Composition and structure of Cu-based nanoicosahedral phase in Cu-Zr-Ti-Pd alloy

被引：5
|
作者：
Louzguine-Luzgin, DV
Inoue, A
Nagahama, D
Hono, K
机构：
[1] Tohoku Univ, Inst Mat Res, Aoba Ku, Sendai, Miyagi 9808577, Japan
[2] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan
来源：
APPLIED PHYSICS LETTERS | 2005年 / 87卷 / 21期
关键词：
D O I：
10.1063/1.2135143
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The present work is devoted to an investigation of the composition of a nanoscale icosahedral phase in a Cu55Zr30Ti10Pd5 glassy alloy by three-dimensional atom probe analysis. The data indicate that the composition of the nanoicosahedral phase that precipitates from the Cu55Zr30Ti10Pd5 glassy alloy is not much different from that of the matrix, that is, the icosahedral phase is Cu-based containing more than 50 at. % Cu. The formation criteria for Cu- and Zr/Hf-based icosahedral phases are discussed based on quasi-lattice constant derived from average atomic diameter ratio. (c) 2005 American Institute of Physics.
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页码：1 / 3
页数：3
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