In situ transmission electron microscopy deformation of the titanium alloy Ti–6Al–4V: Interface behaviour

In situ transmission electron microscopy (TEM) experiments have been carried out on the Ti–6Al–4V alloy. This work focuses on the dislocation motion close to the α/β interfaces. The interfaces influence the alloy strengthening by inhibiting the dislocation propagation but also by favouring the plast...

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Veröffentlicht in:	Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2008-06, Vol.483, p.719-722
Hauptverfasser:	Castany, P., Pettinari-Sturmel, F., Douin, J., Coujou, A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemical Sciences Condensed Matter Cross-disciplinary physics: materials science rheology Deformation, plasticity, and creep Dislocations Engineering Sciences Exact sciences and technology In situ TEM Interface Material chemistry Materials Materials Science Physics Ti–6Al–4V Treatment of materials and its effects on microstructure and properties α/β titanium alloy
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Beschreibung
Zusammenfassung:	In situ transmission electron microscopy (TEM) experiments have been carried out on the Ti–6Al–4V alloy. This work focuses on the dislocation motion close to the α/β interfaces. The interfaces influence the alloy strengthening by inhibiting the dislocation propagation but also by favouring the plastic deformation transmission. Results of deformation micromechanism dynamic are reported for the first time in this alloy at room temperature and compared to post-mortem TEM results.
ISSN:	0921-5093 1873-4936
DOI:	10.1016/j.msea.2006.10.183