Fundamentals of interface phenomena in advanced bulk nanoscale materials

B. Baretzky, M. D. Baró, G. P. Grabovetskaya, J. Gubicza, M. B. Ivanov, Yu R. Kolobov, T. G. Langdon, J. Lendvai, A. G. Lipnitskii, A. A. Mazilkin, A. A. Nazarov, J. Nogués, I. A. Ovidko, S. G. Protasova, G. I. Raab, Á Révész, N. V. Skiba, J. Sort, M. J. Starink, B. B. StraumalS. Suriñach, T. Ungár, Alexander P. Zhilyaev

Research output: Contribution to journalReview articleResearchpeer-review

34 Citations (Scopus)


The review is devoted to a study of interface phenomena influencing advanced properties of nanoscale materiais processed by means of severe plastic deformation, high-energy ball milling and their combinations. Interface phenomena include processes of interface defect structure relaxation from a highly nonequilibrium state to an equilibrium condition, grain boundary phase transformations and enhanced grain boundary and triple junction diffusivity. On the basis of an experimental investigation, a theoretical description of the key interfacial phenomena controlling the functional properties of advanced bulk nanoscale materials has been conducted. An interface defect structure investigation has been performed by transmission electron microscopy (TEM), high-resolution X-ray diffraction, atomic simulation and modeling. The problem of a transition from highly non-equilibrium state to an equilibrium one, which seems to be responsible for low thermostability of nanoscale materials, was studied. Also enhanced grain boundary diffusivity is addressed. Structure recovery and dislocation emission from grain boundaries in nanocrystalline materials have been investigated by analytical methods and modeling. © 2005 Advanced Study Center Co. Ltd.
Original languageEnglish
Pages (from-to)45-108
JournalReviews on Advanced Materials Science
Issue number1
Publication statusPublished - 1 Apr 2005


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