Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 75: Issue 2
Preparation and characterization of Co80Nb20-xBx amorphous metallic ribbons
Authors:
R. Castro Centro de Educaçăo Tecnológica Federal de Pernambuco Recife PE Brazil E-mail Recife PE Brazil E-mail

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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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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. 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:
649–654
Online Publication Date:
02 Nov 2004
Publication Date:
01 Feb 2004
Article Category:
Research Article
DOI:
https://doi.org/10.1023/b:jtan.0000027158.38784.0f
Keywords:
CoNbB amorphous alloys; melt spinning and crystallization temperature
Restricted access

Abstract  

Co80Nb14B6, Co80Nb12B8 and Co80Nb10B10 amorphous alloys were obtained through the melt-spinning process. The ribbons structure was investigated by X-ray diffractometry and the crystallization process and the thermal stability were studied by means of differential thermal analysis and thermomechanical technique. It was observed that the crystallization temperature depends on the alloy composition and occurs in a temperature range between 420 and 730C. The coercive field of all alloys was determined by magnetic susceptibility measurements, the values of which range from 2.78 to 5.95 A m-1.

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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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