Microstructures formation and phase transformations around the interface of welds between dissimilar steels
1 Laboratoire SIMAP, Domaine Universitaire, Saint-Martin d'Hères, France
2 Institute of Materials Science and Technology, Vienna University of Technology, Austria
3 AREVA NP, Materials, Chemistry and Technology Department, Paris La Défense, France
4 EDF R&D, Département MMC, Groupe Métallurgie, Les Renardières, France
The goal of this study is to understand the complex microstructures which form at the interface between a low-alloy steel and a stainless steel during welding and subsequent heat-treatment at 610 ∘C. A dual approach with both experimental measurements and thermodynamic and kinetic modeling has been chosen for both solidification and solid-state phase transformations. A very good agreement has been obtained for the carbon profile across the interface and the nature of phases which form.
© Owned by the authors, published by EDP Sciences, 2013
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