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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Fluid extrusion of large grain metals and powder metallurgy products - chromium-magnesium oxide composite, hafnium carbide, and tungsten- tantalum alloy
Iridium as high temperature protective coating for unalloyed niobium and tantalum
Growth of single crystals of tantalum carbide and hafnium carbide, and their solid solutions
Corrosion resistance of niobium and tantalum base alloys to refluxing potassium
Normal spectral emittance of tungsten and single phase fcc hafnium and tantalum carbides solid solution above 1600 degrees C
Low-energy electron diffraction study of initial oxidation product in oxidation of tantalum
Material specifications for advanced refractory niobium, tantalum, and molybdenum alloys - potassium corrosion test loop development
Creep data obtained at high temperatures for molybdenum, niobium, tantalum, and tungsten refractory alloys which have potential use in advanced power systems
Growth parameters for refractory tantalum carbide single crystals
High temperature protective coating for refractory metals - electrodeposition and diffusion bonding of iridium on tantalum to prevent oxidation
Crystal growth experiments to explore influence of atmospheric compositions, during melting, on crystal stochiometry emphasizing determination of tantalum solubility
Mass and emission spectrographic analyses of magnesium oxide and tantalum carbide to determine impurities
High temperature oxidation tests on tantalum- tungsten alloy sheet for heat shield use
Physical property evaluation of oxidation resistant coating materials for high temperature protection of tantalum-base alloys
Computational methods for calculation of evaporation rates in tantalum-hafnium-carbon system
System feasibility testing of analog voltage to duty cycle generator, and production process for thin film tantalum resistors
Electric resistivity measurements to determine solubility and diffusion of oxygen in tantalum, columbium, and alloys
Zeta phase in tantalum-carbon system, noting diffusionless transformation of carbon-deficient lattice under compressive stress