Partial crystallization of as-quenched Zr55CU30Al10Ni5 bulk metallic glass induced by oxygen

被引：26
|
作者：
Vaillant, ML
Gloriant, T
Thibon, I
Guillou, A
Keryvin, V
Rouxel, T
Ansel, D
机构：
[1] GRCM, Grp Rech Chim Met, INSA Rennes, EA 2620, F-35043 Rennes, France
[2] Univ Rennes 1, LARMAUR, UPRES JE 2310, F-35042 Rennes, France
来源：
SCRIPTA MATERIALIA | 2003年 / 49卷 / 12期
关键词：
bulk amorphous materials; crystal structure; X-ray diffraction; electron backscattering diffraction; electron probe microanalysis;
D O I：
10.1016/j.scriptamat.2003.08.028
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
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: 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.
引用
收藏
页码：1139 / 1143
页数：5
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