 2023 Residual stress induced by welding easily causes deformation and even fracture failure in welded structures. In this paper, a three-dimensional thermal-mechanical coupling finite element model of friction stir welding (FSW) was developed.
Bin Wang +5 more
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MetalsIn this study, thermal elasto-plastic finite element analysis was conducted to derive the optimal welding sequence to minimize overlay welding deformation on the water wall panels of an SRF (solid refuse fuel) boiler.
Hong-Lae Jang, Hyunsu Ryu, Sungwook Kang
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Applied Sciences, 2019 The welding process, which accounts for about 60% of the shipbuilding process, inevitably involves weld deformation. Considering this, productivity can be significantly increased if weld deformation can be predicted during the design phase, taking into ...
Yongtai Kim, Jaewoong Kim, Sungwook Kang
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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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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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