Mechanical alloying as a solid state route for fabrication of Al-Cu-M(=Fe, Cr) quasicrystalline phases

被引：19

作者：

Salimon, A. I. ^{[1
]}

Shevchukov, A. P. ^{[1
]}

Stepashkin, A. A. ^{[1
]}

Tcherdyntsev, V. V. ^{[1
]}

Olifirov, L. K. ^{[1
]}

Kaloshkin, S. D. ^{[1
]}

机构：

[1] Natl Univ Sci & Technol MISiS, Moscow 119049, Russia

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2017年 / 707卷

关键词：

Quasicrystals; Mechanical alloying; Scanning electron microscopy; X-ray diffraction; Thermal analysis; Grain growth; TRANSFORMATIONS; MICROSTRUCTURE; INTERMETALLICS; COMPOSITES;

D O I：

10.1016/j.jallcom.2016.11.173

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Almost single phase quasicrystalline powders consisting of icosahedral Al65Cu23Fe12 and decagonal Al73Cu11Cr16 phases were produced by mechanical alloying (MA) and subsequent heat-treatment. Microstructure, particle size distribution, chemical and phase composition of crystalline powder precursors forming under MA from elemental powders of Al, Cu, Fe and Cr were investigated. Phase transformations leading to formation of quasicrystals during heating of precursors were determined by differential thermal analysis and X-ray diffraction. The growth of quasicrystalline grains studied by SEM is discussed. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：315 / 320

页数：6

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