Theory of a surface phase transformation induced by impurity atoms in binary alloys containing interstitial impurity atoms |
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Authors: | V I Ryzhkov E F Ryzhkova |
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Institution: | (1) 50th Anniversary of the Great October Socialist Revolution Kiev Polytechnical Institute, Kiev |
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Abstract: | Mutual influence of the surface segregation of atoms on lattice sites and in interstitials is studied in the self-consistent field approximation. The effect of occurrence of a local surface phase transformation is predicted, which is caused by a local loss of stability of the statistical distribution of atoms of components on the surface due to the presence of interstitial impurity atoms. A theory is constructed for an induced phase transformation for 001] plane of a single crystal of a binary alloy with an fcc lattice whose octahedral interstitials are occupied by interstitial atoms.Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 9, pp. 50–55, September, 1984. |
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