Results 111 to 120 of about 13,025 (254)
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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Influence of cutting parameters and tool wear on the surface integrity of cobalt-based Stellite 6 alloy when machined under a dry cutting environment [PDF]
, 2016 The efficiency of a machining process can be measured by evaluating the quality of the machined surface and the tool wear rate. The research reported herein is mainly focused on the effect of cutting parameters and tool wear on the machined surface ...
Alexander Galloway +19 more
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Iraqi Journal for Mechanical and Materials Engineering, 2018 The effect of DC pulsed GTAW method factors on mechanical properties of Aluminum alloys 6061–T6 is proves. Throbbed GTAW on the sheet having dimension of (200* 100* 5mm) is implemented at variable pulse current (150, 160, 170, 190) and constant ...
Jenan M Naje +2 more
doaj +1 more source
A generalized method for multiple robotic manipulator programming applied to vertical-up welding [PDF]
The application is described of a weld programming algorithm for vertical-up welding, which is frequently desired for variable polarity plasma arc welding (VPPAW).
Andersen, Kristinn +4 more
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The variable polarity plasma arc welding process: Its application to the Space Shuttle external tank [PDF]
The technical history of the variable polarity plasma arc (VPPA) welding process being introduced as a partial replacement for the gas shielded tungsten arc process in assembly welding of the space shuttle external tank is described.
Bayless, O. E., Jr. +4 more
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Journal of Materials Research and TechnologyThis study presents a comparative analysis of Gas Tungsten Arc Welding (GTAW) and Laser Beam Welding (LBW) on UNS S32507 duplex stainless steel, emphasizing thermal behavior, microstructure, residual stresses, and mechanical performance. A finite element
G. Surya Prakash Rao +8 more
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The potential of a GAS can with payload G-169 [PDF]
The feasibility of using welding for the construction, expansion and emergency repair of space based structures is discussed and the advantages of gas tungsten arc welding (GTAW) over other welding techniques are briefly examined.
Tamir, David
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ABUAD Journal of Engineering Research and DevelopmentIn this study, influence of low and high heat inputs on corrosion susceptibility of 304L austenitic stainless steel (ASS) in simulated 0.5 molar solution of NaCl was investigated.
Bolarinwa Johnson Kutelu +2 more
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Gas tungsten arc welding in a microgravity environment: Work done on GAS payload G-169 [PDF]
GAS payload G-169 is discussed. G-169 contains a computer-controlled Gas Tungsten Arc Welder. The equipment design, problem analysis, and problem solutions are presented.
Kolkailah, Faysal A. +2 more
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