Influence of the order-disorder transition on the magnetic properties of Fe75Al25-xSix alloys

被引：4

作者：

Legarra, E. ^{[1
]}

Apinaniz, E. ^{[2
]}

Plazaola, F. ^{[3
]}

机构：

[1] Basque Ctr Mat Applicat & Nanostruct BCMat, Derio, Spain

[2] Univ Pais Vasco UPV EHU, Dept Fis Aplicada 1, Vitoria 01006, Spain

[3] Univ Pais Vasco UPV EHU, Dept Elect & Elect, Bilbao 48080, Spain

来源：

INTERMETALLICS | 2016年 / 69卷

关键词：

Intermetallics; order/disorder transformation; magnetic properties; mechanical milling; Mossbauer spectroscopy; MICROWAVE-ABSORPTION PROPERTIES; FE-AL ALLOYS; ELECTRONIC-STRUCTURE; MOSSBAUER-SPECTRA; SI; MICROSTRUCTURE; CRYSTALLINE; EVOLUTION; FE70AL30;

D O I：

10.1016/j.intermet.2015.10.008

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The influence of the different crystal structures and the variation of the lattice parameter on the evolution of the magnetism in the order-disorder transition produced by crushing and mechanical milling in the intermetallic Fe75Al25-xSix alloys (x = 7.5, 12.5, 17.5, 25) has been systematically studied by means of XRD measurements, Mossbauer spectroscopy and magnetic measurements. The results indicate that with the addition of Si to binary Fe75Al25 alloy the mechanical deformation needed to disorder the alloys increases. At the same time the variation of the lattice parameter due to the disorder is reduced as Si is added. The magnetic measurements indicate that there is a complex behaviour in ternary alloys with an opposite influence of Si and Al during the order-disorder transition. However, when the transition is fulfilled there is a linear relationship between structural and magnetic parameters. (c) 2015 Elsevier Ltd. All rights reserved.

引用

页码：35 / 41

页数：7

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