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  In-situ TEM heating study of the γ lamellae formation inside the α2 matrix of a Ti-45Al-7.5Nb alloy

Cha, L., Clemens, H. J., Dehm, G., & Zhang, Z. (2011). In-situ TEM heating study of the γ lamellae formation inside the α2 matrix of a Ti-45Al-7.5Nb alloy. Advanced Materials Research, 146-147, 1365-1368.

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 Urheber:
Cha, Limei1, 2, Autor           
Clemens, Helmut J.3, Autor           
Dehm, Gerhard2, 4, Autor           
Zhang, Zaoli4, Autor           
Affiliations:
1Materials Center Leoben Forschung GmbH, Leoben, Austria, ou_persistent22              
2Department Materialphysik, Montanuniversität Leoben, Austria, ou_persistent22              
3Department of Physical Metallurgy and Materials Testing, Montanuniversität Leoben, Franz-Josef Strasse 18, 8700 Leoben, Austria, ou_persistent22              
4Erich Schmid Institute of Material Science, Austrian Academy of Sciences, Leoben, Austria, ou_persistent22              

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 Zusammenfassung: In-situ heating transmission electron microscopy (TEM) was employed to investigate the initial stage of lamellae formation in a high Nb containing γ-TiAl based alloy. A Ti-45Al-7.5Nb alloy (at %), which was heat treated and quenched in a non-equilibrium state such that the matrix consists of ordered α2 grains, was annealed inside a TEM up to 750 °C. The in-situ TEM study reveals that γ laths precipitate in the α2 matrix at ~ 750 °C possessing the classical Blackburn orientation relationship, i.e. (0001)α2 // (111)γ and [11-20]α2 // <110]γ. The microstructure of the in-situ TEM experiment is compared to results from ex-situ heating and subsequent TEM studies.

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Sprache(n): eng - English
 Datum: 2011
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
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Titel: 2010 International Conference on Advances in Materials and Manufacturing Processes, ICAMMP 2010;Code 83174
Veranstaltungsort: Shenzhen, China
Start-/Enddatum: 2010-11-06 - 2020-11-08

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Titel: Advanced Materials Research
  Kurztitel : Adv. Mater. Res.
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Trans Tech Publications
Seiten: - Band / Heft: 146-147 Artikelnummer: - Start- / Endseite: 1365 - 1368 Identifikator: ISSN: 1022-6680
CoNE: https://pure.mpg.de/cone/journals/resource/1662-8985
ISBN: 978-087849200-8