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A novel hydride phase in hydrogen charged Ti3AlThe effect of internal hydrogen on the microstructural modification of Ti3Al (alpha-2) compound was studied by large-angle neutron scattering and TEM. Ti-25 at. pct Al (Ti3Al) specimens were exposed to gaseous hydrogen atmosphere at 600 C that resulted in internal hydrogen concentration of 2000 ppm. The hydrogen-charged alloy consisted of a mixture of alpha-2 phase and a novel Ti3AlH phase with the E2(1), (Pm3m) crystal structure. The lattice parameters and atomic arrangement of the Ti3AlH phase were determined.
Document ID
19920029400
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1016/0956-7151(91)90097-K
Authors
Schwartz, D. S. (McDonnell-Douglas Research Labs. Saint Louis, MO, United States)
Lederich, R. J. (McDonnell-Douglas Research Labs. Saint Louis, MO, United States)
Sastry, S. M. L. (McDonnell Douglas Research Laboratories Saint Louis, MO, United States)
Yelon, W. B. (McDonnell-Douglas Research Labs. Saint Louis, MO, United States)
Berliner, R. R. (Missouri-Columbia, University Columbia, United States)
Date Acquired
August 15, 2013
Publication Date
November 1, 1991
Publication Information
Publication: Acta Metallurgica et Materialia
Volume: 39
ISSN: 0956-7151
Subject Category
Metallic Materials
Accession Number
92A12024
Funding Number(s)
CONTRACT_GRANT: NAS2-13182
Distribution Limits
Public
Copyright
Other

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