Search Results - "Barbu, Alain"

Single- and dual-beam in situ irradiations of high-purity iron in a transmission electron microscope: Effects of heavy ion irradiation and helium injection by Brimbal, Daniel, Décamps, Brigitte, Henry, Jean, Meslin, Estelle, Barbu, Alain

“…In order to study the effects of 14MeV neutron irradiation on materials used in the first walls of future fusion reactors, high-purity iron was ion-irradiated…”
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Heterogeneous irradiation-induced copper precipitation in ferritic iron–copper model alloys by Pareige, Philippe, Radiguet, Bertrand, Barbu, Alain

“…The mechanism at the origin of the formation of nano-copper-enriched clusters in the ferritic matrix of nuclear reactor pressure vessel steel is not yet fully…”
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Dramatic reduction of void swelling by helium in ion-irradiated high purity α -iron by Bhattacharya, Arunodaya, Meslin, Estelle, Henry, Jean, Décamps, Brigitte, Barbu, Alain

“…Effect of helium on void swelling was studied in high-purity α-iron, irradiated using energetic self-ions to 157 displacements per atom (dpa) at 773 K, with…”
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Combined effect of injected interstitials and He implantation, and cavities inside dislocation loops in high purity Fe-Cr alloys by Bhattacharya, Arunodaya, Meslin, Estelle, Henry, Jean, Leprêtre, Frédéric, Décamps, Brigitte, Barbu, Alain

“…High purity Fe-Cr alloys with Cr content ranging from 3 to 14 wt% were irradiated by self-ions at 500 °C in dual-beam mode up to 157 displacements per atom…”
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Precipitation kinetics of Al3Zr and Al3Sc in aluminum alloys modeled with cluster dynamics by CLOUET, Emmanuel, BARBU, Alain, LAE, Ludovic, MARTIN, Georges

“…Precipitation kinetics of Al3Zr and Al3Sc in aluminum supersaturated solid solutions is studied using cluster dynamics, a mesoscopic modeling technique which…”
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Cluster dynamics modeling of the effect of high dose irradiation and helium on the microstructure of austenitic stainless steels by Brimbal, Daniel, Fournier, Lionel, Barbu, Alain

“…A mean field cluster dynamics model has been developed in order to study the effect of high dose irradiation and helium on the microstructural evolution of…”
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He and Cr effects on radiation damage formation in ion-irradiated pure iron and Fe―5.40 wt.% Cr: A transmission electron microscopy study by BRIMBAL, Daniel, MESLIN, Estelle, HENRY, Jean, DECAMPS, Brigitte, BARBU, Alain

“…The first walls of future fusion reactors will be exposed to 14 MeV neutron irradiation. In order to gain insight into their radiation resistance, model…”
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Multiscale modelling of defect kinetics in irradiated iron by Willaime, François, Fu, Chu-Chun, Torre, Jacques Dalla, Bocquet, Jean-Louis, Barbu, Alain

“…Changes in microstructure and mechanical properties of nuclear materials are governed by the kinetics of defects produced by irradiation. The population of…”
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Dual-beam irradiation of α-iron: Heterogeneous bubble formation on dislocation loops by Brimbal, Daniel, Décamps, Brigitte, Barbu, Alain, Meslin, Estelle, Henry, Jean

“…► We have irradiated α-iron in situ with Fe + and He + ions at 500 °C. ► Dislocation loops and helium bubbles are present at 1 dpa/540 appm He. ► The helium…”
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He and Cr effects on radiation damage formation in ion-irradiated pure iron and Fe–5.40wt.% Cr: A transmission electron microscopy study by Brimbal, Daniel, Meslin, Estelle, Henry, Jean, Décamps, Brigitte, Barbu, Alain

“…The first walls of future fusion reactors will be exposed to 14MeV neutron irradiation. In order to gain insight into their radiation resistance, model…”
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Using Cluster Dynamics to Model Electrical Resistivity Measurements in Precipitating Al-Sc Alloys by Clouet, Emmanuel, Barbu, Alain

“…Electrical resistivity evolution during precipitation in Al-Sc alloys is modeled using cluster dynamics. This mesoscopic modeling has already been shown to…”
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Dual-beam irradiation of I+/--iron: Heterogeneous bubble formation on dislocation loops by Brimbal, Daniel, Decamps, Brigitte, Barbu, Alain, Meslin, Estelle, Henry, Jean

“…In order to understand the evolution of materials under irradiation conditions similar to those in future fusion reactors, we have irradiated high purity iron…”
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Dual-beam irradiation of Delta a-iron: Heterogeneous bubble formation on dislocation loops by Brimbal, Daniel, Decamps, Brigitte, Barbu, Alain, Meslin, Estelle, Henry, Jean

“…In order to understand the evolution of materials under irradiation conditions similar to those in future fusion reactors, we have irradiated high purity iron…”
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Using cluster dynamics to model electrical resistivity measurements in precipitating AlSc alloys by Clouet, Emmanuel, Barbu, Alain

“…Electrical resistivity evolution during precipitation in AlSc alloys is modeled using cluster dynamics. This mesoscopic modeling has already been shown to…”
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Modeling the long-term evolution of the primary damage in ferritic alloys using coarse-grained methods by Becquart, C.S., Barbu, A., Bocquet, J.L., Caturla, M.J., Domain, C., Fu, C.-C., Golubov, S.I., Hou, M., Malerba, L., Ortiz, C.J., Souidi, A., Stoller, R.E.

“…Knowledge of the long-term evolution of the microstructure after introduction of primary damage is an essential ingredient in understanding mechanical property…”
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Precipitation kinetics of A13Zr and A13Sc in aluminum alloys modeled with cluster dynamics by Clouet, Emmanuel, Barbu, Alain, Lae, Ludovic, Martin, Georges

“…Precipitation kinetics of Al3Zr and Al3Sc in aluminum supersaturated solid solutions is studied using cluster dynamics, a mesoscopic modeling technique which…”
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Precipitation kinetics of Al 3Zr and Al 3Sc in aluminum alloys modeled with cluster dynamics by Clouet, Emmanuel, Barbu, Alain, Laé, Ludovic, Martin, Georges

“…Precipitation kinetics of Al 3Zr and Al 3Sc in aluminum supersaturated solid solutions is studied using cluster dynamics, a mesoscopic modeling technique which…”
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An Atomic and Mesoscopic Study of Precipitation Kinetics in Al-Zr-Sc Alloys by Clouet, E., Nastar, M., Barbu, A., Sigli, C., Martin, G.

“…This study illustrates how a quantitative multiscale modelling of the precipitation kinetics can be performed. Using a very limited number of experimental data…”
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Experimental and Modeling Approach of Irradiation Defects Recovery in Zirconium Alloys: Impact of an Applied Stress by Ribis, Joël, Onimus, Fabien, Béchade, Jean-Luc, Doriot, Sylvie, Cappelaere, Chantal, Lemaignan, Clément, Barbu, Alain, Rabouille, Olivier

“…During neutron irradiation, both interstitial and vacancy loops are formed in high concentration in zirconium alloys. Due to this high density of loops, the…”
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Dramatic reduction of void swelling by helium in ion-irradiated high purity α-iron by Bhattacharya, Arunodaya, Meslin, Estelle, Henry, Jean, Décamps, Brigitte, Barbu, Alain

“…Effect of helium on void swelling was studied in high-purity α-iron, irradiated using energetic self-ions to 157 displacements per atom (dpa) at 773 K, with…”
Get full text