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Crystallization Behavior of Zr65−×−yTixAlyCu22Ni13 Bulk Metallic Alloys by in-situ Neutron Diffraction

Published online by Cambridge University Press:  17 March 2011

Jean-Louis Soubeyroux  and
Nicolas Claret
Jean-Louis Soubeyroux
Affiliation:
Laboratoire de Cristallographie / CRETA, 25 avenue des Martyrs, BP 166, 38042, Grenoble, France
Nicolas Claret
Affiliation:
Laboratoire de Cristallographie / CRETA, 25 avenue des Martyrs, BP 166, 38042, Grenoble, France
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Abstract

Several alloys of the Zr65×−yTixAlyCu22Ni13 system were found to be bulk metallic glasses. They have been investigated by DSC and in-situ neutron diffraction. DSC and neutron studies were performed at the same heating rates in order to correlate the evolution of the characteristic temperatures to the crystallization of phases. The first phase appearing at crystallization is dependant on the titanium content, being Zr2Ni for Ti ≈ 5% and a quasi- crystalline phase for Ti ≈ 2.5%. These phases are metastable and transform to Zr2Cu and other phases.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 644: Symposium L – Supercooled Liquid, Bulk Glassy and Nanocrystalline State of Alloys , 2000 , L1.2
Copyright
Copyright © Materials Research Society 2001

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