On the Matano plane position in multicomponent diffusion couples

Henryk Leszczyński , Karolina Lademann , Katarzyna Tkacz-Śmiech , Bogdan Bożek , Marek Zajusz , Marek Danielewski

Abstract

Even though several methods of diffusion analysis avoid a necessity for the Matano plane determination, the Matano plane locations are of interest in the multicomponent couples and when tracer experiments are performed. The positions of the Matano plane calculated from the concentration profiles should be exactly the same. However, due to experimental errors, the results can differ significantly. In the paper we consider Matano plane for multi-component couples of conserved and non-conserved overall volumes. We use Darken method and Sauer-Freise scheme, respectively and show that looking for the Matano plane as an inverse problem leads to a system of linear algebraic equations which are over-determined. The relations for the Matano plane position are derived by virtue of the least-squares methodology. The exemplary computations show that the method is particularly useful in analysis of experimental data and allows decreasing computing errors.
Author Henryk Leszczyński (FMPI/IM)
Henryk Leszczyński,,
- Institute of Mathematics
, Karolina Lademann (FMPI/IM)
Karolina Lademann,,
- Institute of Mathematics
, Katarzyna Tkacz-Śmiech
Katarzyna Tkacz-Śmiech,,
-
, Bogdan Bożek
Bogdan Bożek,,
-
, Marek Zajusz
Marek Zajusz,,
-
, Marek Danielewski
Marek Danielewski,,
-
Journal seriesNano Hybrids and Composites, ISSN 2297-3400, (N/A 20 pkt)
Issue year2019
Vol26
Pages20-29
Publication size in sheets0.50
Keywords in EnglishMatano plane, diffusion, inverse methods, Darken method, Sauer-Freise scheme
DOIDOI:10.4028/www.scientific.net/NHC.26.20
Languageen angielski
Score (nominal)20
Score sourcejournalList
ScoreMinisterial score = 20.0, 27-05-2020, ArticleFromJournal
Publication indicators WoS Citations = 0.000
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