M. Muzyk, K.J. Kurzydłowski

Generalised stacking fault energies of copper alloys – density functional theory calculations

J. Min. Metall. Sect. B-Metall. 55 (2) B (2019) 271-282. DOI:10.2298/JMMB181128020M
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Generalised stacking fault energies of copper alloys have been calculated using density functional theory. Stacking fault energy of copper alloys is correlated with the d–electrons number of transition metal alloying element. The tendency to twiningis also modified by the presence of alloying element in the deformation plane. The results suggest that Cu –transition metal alloys with such elements as Cr, Mo, W, Mn, Re are expected to exhibit great work hardening rate due to the tendency to emission of the partial dislocations.
Keywords: Ab initio calculations; Copper alloys; Twining

Correspondence Address:
M. Muzyk, Faculty of Mathematics and Natural Sciences,
School of Exact Sciences, Cardinal Stefan Wyszynski
University in Warsaw, Warsaw, Poland
email: m.muzyk@uksw.edu.pl

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