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Thermally Induced Structural Transformations of Fe40Ni40P14B6 Amorphous Alloy

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2016
Authors
Vasic, Milica M
Roupcova, Pavla
Pizurova, Nadezda
Stevanović, Sanja
Blagojević, Vladimir A.
Žak, Tomas
Minić, Dragica M.
Article (Published version)
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Abstract
Thermal stability and thermally induced structural transformations of Fe40Ni40P14B6 amorphous alloy were examined under non-isothermal and isothermal conditions. Formation of metastable alpha-(Fe,Ni), and stable gamma-(Fe,Ni) and (Fe,Ni)(3)(P,B) crystalline phases as the main crystallization products was observed, while the presence of small amounts of other crystalline phases like Fe23B6 and Fe2NiB was indicated by electron diffraction in HRTEM. Thermomagnetic curve indicated that Fe content in different crystalline phases is very different, resulting in markedly different Curie temperatures after crystallization. Transmission electron microscopy and atomic force microscopy study suggested multiple-layered platelet-shaped morphology, both on the surface and in the bulk of the crystallized alloy sample. The thermal treatment heating rate and maximum temperature affected surface roughness and grain size inhomogeneity.
Source:
Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science, 2016, 1, 260-267
Publisher:
  • Springer, New York
Projects:
  • Directed synthesis, structure and properties of multifunctional materials (RS-172057)
  • Grant Agency of the Czech Republic - 106/08/1440
  • Ministry of Education, Youth and Sports of the Czech Republic - 1M0512

DOI: 10.1007/s11661-015-3226-4

ISSN: 1073-5623

WoS: 000367468100027

Scopus: 2-s2.0-84946866902
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/2032
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