Thermally Induced Structural Transformations of Fe40Ni40P14B6 Amorphous Alloy
АуториVasić, Milica M.
Blagojević, Vladimir A.
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Thermal stability and thermally induced structural transformations of Fe40Ni40P14B6 amorphous alloy were examined under non-isothermal and isothermal conditions. Formation of metastable α-(Fe,Ni), and stable γ-(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.
Кључне речи:Differential Scanning Calorimetry / HRTEM / Curie Temperature / Metallic Glass / Amorphous Alloy
Извор:Metallurgical and Materials Transactions A, 2016, 47, 1, 260-267
- Усмерена синтеза, структура и својства мултифункционалних материјала (RS-172057)
- Grant Agency of the Czech Republic, Grant 106/08/1440
- Ministry of Education, Youth and Sports of the Czech Republic, Project No. 1M0512
ISSN: 1543-1940 (Online); 1073-5623 (Print)[ Google Scholar ]