Journal
ACTA MATERIALIA
Volume 188, Issue -, Pages 376-385Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.actamat.2020.01.053
Keywords
EBSD; Quasicrystal; Crystal orientation; Pattern matching
Funding
- Polish National Agency for Academic Exchange (NAWA) [PPI/APM/2018/1/00049/U/001, PPN/ULM/2019/1/00068/U/00001]
- German Research Foundation [DFG-388933555]
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Orientation determination does not necessarily require complete knowledge of the local atomic arrangement in a crystalline phase. We present a method for microstructural phase discrimination and orientation analysis of phases for which there is only limited crystallographic information available. In this method, experimental Kikuchi diffraction patterns are utilized to generate a self-consistent master reference for use in the technique of Electron Backscatter Diffraction (EBSD). The experimentally derived master data serves as an application-specific reference in EBSD pattern matching approaches. As application examples, we map the locally varying orientations in samples of icosahedral quasicrystals observed in a Ti40Zr40Ni20 alloy, and we analyse AlNiCo decagonal quasicrystals. (C) 2020 Acta Materialia Inc. Published by Elsevier Ltd.
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