Partial crystallization of as-quenched Zr55Cu30Al10Ni5 bulk metallic glass induced by oxygen |
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| Authors: | M. L. Vaillant T. Gloriant I. Thibon A. Guillou V. Keryvin T. Rouxel D. Ansel |
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| Affiliation: | a GRCM-EA 2620, Groupe de Recherche en Chimie-Métallurgie, INSA Rennes, 20, Avenue des Buttes de Coesmes, F-35043, Rennes, France;b LARMAUR, UPRES-JE 2310, Université de Rennes 1, Campus de Beaulieu, F-35042, Rennes, France |
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| Abstract: | Dendritic crystals, randomly distributed into the as-quenched Zr55Cu30Al10Ni5 bulk metallic glass were characterized by optical microscopy, electron probe microanalysis, X-ray diffraction and electron backscattering diffraction. Oxygen enrichment is observed into these crystallites (formula: Zr7Cu4Al3O, space group: Fdm, cell parameter: 5.70 Å) demonstrating the negative effect of oxygen, inducing partial crystallization during casting. |
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| Keywords: | Bulk amorphous materials Crystal structure X-ray diffraction Electron backscattering diffraction Electron probe microanalysis |
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