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Fundamentals of interface phenomena in advanced bulk nanoscale materials


The Proposal is directed towards a study of interface phenomena influencing advanced properties of nanoscale materials 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 non-equilibrium state to an equilibrium condition, grain boundary phase transformations, 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 will be conducted.

In the frame of the project, interface defect structure investigations will be performed by TEM, high-resolution x-ray diffraction, atomic simulation and modelling. The problem of transition from highly non-equilibrium state to equilibrium one, which seems to be responsible for low thermostability of nanoscale materials, will be studied. Also enhanced Grain Boundary Diffusivity will be clarified. A relationship between Interface Related Phenomena will be revealed.

The Proposal is precisely focused on the scientific objectives. Clearly, the expected results are of fundamental interest and will lead to a significant advance of our knowledge of the Physics of Materials Science. At the same time, the designing of new materials for the aerospace, aircraft and automotive industries on the basis of nanostructured metals, alloys, composites and intermetallics are of practical interest and will lead to progress in the practical use of such materials. Materials with new properties will be processed by means of severe plastic deformation.

The schedule outlined in this Proposal is very realistic due to the well-experienced teams and their overall familiarity with the objectives of the research. Within two years, it is anticipated that this INTAS program will succeed in completing a series of detailed experiments that provide important data for analytical evaluation and for the future development of these important advanced materials. An enhanced model for nanostructured materials will be an important and significant result of the Proposal. Within the frame of the model, experimental observations known to date will be explained and new features of this new class of materials will be predicted. It is reasonable to anticipate the chances for success of the project are very high.


Max Planck Gesellschaft zur Foederung der Wissenschaften Max-Planck-Institut fuer Metallforschung
Heisenbergstrasse 3
70569 Stuttgart

Participants (7)

Eötvös University
Pázmány S. 1/A
1117 Budapest
Russian Academy of Science Institute of Problems of Mechanical Engineering
Bolshoj 61, Vas.ostrov
199178 St. Petersburg
Russian Academy of Science Institute of Solid State Physics
Instititskii Prospekt 15
142432 Chernogolovka
Tomsk State University
Lenina 36
634050 Tomsk
Ufa Scientific Center of Russian ACademy of Science Institute of Mechanics
K. Marx
450000 Ufa
Universitat Autònoma de Barcelona
Edifici Cc 202
08193 Bellaterra
University of Southampton
United Kingdom
SO17 1BJ Southampton