Papers by Author: Anne Marie Huntz

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Authors: Bernard Lesage, L. Maréchal, Anne Marie Huntz, Régine Molins
1707
Authors: Anne Marie Huntz, S.C. Tsaï, J. Balmain, K. Messaoudi, Bernard Lesage, C. Dolin
313
Authors: J. Steinmetz, Pierre Steinmetz, Anne Marie Huntz
223
Authors: G. Calvarin-Amiri, Régine Molins, Anne Marie Huntz
467
Authors: Anne Marie Huntz, M. Andrieux, Gael Sattonnay, Marc Condat
713
Authors: S.C. Tsaï, Anne Marie Huntz, Jean Philibert
1195
Authors: Vincent Menvie Bekale, Corinne Legros, Gael Sattonnay, Anne Marie Huntz, Bernard Lesage, Christos Argirusis, François Jomard
Abstract: Yttria-stabilized zirconia (YSZ) ceramic is considered as an attractive matrix for nuclear applications, such as inert matrix for the destruction of excess plutonium or good host material for nuclear waste storage. Some actinide elements in high-level radioactive wastes can be simulated by cerium as tetravalent actinide, and gadolinium as trivalent actinide or neutron absorber. The present work is focused on the diffusion study of Ce and Gd in YSZ single crystal and high density polycrystals. A thin film of Ce or Gd was deposited either by spin-coating method or by physical vapour deposition on the surface of polished samples. The diffusion experiments were performed from 1173 to 1673 K under air. The Ce or Gd diffusion profiles were determined by secondary ion mass spectrometry. The experiments led to the determination of effective diffusion coefficient, Deff, bulk and grain boundary diffusion coefficients, DB and DGB. The dependence of these diffusion coefficients on temperature is described by means of Arrhenius equations and the diffusivity is compared with literature.
46
Authors: G. Calvarin-Amiri, Bernard Lesage, Anne Marie Huntz, Régine Molins
1695
Authors: Jean Michel Brossard, Anne Marie Huntz, J. Balmain, G. Bonnet
327
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