Influence of 1% addition of Nb and W on the relaxation process in classical Fe-based amorphous alloys

P. Pietrusiewicz, Katarzyna Bloch, M. Nabiałek, Simon Walters

Research output: Contribution to journalArticle

Abstract

This paper features investigations into the influence of small additions of alloying elements on: structure, as well as the temporal and thermal stability of magnetic properties, and the disaccommodation effect, for the following amorphous alloys: Fe61Co10Y8Me1B20 (where Me = Nb, W). The structure of the investigated samples has been confirmed by the Mössbauer spectroscopy. The obtained results indicate a strong correlation between the structure and the disaccommodation of the studied alloys. The Mössbauer studies reveal different configurations of atoms in the amorphous alloy samples, and the results indicate various potential barriers between orientations of atom pairs. For this reason, to describe the disaccommodation effect, the distribution of activation energy should be taken into account. The distribution of activation energy has been related to the distribution of relaxation times.
Original languageEnglish
Pages (from-to)397-399
Number of pages3
JournalActa Physica Polonika A
Volume127
Issue number2
DOIs
Publication statusPublished - 1 Jan 2015

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