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Heck, P. R.; Pellin, M. J.; Davis, A. M.; Martin, I.; Renaud, I.; Benbalagh, R.; Isheim, D.; Seidman, D. N.; Hiller, J.; Stephan, T.; Lewis, R. S.; Savina, M. R.; Maine, A.; Elam, J.; Staermann, F. J.; Zhao, X.; Daulton, T. L.; Amari, S. |
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Atom-Probe Tomographic Analyses of Presolar Silicon Carbide Grains and Meteoric Nanodiamonds – First Results on Silicon Carbide |
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2010 |
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40th Lunar and Planetary Science Conference |
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NU @ karnesky @ |
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10734 |
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Hadjadj, L.; Menand, A.; Martin, C. |
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Atom probe study of a Ti-10V-2Fe-3Al alloy: preliminary results |
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1987 |
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Journal de Physique |
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J. de Phys. |
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48-C6 |
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atom probe field ion microscopy |
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3825 |
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Menand, A.; Chambreland, S.; Martin, C. |
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Atom probe study of titanium base alloys: preliminary results |
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1986 |
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Journal de Physique |
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J. de Phys. |
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47-C2 |
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atom probe field ion microscopy |
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3651 |
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Martin, N. L. S.; MacAdam, K. B. |
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Electric-field ionization of laser-excited Rydberg atoms in a magnetic field |
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1986 |
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Journal of Physics B: Atomic and Molecular Physics |
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J. Phys. B |
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19 |
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3642 |
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Hetherly, J.; Martinez, E.; Di, Z.F.; Nastasi, M.; Caro, A. |
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Helium bubble precipitation at dislocation networks |
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2011 |
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Scripta Materialia |
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In Press |
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Uncorrected Proof |
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Modeling; Precipitation; Grain boundary structure; He bubbles |
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We report on a study of nanoscale He bubble precipitation and growth at a twist grain boundary in two face-centered cubic materials. Experimentally, the twist boundary in Au captures all the He in the sample, forming equal-sized bubbles at the dislocation intersection junctions. Simulations in Cu reveal a complex structure of the interface and different He pressure in the interface bubbles compared to bulk, providing an explanation for the high efficiency of the boundary to capture all the He in the sample. |
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1359-6462 |
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NU @ karnesky @ |
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11267 |
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Soisson, F.; Martin, G. |
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Monte Carlo Simulations of the Decomposition of Metastable Solid Solutions: Transient and Steady-State Nucleation Kinetics |
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2000 |
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Physical Review B |
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62 |
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203-214 |
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phase-separation
ising-model
diffusion
alloys
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We present a study on the kinetics of coherent precipitation in weakly super-saturated substitutional solid solutions by the Monte Carlo method. Our simulations are based on a simple atomistic model of diffusion by vacancy jumps. The whole precipitation process (from early stages to late stage coarsening) is followed for various supersaturations and temperatures, and typical behaviors observed in the simulations are compared to those predicted by the classical theories. Special emphasis is placed on the first stages of the decomposition (incubation and nucleation) and on the effects of the vacancy diffusion mechanism. Finally we consider the addition of a third (impurity) element, which can be used to control the kinetic pathway: such effects are quantitatively explored with the Monte Carlo method. |
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Soisson, F.
CEA Saclay, DECM, SRMP, Rech Met Phys Sect, F-91191 Gif Sur Yvette, France
CEA Saclay, DECM, SRMP, Rech Met Phys Sect, F-91191 Gif Sur Yvette, France |
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Times Cited: 18
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English
Cited References Count: 44
331ul |
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refbase @ user |
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1603 |
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Habibi-Bajguirani, H. R.; Martin, J. W.; Cantor, B. |
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TEM Studies of the Precipitation in High {Zr} Spray Formed {Al-Li-Zr} |
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Book Chapter |
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1996 |
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Aluminium Alloys: Their Physical and Mechanical Properties, Pts 1-3 |
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217 |
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871-876 |
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Materials Science Forum |
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refbase @ user |
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1166 |
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Martin, M.L.; Somerday, B.P.; Ritchie, R.O.; Sofronis, P.; Robertson, I.M. |
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Hydrogen-induced intergranular failure in nickel revisited |
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2012 |
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Acta Materialia |
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In Press |
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Corrected Proof |
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Hydrogen embrittlement; Intergranular cracking; Transmission electron microscopy; Scanning electron microscopy; Nickel |
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Using a combination of high-resolution scanning and transmission electron microscopy, the basic mechanisms of hydrogen-induced intergranular fracture in nickel have been revisited. Focused-ion beam machining was employed to extract samples from the fracture surface to enable the examination of the microstructure immediately beneath it. Evidence for slip on multiple slip systems was evident on the fracture surface; immediately beneath it, an extensive dislocation substructure exists. These observations raise interesting questions about the role of plasticity in establishing the conditions for hydrogen-induced crack initiation and propagation along a grain boundary. The mechanisms of hydrogen embrittlement are re-examined in light of these new results. |
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1359-6454 |
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NU @ karnesky @ |
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11313 |
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Martin, Georges |
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Solute Transfer at Interfaces |
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2003 |
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Autrans |
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NU @ karnesky @ |
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103 |
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Georges Martin |
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Resumee Georges Martin |
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Miscellaneous |
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2019 |
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Georges Martin |
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CV Georges Martin |
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NU @ z-mao2 @ |
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11558 |
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