Formation of quasicrystals in Zr46.8Ti8.2Cu7.5Ni10Be27.5 bulk glass

被引：63

作者：

Wanderka, N

Macht, MP

Seidel, M

Mechler, S

Ståhl, K

Jiang, JZ

机构：

[1] Tech Univ Denmark, Dept Phys, DK-2800 Lyngby, Denmark

[2] Tech Univ Denmark, Dept Chem, DK-2800 Lyngby, Denmark

[3] Hahn Meitner Inst Berlin, D-14109 Berlin, Germany

来源：

APPLIED PHYSICS LETTERS | 2000年 / 77卷 / 24期

关键词：

D O I：

10.1063/1.1329636

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The formation of the quasicrystalline phase is observed as a first step of crystallization during isothermal annealing of the Zr46.7Ti8.3Cu7.5Ni10Be27.5 bulk glass. The structure of the quasicrystals and the sequence of phase formation have been investigated by x-ray powder diffraction and transmission electron microscopy. The structure of the quasicrystals is determined to be primitive icosahedral with a quasilattice constant of 4.779 Angstrom. The quasicrystals decompose into several intermetallic compounds after prolonged annealing at lower temperatures or in a short time period (less than 5 min) at high temperatures above 683 K. (C) 2000 American Institute of Physics. [S0003-6951(00)00949-9].

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页码：3935 / 3937

页数：3

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