Oxidation characteristics of Beta-21S in air in the temperature range 600 to 800 C
Conference
·
OSTI ID:5004076
The 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.
- Research Organization:
- National Aeronautics and Space Administration, Hampton, VA (United States). Langley Research Center
- OSTI ID:
- 5004076
- Report Number(s):
- N-92-22407; NASA-TM--104217; NAS--1.15:104217; CONF-920604--
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360105* -- Metals & Alloys-- Corrosion & Erosion
ALLOYS
ALUMINIUM ALLOYS
CHEMICAL REACTIONS
COHERENT SCATTERING
COMPOSITE MATERIALS
CORROSION RESISTANCE
CRYSTAL STRUCTURE
DIFFRACTION
ELECTRON MICROSCOPY
ELECTRON PROBES
MATERIALS
MATERIALS TESTING
MATRIX MATERIALS
MICROSCOPY
MICROSTRUCTURE
MOLYBDENUM ALLOYS
NIOBIUM ALLOYS
OXIDATION
PROBES
SCATTERING
SILICON ADDITIONS
SILICON ALLOYS
TESTING
TITANIUM ALLOYS
TITANIUM BASE ALLOYS
X-RAY DIFFRACTION
360105* -- Metals & Alloys-- Corrosion & Erosion
ALLOYS
ALUMINIUM ALLOYS
CHEMICAL REACTIONS
COHERENT SCATTERING
COMPOSITE MATERIALS
CORROSION RESISTANCE
CRYSTAL STRUCTURE
DIFFRACTION
ELECTRON MICROSCOPY
ELECTRON PROBES
MATERIALS
MATERIALS TESTING
MATRIX MATERIALS
MICROSCOPY
MICROSTRUCTURE
MOLYBDENUM ALLOYS
NIOBIUM ALLOYS
OXIDATION
PROBES
SCATTERING
SILICON ADDITIONS
SILICON ALLOYS
TESTING
TITANIUM ALLOYS
TITANIUM BASE ALLOYS
X-RAY DIFFRACTION