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Magnetic microwave and absorbing properties of Fe-Co alloy synthesisedby mechanical alloying process

Auteurs : Said Bergheul, Ahmed HADDAD, Abdelhamid Tafat, Mohamed Azzaz
Année : 2006
Domaine : Sciences et génie des matériaux
Type : Publication
Revue : International Journal of Microstructure and Materials Properties
Résumé en PDF : (résumé en pdf)
Fulltext en PDF : (.pdf)
Mots clés : powder technology; mechanical alloying; microstructure; microwave.

Résumé :

In this paper, the structure and magnetic properties of nanocrystalline Fe(1–x)Coxmixtures are investigated. These structures are prepared using mechanical alloying based onplanetary ball mill under several milling conditions. The structural effects of mechanicalalloying of powders were investigated by scanning electron microscopy, X-ray diffractionanalysis and bench of microwaves. Consequently, alloy powder with an average grain size of10–13 nm was obtained. Maximum saturation magnetisation Ms was obtained at acomposition value of 65%Co. Microwave measurements were performed on the mechanicallymilled Fe(1–x)Cox powder