Numerical and Experimental Analyses of Residual Stresses in

Jan Langkjær Hansen, Jesper Hattel, Torben Lorentzen

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    Butt-welding in one pass with SMAW of two 10mm mild steel plates is investigated. In order to predict the residual stress fields associated with the welding procedure, a finite element model in 3D has been developed in ABAQUS. This model applies a sequential thermal and mechanical numerical analysis. In order to evaluate and refine the model parameters for the thermal analysis, the numerical results from this analysis are compared with experimental measurements of the temperature. To evaluate the predicted stress/strain fields, the mechanical model has been validated experimentally. This has been done using the novel non-destructive technique of neutron diffraction.The thermal model takes into account the moving heat source in the V-shaped weld. The heat source is modelled by filler material being added continuously in connection with a body flux. In order to obtain a more realistic weld pool geometry, a surface flux, Gaussian distributed transverse to the weld, has also been included.
    Original languageEnglish
    Title of host publicationMathematical Modelling of Weldability
    Place of PublicationCambridge, UK
    PublisherIOM Communications
    Publication date1999
    Publication statusPublished - 1999
    Event5th International Seminar on Numerical Analysis of Weldability - Graz - Seggau, Austria
    Duration: 1 Jan 1999 → …

    Conference

    Conference5th International Seminar on Numerical Analysis of Weldability
    CityGraz - Seggau, Austria
    Period01/01/1999 → …

    Cite this

    Hansen, J. L., Hattel, J., & Lorentzen, T. (1999). Numerical and Experimental Analyses of Residual Stresses in. In Mathematical Modelling of Weldability Cambridge, UK: IOM Communications.
    Hansen, Jan Langkjær ; Hattel, Jesper ; Lorentzen, Torben. / Numerical and Experimental Analyses of Residual Stresses in. Mathematical Modelling of Weldability. Cambridge, UK : IOM Communications, 1999.
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    abstract = "Butt-welding in one pass with SMAW of two 10mm mild steel plates is investigated. In order to predict the residual stress fields associated with the welding procedure, a finite element model in 3D has been developed in ABAQUS. This model applies a sequential thermal and mechanical numerical analysis. In order to evaluate and refine the model parameters for the thermal analysis, the numerical results from this analysis are compared with experimental measurements of the temperature. To evaluate the predicted stress/strain fields, the mechanical model has been validated experimentally. This has been done using the novel non-destructive technique of neutron diffraction.The thermal model takes into account the moving heat source in the V-shaped weld. The heat source is modelled by filler material being added continuously in connection with a body flux. In order to obtain a more realistic weld pool geometry, a surface flux, Gaussian distributed transverse to the weld, has also been included.",
    author = "Hansen, {Jan Langkj{\ae}r} and Jesper Hattel and Torben Lorentzen",
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    Hansen, JL, Hattel, J & Lorentzen, T 1999, Numerical and Experimental Analyses of Residual Stresses in. in Mathematical Modelling of Weldability. IOM Communications, Cambridge, UK, 5th International Seminar on Numerical Analysis of Weldability, Graz - Seggau, Austria, 01/01/1999.

    Numerical and Experimental Analyses of Residual Stresses in. / Hansen, Jan Langkjær; Hattel, Jesper; Lorentzen, Torben.

    Mathematical Modelling of Weldability. Cambridge, UK : IOM Communications, 1999.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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    N2 - Butt-welding in one pass with SMAW of two 10mm mild steel plates is investigated. In order to predict the residual stress fields associated with the welding procedure, a finite element model in 3D has been developed in ABAQUS. This model applies a sequential thermal and mechanical numerical analysis. In order to evaluate and refine the model parameters for the thermal analysis, the numerical results from this analysis are compared with experimental measurements of the temperature. To evaluate the predicted stress/strain fields, the mechanical model has been validated experimentally. This has been done using the novel non-destructive technique of neutron diffraction.The thermal model takes into account the moving heat source in the V-shaped weld. The heat source is modelled by filler material being added continuously in connection with a body flux. In order to obtain a more realistic weld pool geometry, a surface flux, Gaussian distributed transverse to the weld, has also been included.

    AB - Butt-welding in one pass with SMAW of two 10mm mild steel plates is investigated. In order to predict the residual stress fields associated with the welding procedure, a finite element model in 3D has been developed in ABAQUS. This model applies a sequential thermal and mechanical numerical analysis. In order to evaluate and refine the model parameters for the thermal analysis, the numerical results from this analysis are compared with experimental measurements of the temperature. To evaluate the predicted stress/strain fields, the mechanical model has been validated experimentally. This has been done using the novel non-destructive technique of neutron diffraction.The thermal model takes into account the moving heat source in the V-shaped weld. The heat source is modelled by filler material being added continuously in connection with a body flux. In order to obtain a more realistic weld pool geometry, a surface flux, Gaussian distributed transverse to the weld, has also been included.

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    BT - Mathematical Modelling of Weldability

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    Hansen JL, Hattel J, Lorentzen T. Numerical and Experimental Analyses of Residual Stresses in. In Mathematical Modelling of Weldability. Cambridge, UK: IOM Communications. 1999