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Processing of nanostructured materials through metastable transformations

Objective

Metastability is the basic concept deployed by the project to achieve nanocrystalline materials. It deals with the formation of metastable structures through high temperature processing, and their evolution into nanocrystalline materials by suitable thermal treatments at moderate temperatures, giving rise to structures with crystal size in the range 20-50 nm. In the metastability approach the traditional way of obtaining nanocrystalline materials from nanopowders is reversed. While normally the thermal treatment could induce grain growth of the nanocrystals, in this case it is exploited to effectively achieve nanostructures.

Main goal is the definition of a protocol for the correlation Metastability-Nanostructured materials-Properties. The proposed approach is conceived so as to develop metastable structures for a set of systems representative of all the possible classes of nanomaterials:
- Al2O3-TiO2 and ZrO2-Al2O3 for structural ceramics;
- TiC-TiB2 for wear parts;
- Ti-Al2O3 for mechanical components

Call for proposal

FP6-2002-NMP-1
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Coordinator

POLITECNICO DI TORINO
EU contribution
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Address
Corso Duca degli Abruzzi 24
TORINO
Italy

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Participants (13)