Prediction of welding residual stresses using machine learning: Comparison between neural networks and neuro-fuzzy systems

J Mathew, J Griffin, M Alamaniotis, S Kanarachos… - Applied Soft …, 2018 - Elsevier
Safe and reliable operation of power plants invariably relies on the structural integrity
assessments of pressure vessels and piping systems. Welded joints are a potential source …

[HTML][HTML] Voxel-based full-field eigenstrain reconstruction of residual stresses in additive manufacturing parts using height digital image correlation

F Uzun, H Basoalto, K Liogas, J Chen, IP Dolbnya… - Additive …, 2023 - Elsevier
The formation of residual stresses is inevitable during the additive manufacturing of metallic
parts due to thermo-mechanicals effects, but the chaotic nature of printing processes makes …

Numerical simulation and validation of residual stresses and distortion in type 316L (N) stainless steel weld joints fabricated by advanced welding techniques

AR Pavan, B Arivazhagan, M Vasudevan… - CIRP Journal of …, 2022 - Elsevier
Hindrance to weld metal shrinkage by the adjacent base material introduces inevitable
residual stress and distortion in welded components. Nevertheless, proper choice of welding …

Advances in weld residual stress prediction: A review of the NeT TG4 simulation round robins part 2, mechanical analyses

MC Smith, AC Smith - International Journal of Pressure Vessels and Piping, 2018 - Elsevier
The members of the NeT network have undertaken parallel round-robin activities measuring
and predicting transient temperatures, fusion boundary development, weld residual stresses …

Advances in weld residual stress prediction: A review of the NeT TG4 simulation round robin part 1, thermal analyses

MC Smith, AC Smith - International Journal of Pressure Vessels and Piping, 2018 - Elsevier
The members of the NeT network have undertaken parallel round-robin activities measuring
and predicting transient temperatures, fusion boundary development, weld residual stresses …

[HTML][HTML] Full-field eigenstrain reconstruction for the investigation of residual stresses in finite length weldments

F Uzun, TL Lee, ZI Wang, AM Korsunsky - Journal of Materials Processing …, 2024 - Elsevier
The reconstruction of welding residual stresses has been performed based on the
assumption of continuous processing conditions, owing to the limitations of reconstruction …

Numerical studies of welding residual stresses in tubular joints and experimental validations by means of x-ray and neutron diffraction analysis

K Hemmesi, M Farajian, M Boin - Materials & Design, 2017 - Elsevier
The influence of residual stresses on the structural behavior of the material is of high
importance for accurate integrity assessment of welded components and structures. In the …

[HTML][HTML] Semi-analytical solutions for the transient temperature fields induced by a moving heat source in an orthogonal domain

TF Flint, JA Francis, MC Smith, AN Vasileiou - International Journal of …, 2018 - Elsevier
A semi-analytical solution has been derived for the transient temperature fields that are
generated in a three-dimensional solid body when it is subjected to one or more moving …

[HTML][HTML] Development of microstructure and residual stress in electron beam welds in low alloy pressure vessel steels

AN Vasileiou, MC Smith, JA Francis, J Balakrishnan… - Materials & Design, 2021 - Elsevier
Reduced-pressure electron beam plate butt welds were manufactured in two low-alloy
pressure-vessel steels, SA508 Gr 3 Cl 1 and Gr 2, at two thicknesses in both steels, 30 mm …

Three-dimensional simulation of 304L steel TIG welding process: Contribution of the thermal flux

M Aissani, S Guessasma, A Zitouni, R Hamzaoui… - Applied Thermal …, 2015 - Elsevier
In this study, we focus on the determination of the heat transfer properties in Tungsten-Inert-
Gas welding (TIG) problem combining an experimental and a three-dimensional simulation …