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Investigations of hydrogen-promoted α2-lamella decomposition of a γ-TiAl based alloy.
- Source :
-
Materials Letters . Aug2015, Vol. 152, p196-199. 4p. - Publication Year :
- 2015
-
Abstract
- The effect of hydrogen on α 2 -lamella decomposition of a Ti–46Al–2V–1Cr–0.3Ni alloy (at%) was investigated. The extent of α 2 -lamella decomposition was enhanced due to hydrogen addition, which was partly attributed to hydrogen-promoted α 2 →B2 phase transformation and α 2 -phase lamellae coarsening. When the deformation temperature rose to 1473 K, hydrogen-promoted γ-phase twinning and α 2 -phase dislocation movement played a positive role in α 2 -lamella decomposition. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 0167577X
- Volume :
- 152
- Database :
- Academic Search Index
- Journal :
- Materials Letters
- Publication Type :
- Academic Journal
- Accession number :
- 102696013
- Full Text :
- https://doi.org/10.1016/j.matlet.2015.03.079