Determination of the volume fraction of precipitates in a nitrided Fe- 0.354 wt% C-2.93 wt% Cr model alloy by anomalous small angle X-ray scattering
Article dans une revue avec comité de lecture
Auteur
DUMONT, MyriamBARRALLIER, Laurent JÉGOU, SébastienRésumé
Anomalous small angle scattering (ASAXS) is a powerful non-destructive technique that can provide char- acteristic features of nanoscale precipitates such as the volume fraction, and chemical composition. In this paper, the technique is used for the first time to explore nanoscale MN nitrides (M = Cr,Fe) after nitriding of a model iron alloy (Fe-0.354 wt% C-2.93 wt% Cr).
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Communication avec acteDUMONT, Myriam; ; JÉGOU, Sébastien (2015)
Nitriding is a thermo-chemical surface treatment of steels providing an improved fatigue and wear resistance. This treatment is based on nitrogen diffusion involving the precipitation of nano-scaled nitrides from the solid ...
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Communication sans acte; ; ; ; ;DUMONT, Myriam; ; JÉGOU, Sébastien (2014)
Anomalous small-angle X-ray scattering (ASAXS) is a technique developed in the 1980s. It offers the opportunity to go further in the investigation of nano-objects by providing chemical information besides characteristic ...
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Article dans une revue avec comité de lecture; ; ;DUMONT, Myriam; MASSE, Jean-Eric; (Elsevier, 2012)
Friction stir welding induces a microstructural evolution and residual stresses that will influence the resulting mechanical properties. Friction stir welds produced from magnesium alloy hot rolled plates were studied. ...
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Article dans une revue avec comité de lecture; ; ;DUMONT, Myriam; MASSE, Jean-Eric; (Elsevier, 2011)
AZ31 hot rolled magnesium alloy presents a strong basal texture. Using laser beam welding (LBW) as a joining process induces high temperature gradients leading to major texture changes. EBSD was used to study the texture ...
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Article dans une revue avec comité de lecture;DUMONT, Myriam; MASSE, Jean-Eric; (Elsevier, 2009)
The temperature evolution during friction stir welding (FSW) and the resulting residual stresses of AZ31 Mg alloy were studied to get a better understanding of the mechanisms involved in this process. The relationship ...