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Crystallization of Bulk Zr48Nb8Cu14Ni12Be18Metallic Glass

Published online by Cambridge University Press:  17 March 2011

Y.X. Zhuang ,
L. Gerward ,
J.Z. Jiang ,
J.S. Olsen ,
Y. Zhang  and
W.H. Wang
Y.X. Zhuang
Affiliation:
Department of Physics, Building 307, Technical University of Denmark, DK-2800 Lyngby, Denmark
L. Gerward
Affiliation:
Department of Physics, Building 307, Technical University of Denmark, DK-2800 Lyngby, Denmark
J.Z. Jiang
Affiliation:
Department of Physics, Building 307, Technical University of Denmark, DK-2800 Lyngby, Denmark
J.S. Olsen
Affiliation:
Niels Bohr Institute, Oersted Laboratory, DK-2100 Copenhagen, Denmark
Y. Zhang
Affiliation:
Institute of Physics, Chinese Academy of Sciences, Beijing, 100080, P.R. China.
W.H. Wang
Affiliation:
Institute of Physics, Chinese Academy of Sciences, Beijing, 100080, P.R. China.
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Abstract

The crystallization of bulk Zr48Nb8Cu14Ni12Be18metallic glass has been investigated by differential scanning calorimetry (DSC) and X-ray powder diffraction. The activation energies of glass transition and crystallization for the glass obtained using Kissinger analysis from the shift of the peak temperature in the DSC curve are 470 and 235 kJ/mol, respectively. The effect of applied pressure on crystallization is studied by in situ high-pressure and high-temperature X-ray powder diffraction using synchrotron radiation. It is found that the crystallization temperature increases with pressure having a slope of 9.5 K/GPa in the range of 0-4.4 GPa.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 644: Symposium L – Supercooled Liquid, Bulk Glassy and Nanocrystalline State of Alloys , 2000 , L5.2
Copyright
Copyright © Materials Research Society 2001

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