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  1. No Access

    Article

    Inkjet printing of Ce0.8Gd0.2O2 thin films on Ni-5%W flexible substrates

    The successful inkjet printing of a cerium gadolinium oxide (Ce0.8Gd0.2O2) precursor solution on highly textured Ni-5%W is reported. A stable ink was synthesised from metal acetates and propionic acid with rheolo...

    M. Mosiadz, R. I. Tomov, S. C. Hopkins… in Journal of Sol-Gel Science and Technology (2010)

  2. No Access

    Article

    From Solid State Diffusion to Configurational Kinetics

    A single model is proposed to describe the cohesive energy and the vacancy jump frequencies as a function of the alloy configuration at the atomic level. The very same model therefore yields both equilibrium and ...

    G. Martin, M. Athènes, C. Desgranges, M. Nastar… in MRS Online Proceedings Library (1998)

  3. No Access

    Article

    Role of Interstitial and Interstitial-Impurity Interaction on Irradiation-Induced Segregation in Austenitic Steels

    Segregation under irradiation in austenitic steels is due to a permanent flux of vacancies and interstitials produced by irradiation towards sinks like surfaces and interfaces. A model based on a mean field la...

    M. Nastar, P. Bellon, G. Martin, J. Ruste in MRS Online Proceedings Library (1997)

  4. No Access

    Article

    Amorphization mechanisms of NiZr2 by ball-milling

    The microstructure of NiZr2 in the course of amorphization by ball-milling is studied by transmission electron microscopy (TEM) and x-ray diffraction (XRD). The evolution from the initial fully crystalline alloy ...

    D. Galy, L. Chaffron, G. Martin in Journal of Materials Research (1997)

  5. No Access

    Article

    Microstructural Kinetics in Alloys Undergoing Transmutations: Application to Aic Neutron Absorbers

    Whenever an alloy changes composition because of metal to metal transmutations, as is the case in Ag-In-Cd alloys undergoing (n, −) actions in the control rods of Pressurised Water Reactors, unique features may d...

    C. Desgranges, G. Martin, F. Defoort in MRS Online Proceedings Library (1996)

  6. No Access

    Article

    Modelling diffusion-controlled kinetics in equilibrium and driven alloys

    We introduce a very simple model for thermally activated atomic migration on a lattice, and several techniques to handle it. For thermodynamical systems, the model can be used for simulating decomposition path...

    G. Martin, P. Bellon, R. Soisson in Journal of Computer-Aided Materials Design (1996)

  7. No Access

    Article

    Order-Disorder Transition Under Shearing : Application to Ball Milling

    The evolution under sustained shear of an ordered crystal with B2 structure is studied by Monte-Carlo simulation: the effect of shearing is modelled by shifts of atomic planes, while thermally activated atomic...

    P. Pochet, P. Bellon, L. Chaffron, G. Martin in MRS Online Proceedings Library (1995)

  8. No Access

    Article

    A Monte-Carlo Study of B2 Ordering and Precipitation on a Bcc Lattice

    Atomistic Monte-Carlo simulations of precipitation and B2 ordering in a binary alloy on a BCC lattice via vacancy mechanism are presented. Evolution of simulated patterns is in good agreement with the experime...

    M. Athènes, P. Bellon, G. Martin, F. Haider in MRS Online Proceedings Library (1995)

  9. No Access

    Article

    Valence-band discontinuity between GaN and AIN measured by x-ray photoemission spectroscopy

    The valence-band discontinuity at a wurtzite GaN/AIN (0001) heterojunction is measured by means of x-ray photoemission spectroscopy. The method first measures the core level binding energies with respect to th...

    G. Martin, S. Strite, A. Botchkarev, A. Agarwal… in Journal of Electronic Materials (1995)

  10. No Access

    Article

    Monte Carlo Simulations for Bcc Alloys Under Irradiation: Phase Stability and Microstructural Evolutions

    When a compound is maintained in far for equilibrium configurations by nuclear collisionsunder irradiation, the steady-state properties of the system can no longer be predicted from equilibrium thermodynamics....

    F. Soisson, P. Bellon, A. Barbu, G. Martin in MRS Online Proceedings Library (1994)

  11. No Access

    Article

    Phase Equilibria under Irradiation

    A solid under irradiation is a far-from equilibrium system, and therefore phase equilibria in such a system cannot be assessed from equilibrium thermodynamics. Starting from a kinetic description which incorpo...

    P. Bellon, F. Soisson, Y. Grandjean, G. Martin in MRS Online Proceedings Library (1993)

  12. No Access

    Chapter

    Stochastic Description of Ordering in Driven Compounds

    The relative stability of phases in driven systems such as alloys under irradiation cannot be assessed from thermodynamic potentials. Nevertheless, starting from a mesoscopic stochastic description, one can de...

    P. Bellon, G. Martin in Ordering and Disordering in Alloys (1992)

  13. No Access

    Chapter

    Interface Stability in Driven Compounds

    To model the behaviour of an ordered alloy under irradiation, we propose a mean-field approximation of the B2-A2 order-disorder transition on a B.C.C. lattice with two atomic exchange mechanisms acting in para...

    F. Soisson, P. Bellon, G. Martin in Ordering and Disordering in Alloys (1992)

  14. No Access

    Article

    Antisite Defects and Nonequilibrium Phase Transition in Intermetallics

    G. Martin, P. Bellon in MRS Bulletin (1991)

  15. No Access

    Article

    Determination of da/dN-ΔK 1 curves for small cracks in alumina in alternating bending tests

    Crack-growth relations under cyclic fatigue conditions are mostly determined for long cracks. In order to determine da/dN-ΔK curves for small cracks from lifetimes under cyclic load a procedure has been derived w...

    T. Fett, G. Martin, D. Munz, G. Thun in Journal of Materials Science (1991)

  16. No Access

    Article

    v-K curves for borosilicate glass obtained from static bending tests with cracks introduced by the bridge method

    T. Fett, G. Martin, D. Munz in Journal of Materials Science Letters (1991)

  17. No Access

    Chapter

    Non Linear Phenomena in Solid State Diffusion

    The standard treatment of diffusion is linear in the sense that fluxes may be written as linear combinations of concentration gradients.

    G. Martin in Diffusion in Materials (1990)

  18. No Access

    Article

    Stochastic Description of Cascade Size Effects on Phase Stability Under Irradiation

    Cascade size may affect phase stability under irradiation because of two distinct contributions: the replacement to displacement cross section ratio depends on the deposited energy density; ballistic jumps whi...

    P. Bellon, G. Martin in MRS Online Proceedings Library (1988)

  19. No Access

    Chapter

    Stability Criteria for Phases Under Irradiation

    As is well known, alloys under irradiation experience: defect accumulation, chemical mixing, irradiation enhanced atomic diffusion, point defect fluxes towards point defect sinks or towards local recombination...

    G. Martin, P. Bellon in Patterns, Defects and Microstructures in Nonequilibrium Systems (1987)

  20. No Access

    Article

    Determination of the activation energies for nucleation and growth of crystal nuclei in metallic glasses

    A mathematical procedure is proposed in order to determine separately the activation energy for nucleation,E n, and for growth,E g, from isothermal crystallization experiments on metallic glasses. Differential sc...

    Q. C. Wu, M. Harmelin, J. Bigot, G. Martin in Journal of Materials Science (1986)

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