Investigation of temperature and residual stresses field of submerged arc welding by finite element method and experiments

This article reports on a numerical and experimental investigation to understand and improve computer methods in application of the Goldak model for predicting thermal distribution in submerged arc welding (SAW) of APIX65 pipeline steel. Accurate prediction of the thermal cycle and residual stresses...

Full description

Saved in:

Bibliographic Details
Main Authors:	M.R. Nezamdost, Mohammadreza Nekouie Esfahani, S.H. Hashemi, S.A. Mirbozorgi
Format:	Default Article
Published:	2016
Subjects:	Mechanical engineering not elsewhere classified Submerged arc welding (SAW) API X65 steel Thermal cycle Finite element method Goldak model Steel Welding Mechanical Engineering not elsewhere classified
Online Access:	https://hdl.handle.net/2134/20666
Tags:	Add Tag No Tags, Be the first to tag this record!

id	rr-article-9562208
record_format	Figshare
spelling	rr-article-95622082016-01-01T00:00:00Z Investigation of temperature and residual stresses field of submerged arc welding by finite element method and experiments M.R. Nezamdost (7211783) Mohammadreza Nekouie Esfahani (7203539) S.H. Hashemi (7211786) S.A. Mirbozorgi (7211789) Mechanical engineering not elsewhere classified Submerged arc welding (SAW) API X65 steel Thermal cycle Finite element method Goldak model Steel Welding Mechanical Engineering not elsewhere classified This article reports on a numerical and experimental investigation to understand and improve computer methods in application of the Goldak model for predicting thermal distribution in submerged arc welding (SAW) of APIX65 pipeline steel. Accurate prediction of the thermal cycle and residual stresses will enable control of the fusion zone geometry, microstructure, and mechanical properties of the SAW joint. In this study, a new Goldak heat source distribution model for SAW is presented first. Both 2D and 3D finite element models are developed using the solution of heat transfer equations in ABAQUS Standard implicit. The obtained results proved that the 2D axi-symmetric model can be effectively employed to simulate the thermal cycles and the welding residual stresses for the test steel. As compared to the 3D analysis, the 2D model significantly reduced the time and cost of the FE computation. The numerical accuracy of the predicted fusion zone geometry is compared to the experimentally obtained values for bead-on-plate welds. The predictions given by the present model were found to be in good agreement with experimental measurements. 2016-01-01T00:00:00Z Text Journal contribution 2134/20666 https://figshare.com/articles/journal_contribution/Investigation_of_temperature_and_residual_stresses_field_of_submerged_arc_welding_by_finite_element_method_and_experiments/9562208 CC BY-NC-ND 4.0
institution	Loughborough University
collection	Figshare
topic	Mechanical engineering not elsewhere classified Submerged arc welding (SAW) API X65 steel Thermal cycle Finite element method Goldak model Steel Welding Mechanical Engineering not elsewhere classified
spellingShingle	Mechanical engineering not elsewhere classified Submerged arc welding (SAW) API X65 steel Thermal cycle Finite element method Goldak model Steel Welding Mechanical Engineering not elsewhere classified M.R. Nezamdost Mohammadreza Nekouie Esfahani S.H. Hashemi S.A. Mirbozorgi Investigation of temperature and residual stresses field of submerged arc welding by finite element method and experiments
description	This article reports on a numerical and experimental investigation to understand and improve computer methods in application of the Goldak model for predicting thermal distribution in submerged arc welding (SAW) of APIX65 pipeline steel. Accurate prediction of the thermal cycle and residual stresses will enable control of the fusion zone geometry, microstructure, and mechanical properties of the SAW joint. In this study, a new Goldak heat source distribution model for SAW is presented first. Both 2D and 3D finite element models are developed using the solution of heat transfer equations in ABAQUS Standard implicit. The obtained results proved that the 2D axi-symmetric model can be effectively employed to simulate the thermal cycles and the welding residual stresses for the test steel. As compared to the 3D analysis, the 2D model significantly reduced the time and cost of the FE computation. The numerical accuracy of the predicted fusion zone geometry is compared to the experimentally obtained values for bead-on-plate welds. The predictions given by the present model were found to be in good agreement with experimental measurements.
format	Default Article
author	M.R. Nezamdost Mohammadreza Nekouie Esfahani S.H. Hashemi S.A. Mirbozorgi
author_facet	M.R. Nezamdost Mohammadreza Nekouie Esfahani S.H. Hashemi S.A. Mirbozorgi
author_sort	M.R. Nezamdost (7211783)
title	Investigation of temperature and residual stresses field of submerged arc welding by finite element method and experiments
title_short	Investigation of temperature and residual stresses field of submerged arc welding by finite element method and experiments
title_full	Investigation of temperature and residual stresses field of submerged arc welding by finite element method and experiments
title_fullStr	Investigation of temperature and residual stresses field of submerged arc welding by finite element method and experiments
title_full_unstemmed	Investigation of temperature and residual stresses field of submerged arc welding by finite element method and experiments
title_sort	investigation of temperature and residual stresses field of submerged arc welding by finite element method and experiments
publishDate	2016
url	https://hdl.handle.net/2134/20666
_version_	1796739871706972160

Investigation of temperature and residual stresses field of submerged arc welding by finite element method and experiments

Similar Items