Results 1 to 10 of about 1,781,818 (285)

Influence of welding sequence on residual stress distribution and deformation in Q345 steel H-section butt-welded joint

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, Guangjie Feng, Xiaowei Pu, Dean Deng   +3 more
doaj   +3 more sources

A self-learning method with domain knowledge integration for intelligent welding sequence planning [PDF]

Scientific Reports
Due to the emergence of mass personalized production, intelligent welding systems must achieve high levels of productivity and flexibility. Therefore, a self-learning welding-task sequencing method that is driven by data and knowledge was developed ...
Weidong Shen, Xuewen Wang, Juanli Li, Yong Wang, Xiaojun Qiao   +4 more
doaj   +2 more sources

Influence of welding sequences on residual stress and deformation of U-rib components fabricated by laser-arc hybrid welding

Journal of Materials Research and Technology
This paper aims to investigate the influence of welding sequences on welding induced residual stress and deformation of U-rib components fabricated by laser-arc hybrid welding through experimental and numerical methods.
Shaoning Geng, Yuantai Li, Ping Jiang, Yilin Wang, Jun Jin, Chu Han   +5 more
doaj   +3 more sources

Weld Distortion and Residual Stresses in Aluminum Hollow Section T-Joint [PDF]

International Journal of Advanced Design and Manufacturing Technology, 2022
Welding is known as one of the most popular attaching methods for different hollow section components. However, local concentrated heating, distortion, and residual stresses at welded joints are unavoidable.
Asghar Mahdian, Arash Babamiri, Behrooz Shahriari   +2 more
doaj   +1 more source

Immune Optimization of Double-Sided Welding Sequence for Medium-Small Assemblies in Ships Based on Inherent Strain Method

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, Suodong Liu, Mingxin Yuan, Xianling Dai, Jinchun Lan   +4 more
doaj   +1 more source

Influence of welding sequence and external restraint on buckling distortion in thin-plate arc-welded joints

Journal of Advanced Joining Processes, 2023
Buckling distortion as a troublesome engineering issue is easily generated in thin-plate arc-welded components (generally less than 4 mm in thickness).
Jiamin Sun, Klaus Dilger
doaj   +1 more source

Effect of Welding Sequence and the Transverse Geometry of the Weld Overlay on the Distribution of Residual Stress in the Weld Overlay Repair of T23 Tubes

Metals, 2021
Water-wall tubes are important components in power plants and are used to absorb the heat from the boilers, and they often fail prematurely due to corrosion, erosion, and fatigue during service. To repair the defects, weld overlay repair is often adopted
Xin Xiao, Qu Liu, Mengjia Hu, Kejian Li, Zhipeng Cai   +4 more
doaj   +1 more source

Prediction and reduction of out-of-plane welding distortion of typical block in fabrication of semi-submersible lifting and disassembly platform

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, Hong ZHANG, Runchou YANG, Jiancheng LIU, Hong ZHOU   +4 more
doaj   +1 more source

Analysis of the Effect of Tungsten Inert Gas Welding Sequences on Residual Stress and Distortion of CFETR Vacuum Vessel Using Finite Element Simulations

Metals, 2018
The as-welded sectors of China Fusion Engineering Testing Reactor (CFETR) vacuum vessel (VV) have very tight tolerances. However, it is difficult to investigate the welding stress and distortion without the production of a full-scale prototype. Therefore,
Jingwen Zhang, Liming Yu, Yongchang Liu, Zongqing Ma, Huijun Li, Chenxi Liu, Jiefeng Wu, Jianguo Ma, Zhanlun Li   +8 more
doaj   +1 more source

Ship block assembly sequence planning considering productivity and welding deformation

International Journal of Naval Architecture and Ocean Engineering, 2018
The determination of assembly sequence in general mechanical assemblies plays an important role in terms of manufacturing cost, duration and quality.In the production of ships and offshore plants, the consideration of productivity factors and welding ...
Minseok Kang, Jeongyeon Seo, Hyun Chung
doaj   +1 more source