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http://dx.doi.org/10.18419/opus-12304
Autor(en): | Dash, Anuj Paul, Aloke Sen, Sandipan Divinski, Sergiy Kundin, Julia Steinbach, Ingo Grabowski, Blazej Zhang, Xi |
Titel: | Recent advances in understanding diffusion in muti-principal element systems |
Erscheinungsdatum: | 2022 |
Dokumentart: | Zeitschriftenartikel |
Seiten: | 27 |
Erschienen in: | Annual review of materials research 52 (2022), S. 383-409 |
URI: | http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-ds-123214 http://elib.uni-stuttgart.de/handle/11682/12321 http://dx.doi.org/10.18419/opus-12304 |
ISSN: | 1545-4118 1531-7331 |
Bemerkungen: | Posted with permission from the Annual Review of materials research, Volume 52, © by Annual Reviews, http://www.annualreviews.org |
Zusammenfassung: | Recent advances in the field of diffusion in multiprincipal element systems are critically reviewed, with an emphasis on experimental as well as theo- retical approaches to determining atomic mobilities (tracer diffusion coef- ficients) in chemically complex multicomponent systems. The newly elaborated and augmented pseudobinary and pseudoternary methods provide a rigorous framework to access tracer, intrinsic, and interdiffusion coefficients in alloys with an arbitrary number of components. Utilization of the novel tracer-interdiffusion couple method allows for a high-throughput determination of composition-dependent tracer diffusion coefficients. A combination of these approaches provides a unique experimental toolbox to access diffusivities of elements that do not have suitable tracers. The pair-exchange diffusion model, which gives a consistent definition of diffusion matrices without specifying a reference element, is highlighted. Density-functional theory-informed calculations of basic diffusion properties - as required for the generation of extensive mobility databases for technological applications - are also discussed. |
Enthalten in den Sammlungen: | 03 Fakultät Chemie |
Dateien zu dieser Ressource:
Datei | Beschreibung | Größe | Format | |
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SUBMITTED_Diffusion_HEA.pdf | 9,56 MB | Adobe PDF | Öffnen/Anzeigen |
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