Quasicrystals in a partially devitrified Zr65Al7.5Ni10Cu12.5Ag5 bulk metallic glass

被引：213

作者：

Chen, MW ^{[1
]}

Zhang, T

Inoue, A

Sakai, A

Sakurai, T

机构：

[1] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan

[2] Kyoto Univ, Mesoscop Mat Res Ctr, Kyoto 6068501, Japan

来源：

APPLIED PHYSICS LETTERS | 1999年 / 75卷 / 12期

关键词：

D O I：

10.1063/1.124793

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A quasicrystalline phase was discovered in a Zr65Al7.5Ni10Cu12.5Ag5 bulk metallic glass annealed in the supercooled liquid range. Through systematical transmission electron microscopy rotation analyses, the selected area electron diffraction patterns are obtained corresponding to fivefold, threefold, and twofold rotational symmetry, demonstrating that the precipitated phase is an icosahedral quasicrystalline phase with good rotational symmetry. It is concluded that the addition of Ag in the Zr-based metallic glass promotes the formation of the quasicrystalline phase. The present experimental result implies that there is a natural relationship between the Zr-based bulk metallic glasses and icosahedral quasicrystalline. (C) 1999 American Institute of Physics. [S0003-6951(99)00438-6].

引用

页码：1697 / 1699

页数：3

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