The aim of this study is to estimate residual stresses and distortions during the assembly of dissimilar metallic materials welded by Electron Beam Welding (EBW) technique. This work is motivated by a new welding procedure for the manufacture of large speed reduction gear. The gear consists of a central hub of S275 J2G3 steel and a toothed wheel of 32CrMoV13 steel, chosen for its high fatigue performances. Preliminary experimental welding tests have shown the opening of the joint plane during the circular welding of the gear leading to lack-of-fusion defects. To improve the joining technique, a thermomechanical model has been developed to predict the opening of the joint plane during welding. A two-dimensional finite element model has been applied on a simplified geometry of smaller size. The opening of the joint plane has been modelled by two different ways, the first one uses activation / deactivation elements and the second one uses specific contact elements. Both techniques have shown similar displacements. The assumptions of plane stress or generalized plane strain are discussed. Numerical results obtained with similar metals with or without metallurgical transformations are presented. Calculations carried out with dissimilar metals are compared with experiments in terms of fusion zone size and displacements.
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ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference
July 23–27, 2006
Vancouver, BC, Canada
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
0-7918-4755-1
PROCEEDINGS PAPER
Thermo-Mechanical Modelling for the Opening of Electron-Beam Welded Joints Available to Purchase
Muriel Carin,
Muriel Carin
Universite´ de Bretagne-Sud, Lorient Cedex, France
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Philippe Rogeon,
Philippe Rogeon
Universite´ de Bretagne-Sud, Lorient Cedex, France
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Pierre-Yves Manach,
Pierre-Yves Manach
Universite´ de Bretagne-Sud, Lorient Cedex, France
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Philippe Pilvin,
Philippe Pilvin
Universite´ de Bretagne-Sud, Lorient Cedex, France
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Olivier Menes,
Olivier Menes
DCN Propulsion, La Montagne, France
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Jean-Franc¸ois Sigrist
Jean-Franc¸ois Sigrist
DCN Propulsion, La Montagne, France
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Muriel Carin
Universite´ de Bretagne-Sud, Lorient Cedex, France
Philippe Rogeon
Universite´ de Bretagne-Sud, Lorient Cedex, France
Pierre-Yves Manach
Universite´ de Bretagne-Sud, Lorient Cedex, France
Philippe Pilvin
Universite´ de Bretagne-Sud, Lorient Cedex, France
Olivier Menes
DCN Propulsion, La Montagne, France
Jean-Franc¸ois Sigrist
DCN Propulsion, La Montagne, France
Paper No:
PVP2006-ICPVT-11-93108, pp. 73-79; 7 pages
Published Online:
July 23, 2008
Citation
Carin, M, Rogeon, P, Manach, P, Pilvin, P, Menes, O, & Sigrist, J. "Thermo-Mechanical Modelling for the Opening of Electron-Beam Welded Joints." Proceedings of the ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. Volume 4: Fluid Structure Interaction, Parts A and B. Vancouver, BC, Canada. July 23–27, 2006. pp. 73-79. ASME. https://doi.org/10.1115/PVP2006-ICPVT-11-93108
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