G. Armen and . Khachaturgan, theory of structural transformations in solids, pp.103-127, 2008.

]. D. Blavette, B. Deconihout, A. Bostel, J. M. Sarrau, and A. , The tomographic atom probe: A quantitative three???dimensional nanoanalytical instrument on an atomic scale, Review of Scientific Instruments, vol.64, issue.10, p.2911, 1993.
DOI : 10.1063/1.1144382

R. A. Buckley, Microstructure and Kinetics of the Ordering Transformation in Iron???Cobalt Alloys, FeCo, FeCo???0.4%Cr, FeCo???2.5%V, Metal Science, vol.9, issue.1, pp.243-247, 1975.
DOI : 10.1080/00107517208228017

K. H. Buschow, permanent magnet materials and their applications, of Materials science foundation, 1998.

R. W. Cahn, P. Haasen, and E. J. Kramer, Materials science and technology, a comprehensive treatment, Phase transformations in materials, pp.243-248, 1990.
DOI : 10.1002/9783527619306

]. R. Cah-90b, P. Cahn, E. Haasen, and . Kramer, Phase transformations in materials, p 142, Materials science and Technology, vol.6, 1990.

W. A. Cassada, G. J. Shiflet, and E. A. Starke, The effect of plastic deformation on Al2CuLi (T 1) precipitation, Cer 05] A. Cerri, P. Leo, Mat. Sci. Eng. A, pp.299-306, 1991.
DOI : 10.1016/0036-9748(86)90505-3

A. Cerezo, T. J. Godfrey, and . Smith, Application of a position???sensitive detector to atom probe microanalysis, Review of Scientific Instruments, vol.59, issue.6, p.862, 1988.
DOI : 10.1063/1.1139794

C. F. Chang, S. Chen, and T. Z. Lin, Kattamis : Electrical resistivity of metal matrix composites, Acta materialia, issue.20, pp.51-6291, 2003.

S. Cheng, Y. H. Zhao, Y. T. Zhu, and E. Ma, Optimizing the strength and ductility of fine structured 2024 Al alloy by nano-precipitation, Acta Materialia, vol.55, issue.17, p.5822, 2007.
DOI : 10.1016/j.actamat.2007.06.043

B. Clausen, T. Lorentzen, and T. Leffers, Self-consistent modelling of the plastic deformation of f.c.c. polycrystals and its implications for diffraction measurements of internal stresses, Acta Materialia, vol.46, issue.9, pp.3087-3098, 1998.
DOI : 10.1016/S1359-6454(98)00014-7

F. Costa, A. Vurpillot, and M. Bostel, Design of a delay-line position-sensitive detector with improved performance, Review of Scientific Instruments, vol.76, issue.1, p.13304, 2005.
DOI : 10.1063/1.1829975

A. R. Deshpande, H. Xu, and J. M. Wiezorek, Effects of grain size on coercivity of combined-reaction-processed FePd intermetallics, Acta Materialia, vol.52, issue.10, pp.2903-2911, 2004.
DOI : 10.1016/j.actamat.2004.02.036

S. Esmaeili, D. J. Lloyd, and W. J. Pool, A yield strength model for the Al-Mg-Si-Cu alloy AA6111, Acta Materialia, vol.51, issue.8, pp.2243-2257, 2003.
DOI : 10.1016/S1359-6454(03)00028-4

T. Fujii, H. Nakazawa, M. Kato, and U. Dahmen, Crystallography and morphology of nanosized Cr particles in a Cu???0.2% Cr alloy, Acta Materialia, vol.48, issue.5, p.1033, 2000.
DOI : 10.1016/S1359-6454(99)00411-5

M. Gable, A. W. Zhu, A. A. Csontos, E. A. Jr, and J. , The role of plastic deformation on the competitive microstructural evolution and mechanical properties of a novel Al???Li???Cu???X alloy, Journal of Light Metals, vol.1, issue.1, pp.1-14, 2001.
DOI : 10.1016/S1471-5317(00)00002-X

B. Gault, F. Vurpillot, A. Vella, M. Gilbert, A. Menanad et al., Design of a femtosecond laser assisted tomographic atom probe, Review of Scientific Instruments, vol.77, issue.4, p.43705, 2006.
DOI : 10.1063/1.2194089

