Institute of Physics of Materials AS CR, v. v. i. > Projects > Microstructure of Fe-Al based alloys

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Microstructure of Fe-Al based alloys

Anotace

Systematic investigation of Fe-Al based alloys in the wide range of Al concentrations is proposed in the project. Both traditional coarse-grained materials with grain size of order of several micrometers as well as nanocrystalline and amorphous ones will be addressed. Materials will be prepared by arc melting or fast cooling of melt. Microstructure and especially behaviour of vacancies and their influence on physical and mechanical properties of Fe-Al alloys will be investigated in dependence on composition and preparation conditions. The materials will be studied in the as prepared and thermally treated states. Positron annihilation spectroscopy (PAS) and Mössbauer spectrometry (MöS) will serve as principal experimental tools. The goal is to obtain complex and original information about microstructure and the other characteristics of Fe-Al based alloys by combining PAS and MöS with a variety of additional complementary techniques available at the three institutions integrated in this common project.