Temperature of emergence of a transformational process zone at a crack tip

Temperature of emergence of a transformational process zone at a crack tip

We analyze the emergence of a process zone of improper ferroelastic class. We derive expressions for the zone emergence temperature and the size of the incipient zone in terms of experimentally accessible physical parameters. Our numerical estimates suggest that the region of existence of the proces...

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Veröffentlicht in:Physical review. B 2017-08, Vol.96 (5), Article 054106
Hauptverfasser: Boulbitch, A., Korzhenevskii, A. L.
Format: Artikel
Sprache:eng
Schlagworte:
Crack tips
Emergence
Parameter estimation
Phase diagrams
Physical properties
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Beschreibung
Zusammenfassung:We analyze the emergence of a process zone of improper ferroelastic class. We derive expressions for the zone emergence temperature and the size of the incipient zone in terms of experimentally accessible physical parameters. Our numerical estimates suggest that the region of existence of the process zone typically occupies a considerable part of the phase diagram.
ISSN:2469-9950
2469-9969
DOI:10.1103/PhysRevB.96.054106