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Results for “REFRACTORY”

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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At least 829 records · Page 46

All sources NASA NTRS DOE OSTI

NASA NTRS1967

The less common refractory metals - /Rhenium, hafnium, technetium, noble metals/

Physical and mechanical properties of rhenium, technetium, hafnium, noble metals, and related alloys reviewed in terms of availability and costs

Maltz, J.↗

NASA NTRS1967

High temperature protective coatings for refractory metals Progress report, 21 Oct. 1967 - 21 Jan. 1968

Change in thickness and mechanical properties of iridium coating on molybdenum determined after heat treatment

Rexer, J.↗

NASA NTRS1967

Generation of long time creep data on refractory alloys at elevated temperatures Monthly report, 17 Mar. - 14 Dec. 1967

Creep tests of molybdenum base TZC, TZM alloys tantalum base T-111 and Astar 811C in vacuum environments

Sheffler, K. D.↗

NASA NTRS1968

Advanced refractory alloy corrosion loop program Quarterly progress report, 15 Oct. 1967 - 15 Jan. 1968

Fabrication of T-111 Rankine system corrosion test loop using tantalum alloy capsules filled with alkali metals

Harrison, R. W.↗

NASA NTRS1968

Space-power-system Material Compatibility Tests of Selected Refractory Metal Alloys with Boiling Potassium

Turbogenerator material compatibility tests of niobium and tantalum alloys with boiling potassium

Moss, T. A.↗

NASA NTRS1967

Determination of optimum fabrication techniques for the production of austenitic refractory bimetallic tubing Midpoint report, 29 Mar. - 23 Oct. 1967

Destructive and nondestructive tests on tantalum austenitic bimetallic tubing for SNAP 8 boiler system

Buckman, R. W.↗

NASA NTRS1968

High temperature protective coatings for refractory metals Final technical report

High temperature protective coatings of iridium on tantalum, niobium, molybdenum, and tungsten

Rexer, J.↗

NASA NTRS1967

Space-power-system material compatibility tests of selected refractory metal alloys with boiling potassium.

Niobium and tantalum alloys compatibility with boiling potassium tested for applications to turboelectric space power system

Moss, T. A.↗

NASA NTRS1967

Fibering of oxides in refractory metals.

Fibering of metal oxides in Nb and Ta matrices prepared by extrusion and powder metallurgy, discussing mechanical properties

Jech, R. W.↗

NASA NTRS1968

Field-electron-microscopy studies of cesium layers on various refractory metals - Work function change.

Work function variation with Cs layer coverage on W, Mo, Re and Ni substrates, using field electron microscopes

Strayer, R. W.↗

NASA NTRS1968

Hydrogen effects in refractory metals.

Hydrogen effects on molybdenum, tungsten, columbium and tantalum, studying solubility, permeability, diffusion and phase diagrams

Chandler, W. T.↗

NASA NTRS1968

Computation of component vapor pressures and vaporization rates in refractory metal-metal- carbon systems.

Vapor pressures and vaporization rates of components in /Ta, Hf/C systems at high temperatures, using Schottky-Wagner model

Kaufman, L.↗

NASA NTRS1969

Refractory oxide insulated thermocouple designed and analyzed for high temperature applications

Study establishes design criteria for constructing high temperature thermocouple to measure nuclear fuel pin temperature. The study included a literature search to determine the compatibility of material useful for thermocouples, a hot zone error analysis, and a prototype design for hot junction and connector pin connections.

Popper, G. F.↗

NASA NTRS1968