In situ TEM observations of interface sliding and migration in a refined lamellar TiAl alloy

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Author(s)

Detail(s)

Original languageEnglish
Pages (from-to)727-732
Journal / PublicationIntermetallics
Volume12
Issue number7-9 SPEC. ISS.
Publication statusPublished - Jul 2004
Externally publishedYes

Abstract

The stability of lamellar interfaces in lamellar TiAl by straining at ambient temperatures has been investigated using in situ straining techniques performed in a transmission electron microscope in order to obtain direct evidence to support the previously proposed creep mechanisms in refined lamellar TiAl based upon the interface sliding in association with the cooperative motion of interfacial dislocations. The results have revealed that both sliding and migration of lamellar interfaces can take place as a result of the cooperative motion of interfacial dislocations. © 2004 Elsevier Ltd. All rights reserved.

Research Area(s)

  • A. Titanium aluminides, based on TiAl, B. Plastic deformation mechanisms, C. Powder metallurgy, D. Defects: dislocation geometry and arrangement, F. Electron microscopy, transmission

Bibliographic Note

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Citation Format(s)

In situ TEM observations of interface sliding and migration in a refined lamellar TiAl alloy. / Hsiung, L. M.; Schwartz, A. J.; Nieh, T. G.

In: Intermetallics, Vol. 12, No. 7-9 SPEC. ISS., 07.2004, p. 727-732.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review