H. Holzwarth and . Stamm, The precipitation behaviour of ITER-grade Cu???Cr???Zr alloy after simulating the thermal cycle of hot isostatic pressing, Journal of Nuclear Materials, vol.279, issue.1, pp.31-45, 2000.
DOI : 10.1016/S0022-3115(99)00285-8

R. K. Islamgaliev, F. Chemlik, and R. , Thermal stability of submicron grained copper and nickel, Thèse de Doctorat, p.43, 1997.
DOI : 10.1016/S0921-5093(97)00107-X

I. Kaur, W. Gust, L. Kozma, Z. Press, . Stuttgart et al., HandBook of Grain and Interphase Boundary Diffusion Data, J. Mater. Sci, vol.1, pp.458-497, 1989.

T. Klemmer, D. Hoydick, H. Okumura, B. Zhang, and W. A. Soffa, Magnetic hardening and coercivity mechanisms in L10 ordered FePd ferromagnets, Scripta Metallurgica et Materialia, vol.33, issue.10-11, pp.1793-1805, 1995.
DOI : 10.1016/0956-716X(95)00413-P

W. A. Kulovits, W. Soffa, W. Püschl, and . Pfeiler, Ordering and disordering in L10 FePd alloys as studied by residual resistivity measurement, Intermetallics, vol.13, issue.5, pp.510-514, 2005.
DOI : 10.1016/j.intermet.2004.09.003

]. R. Kuznetsov, V. I. Bykov, V. P. Chernyshov, V. P. Pilyugin, N. A. Yfremov et al., Plastic deformation of solid bodies under pressure, 1985.

M. Lelovic, Master's thesis, 1990.

I. M. Lifschitz and V. Slyozov, The kinetics of precipitation from supersaturated solid solutions, Journal of Physics and Chemistry of Solids, vol.19, issue.1-2, pp.35-50, 1961.
DOI : 10.1016/0022-3697(61)90054-3

]. Q. Liu, D. J. Jensen, and N. Hansen, Effect of grain orientation on deformation structure in cold-rolled polycrystalline aluminium, Acta Materialia, vol.46, issue.16, pp.5819-5838, 1998.
DOI : 10.1016/S1359-6454(98)00229-8

E. Ma, Eight routes to improve the tensile ductility of bulk nanostructured metals and alloys, JOM, vol.51, issue.377, p.49, 2006.
DOI : 10.1007/s11837-006-0215-5

D. N. Manh, M. Y. Lavrentiev, and S. L. Dudarev, The Fe???Cr system: atomistic modelling of thermodynamics and kinetics of phase transformations, Comptes Rendus Physique, vol.9, issue.3-4, p.379, 2008.
DOI : 10.1016/j.crhy.2007.10.011

C. Mangler, C. Gammer, H. P. Karnthaler, and C. Rentenberger, Structural modifications during heating of bulk nanocrystalline FeAl produced by high-pressure torsion, Acta Materialia, vol.58, issue.17, pp.5631-5638, 2010.
DOI : 10.1016/j.actamat.2010.06.036

D. G. Merkel1a, . Sz, F. Sajtia, A. Tanczikóa, R. Rühmb et al., Bottyána; abstract for SuperADAM, Neutron reflectometry: the next generation and beyond Institut Laue-Langevin, 2010.

]. G. Martin, G. Martin, J. Levy, J. Oudar, G. Saada et al., Stabilité morphologique des systèmes biphasés, éditeurs : Interfaces et Surfaces en Métallurgie -Ecole d'été de métallurgie physique -Gassin, 1973.

C. Michaelsen, R. Gente, and . Bormann, Phase formation and thermodynamics of unstable Cu???Cr alloys, Journal of Materials Research, vol.195, issue.06, p.1463, 1997.
DOI : 10.1557/JMR.1997.0201

G. D. Miller and . Smith, Atom Probe Analysis: principles and applications to materials problems, 1989.

A. Miller, M. G. Cerezo, G. D. Hetherington, and . Smith, Atom probe field ion microscopy, Clarendon press, 1996.

M. Morris, D. G. Leboeuf, and . Morris, Recrystallization mechanisms in a Cu???Cr???Zr alloy with a bimodal distribution of particles, Materials Science and Engineering: A, vol.188, issue.1-2, pp.255-265, 1994.
DOI : 10.1016/0921-5093(94)90380-8

E. W. Müller and T. T. , Tsong, Field Ion Microscopy, p.7, 1969.

P. Pareige, K. F. Russel, M. K. Miller, and W. B. Pearson, A Handbook of lattice Spacings and structures of Metals and alloys, Thèse de doctorat, pp.94-95, 1953.

