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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Fallot, Guillaume
Laboratoire de Mécanique et Procédés de Fabrication
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (3/3 displayed)
- 2018Gaseous nitriding behaviour of 33CrMoV12-9 steel: evolution of the grain boundaries precipitation and influence on residual stress developmentcitations
- 2016Optimization of gaseous nitriding of steels by multi-physics modelling
- 2014Evolution of residual stresses during short time nitriding of 33CrMoV12-9 steel gradecitations
Places of action
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document
Optimization of gaseous nitriding of steels by multi-physics modelling
Abstract
International audience ; Gaseous nitriding is controlled by temperature, time and surface nitrogen potential. Tuning these parameters lead to the expected mechanical properties (hardness, residual stresses) and durability of treated mechanical parts. In this paper, a methodology is proposed to optimize nitriding parameters by using a multi-physics modelling of the nitriding treatment (microstructure, diffusion/precipitation mechanisms, hardness and residual stress generation). This model is particularly suited to the diffusion layer and does not apply to the compound layer. The scope concerns low-alloyed carbon steels and gaseous nitriding. The role of carbon is established and taken into account in the proposed methodology.