Hardness of Five Borides at 1625 Deg C
Borides of transition metals, hafnium, zirconium, niobium, lanthanum and holmium tested for hardness at high temperature
HARDNESS↗
SEARCH · Search NASA
Results for “NIOBIUM”
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.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
Compatibility of tantalum, columbium, and their alloys with hydrogen in presence of temperature gradient
Compatibility of tantalum and niobium with hydrogen in presence of temperature gradient
NIOBIUM↗
Investigation of columbium-modified NASA TAZ-8 superalloy
NASA TAZ-8 superalloy modified with both niobium and boron to improve oxidation resistance and retain workability and high temperature strength characteristics in aerospace applications
OXIDATION RESISTANCE↗
Vacuum requirements for high-temperature testing of columbium alloy systems and components
Contamination effect of niobium alloy at high temperatures in vacuum environments
VACUUM↗
Determination of the emissivity of materials Semiannual progress report, 15 Nov. 1965 - 14 May 1966
Emissivity of titanate-coated stainless steel, niobium-zirconium alloy, and beryllium for space radiators
STAINLESS STEEL↗
A limited review of refractory alloy corrosion tests in potassium.
Refractory niobium alloy corrosion tests in potassium liquid at 2000 to 2200 degrees F
METAL CORROSION↗
Structural and mechanical effects of interstitial sinks
Changes in structure and mechanical properties due to loss of interstitials to reactive metal coatings studied in dispersion strengthened niobium alloys
MECHANICAL PROPERTY↗
Phase Diagram of the Ti-V-Nb-Mo System
Phase diagram of titanium vanadium niobium molybdenum system
VANADIUM ALLOY↗
Investigation of alloys of the ternary Ti-Nb-Cr system
Microstructural and X-ray phase analysis of alloys of titanium niobium chromium system
NIOBIUM ALLOY↗
Metal Carbide-graphite Composites Quarterly Report, Aug. 1 - Oct. 31, 1966
Physical and mechanical properties of tantalum carbide and niobium carbide composites
MECHANICAL PROPERTY↗
Angular Correlation of Cascade Gamma Rays in 94nb
Angular correlation of cascade gamma rays in niobium
GAMMA RADIATION↗
Effect of low density inert gas flush on oxygen-columbium reaction at 1500 deg F to 2000 deg F Final report
Effect of low density inert gas flush on oxygen- niobium reaction
OXYGEN↗
Structural and mechanical effects of interstitial sinks
Structural changes in niobium base alloys induced by exposure to titanium interstitial sink at elevated temperature
TITANIUM↗
Research and development of superconducting thin films Final report, 15 Dec. 1965 - 15 Dec. 1966
Superconducting niobium thin film production
THIN FILM↗
Solubility of transition metals in molten potassium
Equilibrium solubilities of niobium and tantalum in molten potassium
SOLUBILITY↗
Solubility studies in alkali metals
Solubility parameters for niobium and zirconium in lithium and potassium, and calcium solubility in eutectic sodium potassium alloy
SOLUBILITY↗
Evaluation of high strength columbium alloys for alkali metal containment Final report, 25 Jul. 1962 - 15 Dec. 1964
High strength niobium alloy corrosion testing and evaluation of alkali metal containment
METAL CORROSION↗
Compatibility of biaxially stressed D-43 alloy with refluxing potassium
Stress corrosion test of biaxially stressed niobium-base refractory alloy with refluxing potassium
LIQUID POTASSIUM↗