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Development of a Two-Stage Etching Procedure for Grain Analysis of Intermetallic Iron Aluminides (Fe-Al-Ta)

Authors
  • Schaberger-Zimmermann, E.1
  • Pütz, R. D.2
  • Subašić, E.3
  • Zander, D.2
  • 1 Foundry Institute, Division of Materials Science and Engineering, RWTH Aachen University, Intzestraße 5, 52072 , (Germany)
  • 2 Chair of Corrosion and Corrosion Protection, Division of Materials Science and Engineering, RWTH Aachen University, Intzestraße 5, 52072 , (Germany)
  • 3 Access e. V, Intzestraße 5, 52072 , (Germany)
Type
Published Article
Journal
Practical Metallography
Publisher
De Gruyter
Publication Date
Mar 31, 2021
Volume
58
Issue
3
Pages
120–128
Identifiers
DOI: 10.1515/pm-2021-0008
Source
De Gruyter
Keywords
License
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Abstract

The present work will introduce a novel two-step etching procedure for grain analysis of intermetallic iron aluminides. A grain boundary etching technique from the literature will be complemented by subsequent grain-contrast etching to visualize different grains in polarized light. The use of an XY-table for the acquisition of MosaiX images also enables grain analysis over the entire cross-section of the sample.

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