Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 75: Issue 2
Crystallization of Co75-xFexGe15B10 amorphous alloys
Authors:
M. Barroso Universidade Federal da Paraíba Instituto Centro de Ensino Tecnológico, CENTEC Paraíba Brazil Paraíba Brazil

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T. Melo Universidade Federal da Paraíba, Campus I, Cidade Universitária Laboratório de Solidificaçăo Rápida, CT-DTM 58059-900 Joăo Pessoa Paraíba Brazil 58059-900 Joăo Pessoa Paraíba Brazil

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S. Prasad Universidade Federal de Campina Grande Departamento de Engenharia Química, CCT Campina Grande PB Brazil Campina Grande PB Brazil

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R. Gomes Universidade Federal da Paraíba, Campus I, Cidade Universitária Laboratório de Solidificaçăo Rápida, CT-DTM 58059-900 Joăo Pessoa Paraíba Brazil 58059-900 Joăo Pessoa Paraíba Brazil

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I. Lima Universidade Federal da Paraíba, Campus I, Cidade Universitária Laboratório de Solidificaçăo Rápida, CT-DTM 58059-900 Joăo Pessoa Paraíba Brazil 58059-900 Joăo Pessoa Paraíba Brazil

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A. Souza Universidade Federal da Paraíba Campus I LTM, Departamento de Química, CCEN 58059 - 900 Joăo Pessoa PB Brazil 58059 - 900 Joăo Pessoa PB Brazil

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S. Lima Universidade Federal da Paraíba, Campus I, Cidade Universitária Laboratório de Solidificaçăo Rápida, CT-DTM 58059-900 Joăo Pessoa Paraíba Brazil 58059-900 Joăo Pessoa Paraíba Brazil

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Pages:
655–660
Online Publication Date:
02 Nov 2004
Publication Date:
01 Feb 2004
Article Category:
Research Article
DOI:
https://doi.org/10.1023/b:jtan.0000027159.35556.57
Keywords:
crystallization; amorphous alloys; thermal analysis
Restricted access

Abstract  

The crystallization behavior of Co75-xFexGe15B10 (x=3.0, 4.6 and 6.0) amorphous alloys was monitored by differential thermal analysis and thermo-mechanical analysis. The crystallization process of the melt spun ribbons was interrupted at 450, 525, 650, 800 and 900C and their microstructures were investigated by X-ray diffractometry. It was observed that the crystallization occurs in a sequential mode attributed to the formation of different types of precipitates. It was shown that the crystallization products change as a function of Fe content. After full crystallization, GeFe, Co3B, FeGe2 and Co2Ge compounds were found as well as a Co rich solid solution.

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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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