Partial crystallization of as-quenched Zr55CU30Al10Ni5 bulk metallic glass induced by oxygen
- Vaillant, M. L.
- Gloriant, T.
- Thibon, I.
- Guillou, A.
- Keryvin, V.
- Rouxel, Tanguy
- Ansel, D.
DOIAbstract
International audienceDendritic 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: Fd (3) over barm, cell parameter: 5.70 Angstrom) demonstrating the negative effect of oxygen, inducing partial crystallization during casting. (C) 2003 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved
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