P. Pochet, E. Tominez, L. Chaffron, and G. Martin, Order-disorder transformation in Fe-Al under ball milling, Physical Review B, vol.52, issue.6, p.4006, 1995.
DOI : 10.1103/PhysRevB.52.4006

C. Rentenberger and H. P. Karnthaler, On the evolution of a deformation induced nanostructure in a Ni3Al alloy, Acta Materialia, vol.53, issue.10, p.3031, 2005.
DOI : 10.1016/j.actamat.2005.03.016

X. Sauvage, A. Chbihi, D. Gunderov, E. V. Belozerov, and A. G. Popov, Decomposition process in a FeAuPd alloy nanostructured by severe plastic deformation, Journal of Materials Science, vol.3, issue.4, p.7293, 2008.
DOI : 10.1007/s10853-008-2752-5
URL : https://hal.archives-ouvertes.fr/hal-00351002

J. W. Schmelzer, J. Schmelzer, and I. Gutzow, Reconciling Gibbs and van der Waals: A new approach to nucleation theory, The Journal of Chemical Physics, vol.112, issue.8, p.3820, 2000.
DOI : 10.1063/1.481595

]. G. Sha-09, Y. B. Sha, X. Z. Wang, Z. C. Liao, S. P. Duan et al., Influence of equal-channel angular pressing on precipitation in an Al???Zn???Mg???Cu alloy, Acta Materialia, vol.57, issue.10, p.3123, 2009.
DOI : 10.1016/j.actamat.2009.03.017

F. Soisson and G. Martin, Monte Carlo simulations of the decomposition of metastable solid solutions: Transient and steady-state nucleation kinetics, Physical Review B, vol.62, issue.1
DOI : 10.1103/PhysRevB.62.203

M. J. Semiatin, T. C. Saran, and . Lowe, Ultrafine grained materials II, The Minerals, Metals and Materials Society, p.209, 2002.

A. Taniyama, T. Takayama, M. Arai, T. Hamada-tang, D. M. Taplin et al., Atom-probe fiel ion microscopy, Scripta Mater Mater Sci Tecnol, vol.51, issue.270, 1985.

]. L. Valdes, Resistivity Measurements on Germanium for Transistors. Proceeding of the Institute of Radio Engineers, pp.420-427, 1954.

A. Vella, F. Vurpillot, B. Gault, B. Deconihout, V. Patlan et al., Evidence of field evaporation assisted by nonlinear optical rectification induced by ultrafast laser, Physical Review B, vol.73, issue.16, pp.165416-1639, 2002.
DOI : 10.1103/PhysRevB.73.165416

G. C. Weatherly, P. Humble, and D. Borland, Precipitation in a Cu-0,55 wt.% Cr alloy, Acta Metallurgica, vol.27, issue.12, p.1815, 1979.
DOI : 10.1016/0001-6160(79)90072-5

C. Robert and . Weast, Hand Book of Chemistry and Physics, Boca Raton Floride, vol.61, issue.33431, pp.63-71, 1980.

]. K. Wei, ;. W. Wei, F. Wang, Q. B. Du-;-i, J. Alexandrov et al., Microstructure, mechanical properties and electrical conductivity of industrial Cu???0.5%Cr alloy processed by severe plastic deformation, Materials Science and Engineering: A, vol.528, issue.3, pp.1478-1484, 2011.
DOI : 10.1016/j.msea.2010.10.059

H. T. Zhou, J. W. Zhong, X. Zhou, Z. K. Zhao, and Q. B. Li, Microstructure and properties of Cu???1.0Cr???0.2Zr???0.03Fe alloy, Materials Science and Engineering: A, vol.498, issue.1-2, pp.225-230, 2008.
DOI : 10.1016/j.msea.2008.07.061

T. G. Langdon, . Mater, and . Sci, Relation d'orientation entre les précipités du Cr (cc), 2005.

. Lorsqu-'un-précipité-de, Cr de structure cc respecte la relation d'orientation Nishiyama- Wassermann (N-W) avec la matrice de Cu, on a