Autor: Khalfallah, O. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Image Force Effect on the Separation of Partial Dislocations in Bicrystals of Hexagonal Structure Zn-Tl and Zn-Be
Autorzy:: Ayadi, A.
Khalfallah, O.
Powiązania:: https://bibliotekanauki.pl/articles/1399804.pdf
Data publikacji:: 2013-02
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 61.72.Lk
61.72.Mm
61.72.Nn
62.20.D-
Opis:: We study the elastic interaction between a pair of partial dislocations, resulting from the dissociation of a perfect dislocation, and a bimetallic interface. The forces that act on two partials dislocations are the forces due to elastic interaction between the partial and image forces due to interactions of partial dislocations with interface. We are interested in the effect of image force on width of the stacking fault ribbon between two Schockley partials. We show that the separation of two partials dislocations is modified compared to that in the single crystal. It depends on the ratio of shear modulus and the distance between the interface and the dislocation.
Źródło:: Acta Physica Polonica A; 2013, 123, 2; 302-303
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 2.

Tytuł:: Displacive Phase Transformations and Generalized Stacking Faults
Autorzy:: Paidar, V.
Ostapovets, A.
Hardouin Duparc, O.
Khalfallah, O.
Powiązania:: https://bibliotekanauki.pl/articles/1418492.pdf
Data publikacji:: 2012-09
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 63.70.+h
Opis:: The displacive phase transformations can be considered as composed of two processes, namely, pure displacements, shuffling or shearing of atomic planes, and supplementary homogeneous lattice deformation changing also the dimensions of the moving planes. Such deformation causes shape memory effect when the structural transformation is reversed. General displacements of atomic planes will be examined, i.e. γ-surface type calculations will be reported for single plane shuffling, alternate shuffling of every other bcc atomic plane and successive displacements of parallel atomic planes producing in combination with homogeneous deformation the close packed structures. The results of calculations using the many-body potentials of the Finnis-Sinclair type will be compared with ab initio calculations that indicate in which way the phase transformation can be initiated.
Źródło:: Acta Physica Polonica A; 2012, 122, 3; 490-492
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

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