Results 31 to 40 of about 219,475 (402)

Welding process optimization for blast furnace shell by numerical simulation and experimental study

Journal of Materials Research and Technology, 2023
At cold temperatures, the stress after welding a blast furnace shell is not completely released because of the fast cooling speed, which results in cracks.
Hongchao Ji, Jie Yuan, Xiaomin Huang, Xiaoming Yang, Shengqiang Liu, Baoyu Wang   +5 more
doaj   +1 more source

Effect of welding residual stress on operating stress of nuclear turbine low pressure rotor

, 2020
The purpose of this study is to investigate the effect of welding residual stress on operating stress in designing a nuclear turbine welded rotor. A two-dimensional axisymmetric finite element model is employed to calculate the residual stress before and
Long Tan, Liangying Zhao, P. Zhao, Lulu Wang, Jiajing Pan, X. Zhao   +5 more
semanticscholar   +1 more source

Welding Residual Stress Elimination Technique in the Top Chord of Main Truss of Steel Truss Bridge

Buildings, 2023
The large-amplitude fluctuations of ultrasound in high-energy ultrasonic stress relieving cause the crystal grains or lattices in the high residual stress zone to vibrate or creep alternately.
Long Piao, Jianfeng Yuan, Niujing Ma, Changqi Yue, Ronghui Wang, Gangbing Zheng   +5 more
doaj   +1 more source

Effect of Residual Stress on the Ultimate Bearing Capacity of Titanium Alloy Pressure Spherical–Cylindrical-Combined Shells

Metals
Titanium alloy pressure spherical–cylindrical shells enable the effective utilization of the strength of spherical and cylindrical pressure-resistant shell components.
Yuxuan Wang, Jianting Guo, Bowen Zhang, Keke Ge, Liangbi Li, Feng Lv   +5 more
doaj   +1 more source

Study on Residual Stress in Single-sided and Double-sided Friction Stir Welding of Thick Plate 2219 Aluminum Alloy

Yuanzineng kexue jishu
Welding residual stress is related to the mechanical properties and service life of components. To accurately grasp the residual stress distribution of thick plate 2219 aluminum alloy after friction stir welding (FSW), optimize the welding process, and ...
WANG Binrong
doaj   +1 more source

Effect of ultrasonic peening and accelerated corrosion exposure on the residual stress distribution in welded marine steel [PDF]

, 2015
Specimens of DH36 marine steel were prepared with welded attachments. Residual stress measurements were made on the samples as-welded, following an ultrasonic peening treatment, and following accelerated corrosion exposure after ultrasonic peening ...
A. Kundu, Bilal Ahmad, I. Weich, J.A. James, J.R. Santisteban, M.B. Prime, M.B. Prime, M.B. Toparli, Michael E. Fitzpatrick, P. Pagliaro, S. Ganguly, S.J. Maddox, X. Cheng   +12 more
core   +1 more source

Comparative study of evolution of residual stress state by local mechanical tensioning and laser processing of ferritic and austenitic structural steel welds. [PDF]

, 2015
Complex thermal stresses generated in welded structures are undesirable but inevitable in fusion welding. The presence of residual stresses can be detrimental to the integrity of a welded joint.
Coules, Harry E., Ganguly, Supriyo, Pirling, T., Sule, Jibrin   +3 more
core   +1 more source

Numerical modeling of the electron beam welding and its experimental validation [PDF]

, 2016
Electron Beam Welding (EBW) is a highly efficient and precise welding method increasingly used within the manufacturing chain and of growing importance in different industrial environments such as the aeronautical and aerospace sectors.
Agelet de Saracibar Bosch, Carlos, Cervera Ruiz, Miguel, Chiumenti, Michele, Dialami, Narges, Jinwei, L., Wu, Bin   +5 more
core   +4 more sources

Numerical simulation of the influence of welding direction on residual stress after double welding of Q345 stacked-plates

Metalurgija, 2020
Based on the welding numerical simulation software Visual-environment, this paper calculates and analyzes the residual stress field for the double pass welding of Q345 stacked plates. The paper mainly studies the influence of different welding directions
B. Xu, H. Fu, Q. H. Xiao, S. Li, T. Kang
doaj  

The effect of vibratory stress on the welding microstructure and residual stress distribution [PDF]

, 2001
Previous studies have suggested that weld microstructure may be modified by the presence of static stresses. In this investigation, vibratory stress was applied to mild steel specimens while they were being welded to observe its effect on the residual ...
Munsi, A.S.M.Y., Waddell, A.J., Walker, C.A.   +2 more
core