Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 80: Issue 2
Thermal behavior of several Fe-Ni alloys prepared by mechanical alloying and rapid solidification
Authors:
A. González GRMT, Dept. de Física, Universitat de Girona, Santaló s/n, 17071 Girona, Spain

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J. J. Suńol GRMT, Dept. de Física, Universitat de Girona, Santaló s/n, 17071 Girona, Spain

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J. Bonastre GRMT, Dept. de Física, Universitat de Girona, Santaló s/n, 17071 Girona, Spain

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L. Escoda GRMT, Dept. de Física, Universitat de Girona, Santaló s/n, 17071 Girona, Spain

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J. Caleya GRMT, Dept. de Física, Universitat de Girona, Santaló s/n, 17071 Girona, Spain

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Pages:
253–256
Online Publication Date:
03 May 2005
Publication Date:
01 May 2005
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-005-0644-3
Keywords:
thermal stability; mechanical alloying; Fe-Ni based alloys; melt spinning
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Summary Several Fe-Ni-P-Si alloys were produced in an amorphous state by mechanical alloying and rapid solidification. Thermal behavior of the as prepared alloys was analyzed and compared with identical alloys stored during 1 and 2 years. During annealing time, several exothermic processes related to the structural relaxation were detected at low temperature and with further crystallization at high temperature. As increasing the storage time, the powdered samples were relaxed at lower temperatures. The activation energy, E, of the main crystallization process varies between 2.7 and 4.7 eV at.-1. The E values obtained remains similar with the storage time. Small contamination from the milling tools was found. Furthermore, powdered alloys are more sensible to oxidation processes than as quenched ribbons.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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