Journal
SCRIPTA MATERIALIA
Volume 187, Issue -, Pages 428-433Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2020.06.030
Keywords
High entropy alloys; Local lattice strains
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Funding
- Gonville and Caius College
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Quantification of local lattice strain is essential for enhancing our understanding of structure-property relationships, particularly for high entropy alloys; but no common framework currently exists, with a number of possible quantifications in the literature. Here, local static and dynamic displacements are discussed, and different methods of describing their statistical dispersion presented. Similarly, the type of distribution measured, either offsite displacements or bond length, is considered alongside the different experimental and modelling techniques that can yield these distributions. This leads to a suggested numerical quantification for local lattice strain, to enable cross comparison between alloy systems using data obtained from different methodologies. (C) 2020 Published by Elsevier Ltd on behalf of Acta Materialia Inc.
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