Natural line widths of Moessbauer absorbers of variable low temperatures.
Clamping system for maintaining natural line widths of Mossbauer absorbers at varying temperatures
Dash, J. G.↗
SEARCH · Engineering Papers
Results for “low temperatures”
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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Development of cathodic electrocatalysts for use in low temperature h2/02 fuel cells with an alkaline electrolyte
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Giner, J.↗
Investigation of low-temperature creep in two titanium alloys Final report
Creep and tensile properties of 5Al-2.5Sn and 6Al-4V titanium alloys
Kiefer, T. F.↗
Development of light weight magnesium alloys for low temperature applications Final summary report, Mar. 21, 1966 - Mar. 25, 1967
Fabrication of light weight aluminum alloys for cryogenic applications
Dunkerley, F. J.↗
The design and development of a low temperature balloon battery Phase 1 final report, 22 May - 5 Aug. 1968
Solar energy transmission measurements of plastic films used as solar cells for weather balloons
Source record↗
Simulated hydrogen cross-leakage in a low-temperature, contained-electrolyte hydrogen-oxygen fuel cell
Simulated hydrogen leakage in electrolytic hydrogen-oxygen fuel cells
Hagedorn, N. H.↗
Thermomagnetic effects and Fermi surface topology - Results in metallic tin at low temperatures.
Fermi surface topology effects on Nernst- Ettingshausen coefficient from measurements in magnetic fields to 3.3 tesla and 1.2-4.2 K temperatures in metallic tin
Woollam, J. A.↗
Infrared absorptance of carbon monoxide at low temperatures.
IR absorptance of CO below room temperature, determining strength and half widths of lines in R branch of fundamental band
Hoover, G. M.↗
Recombination lifetimes in high-purity silicon at low temperatures.
Transient recombination lifetimes in n-type float zone Si from 4.2 K to room temperature, obtaining electrical and photoconductivity values
Leadon, R.↗
Low temperature electrical resistivity of some engineering alloys.
Engineering alloys electrical resistivities measurement at various temperatures, noting temperature and heat treatment effects
Childs, G. E.↗
Low-temperature radiation-resistant material for ball-bearing retainers
Radiation resistant material, made of polyimide polymers and S-glass cloth, is used in ball bearing retainers for extreme environments. Material displays satisfactory wear resistance, lubricity, and stability. Results of comparative tests with fluorocarbon materials are given.
Desau, P. O.↗
Low temperature ablation models made by pressure/vacuum application
Method developed employs high pressure combined with strong vacuum force to compact ablation models into desired conical shape. Technique eliminates vapor hazard and results in high material density providing excellent structural integrity.
Fischer, M. C.↗
Low temperature uses of helium
Helium is used for purging and pressurizing cryogenic rocket propellants, welding, atmosphere control, leak detection, and refrigeration. It provides the lowest possible liquid-bath temperature and produces superconductivity in certain materials. Its superfluid effects are used in superconducting magnets.
Brown, G. V.↗
Metal alloy resistivity measurements at very low temperatures
High speed, automated system accurately measures to approximately one percent in three minutes. System identifies materials having constant thermal or electric conductivity, predicts new material properties, develops alloys in accordance with desired specifications, and develops nondestructive devices for measuring precipitation hardening.
Childs, G. E.↗
Analysis of low temperature trapping and recombination in II-VI compounds using photodielectric techniques
Using photodielectric effect to detect densities of free and trapped carriers in II-VI compounds at cryogenic temperatures
Hartwig, W. H.↗
Low temperature flexure fatigue cryostat Patent
Cryostat for flexure fatigue testing of composite materials
Reece, O. Y.↗
Low temperature aluminum alloy Patent
High strength aluminum casting alloy for cryogenic applications in aerospace engineering
Miller, P. C.↗
Thermal and electrical transport in a tungsten crystal for strong magnetic fields and low temperatures
Thermal and electrical transport in tungsten crystal for strong magnetic fields and liquid helium temperatures
Long, J. R.↗