Identification of the Dominant Factor for Droplet Ejection from a Tungsten Electrode during AC Tungsten Inert Gas Welding by Visualisation of Electrode Phenomena. [PDF]
Materials (Basel), 2023 Iida K, Komen H, Shigeta M, Tanaka M.
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A path to in-space welding and to other in-space metal processing technologies using Space Shuttle small payloads [PDF]
As we venture into space, it becomes necessary to assemble, expand, and repair space-based structures for our housing, research, and manufacturing. The zero gravity-vacuum of space challenges us to employ construction options which are commonplace on ...
Tamir, David
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Experimental Investigation and Parametric Optimization of the Tungsten Inert Gas Welding Process Parameters of Dissimilar Metals. [PDF]
Materials (Basel), 2022 Assefa AT +6 more
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NASA Contributions to Metals Joining [PDF]
Survey of NASA supported metals joining research having industrial ...
Heuschkel, J., Reichenecker, W. J.
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Thorium-232 Exposure during Tungsten Inert Gas Arc Welding and Electrode Sharpening.
INDUSTRIAL HEALTH, 2003 To assess the exposure of welders to thorium-232 (232Th) during tungsten inert gas arc (TIG) welding, airborne concentrations of 232Th in the breathing zone of the welder and background levels were measured. The radioactive concentrations were 1.11 x 10(-2) Bq/m3 during TIG welding of aluminum (TIG/Al), 1.78 x 10(-4) Bq/m3 during TIG welding of ...
Hiroyuki, Saito +4 more
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Comparative analysis of weld strength of nickel-chromium and cobalt-chromium base metal alloys when submitted to tungsten inert gas welding. [PDF]
J Adv Pharm Technol Res, 2022 Shenoy A +4 more
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A comparison of the physics of Gas Tungsten Arc Welding (GTAW), Electron Beam Welding (EBW), and Laser Beam Welding (LBW) [PDF]
The physics governing the applicability and limitations of gas tungsten arc (GTA), electron beam (EB), and laser beam (LB) welding are compared.
Nunes, A. C., Jr.
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Materials technology for an advanced space power nuclear reactor concept: Program summary [PDF]
The results of a materials technology program for a long-life (50,000 hr), high-temperature (950 C coolant outlet), lithium-cooled, nuclear space power reactor concept are reviewed and discussed.
Gluyas, R. E., Watson, G. K.
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Aluminum oxide filler prevents obstructions in tubing during welding [PDF]
, 1966 Granular aluminum oxide is used as filler in serpentine tubing while welding the tubing to a flat surface. The filler eliminates obstructions in the tubes formed by molten weld nuggets and is porous enough to allow gases to escape from the welding ...
Okelly, K. P.
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Vacuum vapor deposition: A spinoff of space welding development [PDF]
A vapor deposition process has been defined through a spinoff effort of space welding development. In this development for welding in a space environment, a hollow electrode was used to add gas precisely at the welding arc.
Poorman, R. M.
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