Search Results - "Allain, S."

Effect of grain and twin boundaries on the hardening mechanisms of twinning-induced plasticity steels by Bouaziz, O., Allain, S., Scott, C.

“…New experimental data related to the grain size and the Bauschinger effects have been obtained from a high-manganese austenitic twinning-induced plasticity…”
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High manganese austenitic twinning induced plasticity steels: A review of the microstructure properties relationships by Bouaziz, O., Allain, S., Scott, C.P., Cugy, P., Barbier, D.

“…► TWIP steels exhibit a breakthrough combination of strength/ductility. ► A significant increase in TWIP steel development activity has occurred during the…”
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Analysis of the tensile behavior of a TWIP steel based on the texture and microstructure evolutions by Barbier, D., Gey, N., Allain, S., Bozzolo, N., Humbert, M.

“…The texture and microstructure evolutions of a fine-grained TWIP steel subjected to tensile tests at room temperature were investigated in relation to the…”
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Influence of addition elements on the stacking-fault energy and mechanical properties of an austenitic Fe–Mn–C steel by Dumay, A., Chateau, J.-P., Allain, S., Migot, S., Bouaziz, O.

“…We present a thermochemical model of the stacking-fault energy (SFE) in the Fe–Mn–C system with few percent of Cu, Cr, Al and Si in addition. Aluminium…”
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Intercritical annealing of cold-rolled ferrite-pearlite steel: Microstructure evolutions and phase transformation kinetics by Teixeira, J., Moreno, M., Allain, S.Y.P., Oberbillig, C., Geandier, G., Bonnet, F.

“…The manufacturing of Dual-Phase steels includes as a crucial step the annealing of a cold-rolled ferrite-pearlite (F/P) microstructure, which involves numerous…”
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New insights into martensite strength and the damage behaviour of dual phase steels by Scott, C.P., Shalchi Amirkhiz, B., Pushkareva, I., Fazeli, F., Allain, S.Y.P., Azizi, H.

“…A detailed investigation of martensite islands in ultra-high strength dual phase (DP) steels using TEM EELS carbon measurements, nano-indentation studies and…”
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Correlations between the calculated stacking fault energy and the plasticity mechanisms in Fe–Mn–C alloys by Allain, S., Chateau, J.-P., Bouaziz, O., Migot, S., Guelton, N.

“…A model is proposed for the evaluation of the stacking fault energy (SFE) in Fe–Mn–C austenitic alloys, at different temperatures. It accounts for the…”
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A physical model of the twinning-induced plasticity effect in a high manganese austenitic steel by Allain, S., Chateau, J.-P., Bouaziz, O.

“…The steel Fe–22 wt.% Mn–0.6 wt.% C exhibits a low stacking fault energy (SFE) at room temperature. This rather low value promotes mechanical twinning along…”
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Microstructure based modeling for the mechanical behavior of ferrite–pearlite steels suitable to capture isotropic and kinematic hardening by Allain, S., Bouaziz, O.

“…This study proposes a new microstructure based model for the mechanical behavior of non-microalloyed ferrite–pearlite steels. Its main originality consists in…”
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The spring of artificial intelligence: AI vs. expert for internal medicine cases by Albaladejo, A, Lorleac'h, A, Allain, J-S

“…The "Printemps de la Médecine Interne" are training days for Francophone internists. The clinical cases presented during these days are complex. This study…”
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SEM-WDS x STEM-EDS: Improving how we measure Mn partitioning in retained austenite in medium-Mn TRIP steels by Oyarzabal, I.M., Lamari, M., Remy, B., Zhu, K., Geandier, G., Allain, S.Y.P.

“…The characterization of local phase composition in a microstructure always requires a compromise between the size of the volume analyzed and the size of the…”
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In-situ investigation of quenching and partitioning by High Energy X-Ray Diffraction experiments by Allain, S.Y.P., Geandier, G., Hell, J.C., Soler, M., Danoix, F., Gouné, M.

“…We report the first ultra-fast time-resolved quantitative information on the quenching and partitioning process of conventional high strength steel by in-situ…”
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Spatial aggregation of indicators in sustainability assessments: Descriptive and normative claims by Allain, S., Plumecocq, G., Leenhardt, D.

“…•Indicators are viewed as objects to describe and debate a situation.•Indicators result from different information processes that are sometimes “hidden”.•The…”
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Manic switches induced by antidepressants: an umbrella review comparing randomized controlled trials and observational studies by Allain, N., Leven, C., Falissard, B., Allain, J.‐S., Batail, J.‐M., Polard, E., Montastruc, F., Drapier, D., Naudet, F.

“…Objective We aimed to explore whether the prevalence of manic switch was underestimated in randomized controlled trials (RCTs) compared to observational…”
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Unambiguous carbon partitioning from martensite to austenite in Fe–C–Ni alloys during quenching and partitioning by Gouné, M., Danoix, F., Allain, S., Bouaziz, O.

“…The mechanism of carbon enrichment in retained austenite during the quenching and partitioning (Q&P) process is still controversial. In this paper, from direct…”
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Structure-properties relationship of ultra-fine grained V-microalloyed dual phase steels by Scott, C.P., Fazeli, F., Shalchi Amirkhiz, B., Pushkareva, I., Allain, S.Y.P.

“…The effect of vanadium microalloying on ultra-high strength dual phase (DP) ferrite-martensite steel microstructure and properties was studied. It was found…”
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Thermally activated dislocation dynamics in austenitic FeMnC steels at low homologous temperature by Allain, S., Bouaziz, O., Chateau, J.P.

“…Thermally activated dislocation dynamics in austenitic FeMnC steels is investigated based on a collection of tensile yield stresses at different temperatures…”
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Alloying-element interactions with austenite/martensite interface during quenching and partitioning of a model Fe-C-Mn-Si alloy by Gouné, M., Aoued, S., Danoix, F., Geandier, G., Poulon-Quintin, A., Hell, J.C., Soler, M., Allain, S.Y.P.

“…The alloying elements partitioning from martensite to austenite during quenching and partitioning was analysed by coupling in situ High Energy X-Ray…”
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Towards the microstructure design of DP steels: A generic size-sensitive mean-field mechanical model by Allain, S.Y.P., Bouaziz, O., Pushkareva, I., Scott, C.P.

“…An original mean field composite model able to explain and quantify the tensile behavior of as-quenched dual phase (DP) Ferrite-Martensite steels based on the…”
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On the mechanism of unstable plastic flow in an austenitic FeMnC TWIP steel by Lebedkina, T.A., Lebyodkin, M.A., Chateau, J.-Ph, Jacques, A., Allain, S.

“…The complex character of plastic deformation of the austenitic steel Fe22Mn0.6C is studied at room temperature with the aid of high-frequency local…”
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