Formation of icosahedral quasicrystals in an annealed Zr65Al7.5Ni10Cu12.5Ag5 metallic glass

被引：12

作者：

Chen, MW ^{[1
]}

Inoue, A

Zhang, T

Sakai, A

Sakurai, T

机构：

[1] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 98087577, Japan

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

来源：

PHILOSOPHICAL MAGAZINE LETTERS | 2000年 / 80卷 / 04期

关键词：

D O I：

10.1080/095008300176245

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The formation and thermal stability of an icosahedral quasicrystalline phase in an annealed Zr65Al7.5Ni10Cu12.5Ag5 metallic glass have been investigated by Xray diffraction and transmission electron microscopy analyses. It was found that the quasicrystalline phase can precipitate from the glassy state and the supercooled liquid of the alloy over a wide range of annealing temperatures. After optimizing the heat-treatment conditions, the volume fraction of the quasicrystalline phase in the alloy can reach as high as about 80%. Investigation of the thermal stability of the quasicrystalline phase demonstrates that it is very stable when the annealing temperature is below the glass transformation temperature T-g of the alloy.

引用

页码：263 / 269

页数：7

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