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Selective aluminum dissolution as a means to observe the microstructure of nanocrystalline intermetallic phases from Al-Fe-Cr-Ti-Ce rapidly solidified alloy

Journal

MICRON
Volume 45, Issue -, Pages 55-58

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.micron.2012.10.013

Keywords

Selective dissolution; Nanostructured materials; Quasicrystals; Rapid-solidification; Microstructure; Aluminum

Categories

Funding

  1. Czech Science Foundation [P108/12/G043]
  2. Czech Academy of Sciences [KAN 300100801]

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Rapidly solidified aluminum alloys are promising materials with very fine microstructure. The microscopy observation of these materials is complicated due to overlay of fcc-Al matrix and different intermetallic phases. A possible way to solve this problem is to dissolve the Al matrix. By this process powder formed by single intermetallic phase particles is obtained. In this paper a new aqueous based dissolving agent for Al-based alloy is presented. The influence of oxidation agent (FeCl3) concentration on quality of extraction process was studied. (C) 2012 Elsevier Ltd. All rights reserved.

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