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Oxidation characteristics of Beta-21S in air in the temperature range 600 to 800 CThe metastable beta-Ti alloy Beta-21S, Ti-15Mo-2.7Nb-3Al-0.2Si (weight percent), has been proposed as a candidate for use in metal matrix composites in future hypersonic vehicles. The present study investigated the oxidation behavior of Beta-21S over the temperature range 600 C to 800 C. Oxidation weight gain was evaluated using thermogravimetric analysis. Oxidized specimens were evaluated using x ray diffraction techniques, scanning electron microscopy, energy dispersive x ray analysis, and electron microprobe analysis to identify oxidation products and evaluate oxidation damage to the alloy.
Document ID
19920013164
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Wallace, Terryl A. (NASA Langley Research Center Hampton, VA, United States)
Clark, Ronald K. (NASA Langley Research Center Hampton, VA, United States)
Wiedemann, Karl E. (Analytical Services and Materials, Inc., Hampton VA., United States)
Date Acquired
September 6, 2013
Publication Date
March 1, 1992
Subject Category
Metallic Materials
Report/Patent Number
NASA-TM-104217
NAS 1.15:104217
Report Number: NASA-TM-104217
Report Number: NAS 1.15:104217
Meeting Information
Meeting: World Conference on Titanium
Location: San Diego, CA
Country: United States
Start Date: June 28, 1992
End Date: July 2, 1992
Accession Number
92N22407
Funding Number(s)
PROJECT: RTOP 506-43-71-01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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