Results 21 to 30 of about 170,204 (307)

Effects of Underwater Friction Stir Welding Heat Generation on Residual Stress of AA6068-T6 Aluminum Alloy

open access: yesMaterials, 2022
This article aims to study water-cooling effects on residual stress friction stir welding (FSW) of AA6068-T6 aluminum alloy. For this reason, the FSW and submerged FSW processes are simulated by computational fluid dynamic (CFD) method to study heat ...
Hassanein I. Khalaf   +4 more
semanticscholar   +1 more source

Analysis of residual stresses in electron beam welding with filler wire of Ti62A alloy

open access: yesJournal of Materials Research and Technology, 2023
Residual stress significantly affects the performance of the welded joints and the tensile residual stress easily leads to the joint fracture and failure.
Bin Wang   +3 more
doaj   +1 more source

Coupled Eulerian–Lagrangian prediction of thermal and residual stress environments in dissimilar friction stir welding of aluminum alloys

open access: yesJournal of Advanced Joining Processes, 2021
The evaluation of residual stresses (RS) induced by the friction stir welding (FSW) process is crucial in anticipating the performance of the welded structure.
K. Salloomi, S. Al-Sumaidae
semanticscholar   +1 more source

Investigation on welding residual stress and vibration characteristics of ring-stiffened cylindrical shell

open access: yesZhongguo Jianchuan Yanjiu, 2023
ObjectiveThis study investigates complex welding residual stress and its effect on the vibration characteristics of a ring-stiffened cylindrical shell.MethodsFusion welding with carbon dioxide as the shield gas is employed to finish the welding of a ring-
Jiangchao WANG   +4 more
doaj   +1 more source

A perspective on residual stresses in welding [PDF]

open access: yesScience and Technology of Welding and Joining, 2011
Welding induced residual stress occurs due to non-uniform simultaneous heating and cooling, local variation in shrinkage because of variable cooling rates in different regions of the weld, and strains associated with metallurgical phase transformations.
A De, T DebRoy
openaire   +1 more source

Residual Stress Test and Finite Element Analysis of Titanium Alloy Surface Obtained by Electron Beam Welding

open access: yesJournal of Aeronautical Materials, 2016
Ti60 titanium alloy plates were welded by electron beam,and the welding residual stress was tested and simulated by the residual stress tester and finite element analysis.
LIU Xiaojia   +5 more
doaj   +1 more source

Mean stress correction in fatigue design under consideration of welding residual stress

open access: yesWelding in the World, 2020
The fatigue strength of welded steels is affected by the applied load mean stress and the residual stress in the vicinity of the weld. The mean stress correction in fatigue design concepts used for welded structures commonly distinguishes between three ...
J. Hensel
semanticscholar   +1 more source

Nondestructive Evaluation of Welding Residual Stresses in Dissimilar Welded Pipes [PDF]

open access: yesJournal of Nondestructive Evaluation, 2013
This paper investigates the nondestructive capability of ultrasonic waves in residual stress evaluation of dissimilar welded pipes. Longitudinal critically refracted (L CR ) waves are employed to measure the residual stresses in a pipe-pipe joint of stainless steel 304 and carbon steel A106. Measuring the acoustoelastic constant is usually accomplished
Javadi, Yashar   +3 more
openaire   +4 more sources

Residual stress evaluation in API 5L X65 girth welded pipes joined by friction welding and gas tungsten arc welding

open access: yesJournal of Materials Research and Technology, 2019
The present study compared the residual stress states in friction welded pipes of API 5L X65 to those achieved by gas tungsten arc welding (GTAW). X-ray diffraction (XRD) was used to assess residual stresses.
Carlos Alexandre Pereira de Moraes   +4 more
doaj   +1 more source

Practical examination of the welding residual stress in view of low-carbon steel welds

open access: yes, 2020
The practical measurement of a welded workpiece is now feasible due to the improvement in the measuring instruments. There is a discrepancy between the theoretical and the measured welding stress profiles.
Hsuan-Han Lai, Weite Wu
semanticscholar   +1 more source

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