NIST Special PublicationThe Institute, 2002 |
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Page 3
... diameter of ER 5356 filler metal and 6mm thick AA 5083 Al - Mg alloy base metal were used throughout welding experiments . Electrical signal especially pulsed current waveform as time function , contains essential information about ...
... diameter of ER 5356 filler metal and 6mm thick AA 5083 Al - Mg alloy base metal were used throughout welding experiments . Electrical signal especially pulsed current waveform as time function , contains essential information about ...
Page 4
... diameter for low average welding current . Peak duration -Background duration Peak duration -Background duration A verage current Spray current level Background_ current Time , ms a ) Pulsed current Peak current Voltage , V Background ...
... diameter for low average welding current . Peak duration -Background duration Peak duration -Background duration A verage current Spray current level Background_ current Time , ms a ) Pulsed current Peak current Voltage , V Background ...
Page 5
... diameter of 1.2mm and with the compatible AA 5083 Al - Mg alloy of 6.0mm thick base metal . Argon gas having a commercial purity of 99.97 % and a flow rate of 3.333x10 m3 / s was used throughout the welding as a shielding gas . Welding ...
... diameter of 1.2mm and with the compatible AA 5083 Al - Mg alloy of 6.0mm thick base metal . Argon gas having a commercial purity of 99.97 % and a flow rate of 3.333x10 m3 / s was used throughout the welding as a shielding gas . Welding ...
Page 8
... diameter would be equal to the diameter of weld metal . Various types of droplet detachments were observed for different GMAW - P parameters by means of high speed , double channel , digital storage oscilloscope and classified them in ...
... diameter would be equal to the diameter of weld metal . Various types of droplet detachments were observed for different GMAW - P parameters by means of high speed , double channel , digital storage oscilloscope and classified them in ...
Page 9
... diameter close to that of the filler metal detaches regularly and reliably per every pulse cycle time either during background period ( Fig.6 ) or during peak duration ( Fig.7 ) in the single droplet detachment zone ' C ' where Ip ...
... diameter close to that of the filler metal detaches regularly and reliably per every pulse cycle time either during background period ( Fig.6 ) or during peak duration ( Fig.7 ) in the single droplet detachment zone ' C ' where Ip ...
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Common terms and phrases
algorithm analysis angular distortion arc length arc voltage average current background duration boundary butt weldment calculated camera coefficient of variation detachment during peak developed droplet detachment dynamic effect electrode equation experimental Figure filler metal Friction Stir Welding geometry GMAW GMAW-P GTA weld GTAW hoop stress increase interface keyhole laser machine vision martensite material measured mechanical melting metal arc welding method microstructure mm/min mm/s mode molten pool monitoring NIST oscillation frequency peak duration penetration plasma arc welding plate predicted procedure pulsed current resetting residual stress robot rotational sensor shear stress shown in Fig splash strain structure surface technique Technology thermal types of droplet variation VPPAW waveform weld diameter weld fixture weld joint weld pool weld quality welding current Welding Journal welding parameters welding power supply welding process welding simulation welding speed width wire feed speed workpiece zone
Popular passages
Page ii - Certain commercial equipment, instruments, or materials are identified in this paper in order to adequately specify the experimental procedure. Such identification does not imply recommendation or endorsement by the National Institute of Standards and Technology, nor does it imply that the materials or equipment identified are necessarily the best available for the purpose.
Page 94 - Proceedings of the institution of Mechanical Engineers; Part B: Journal of Engineering Manufacture, Vol. 207, pp.9- 1 4, 1 993 [4] Soar RC and Dickens, PM, "Design of Laminated Tooling for High Pressure Die -Casting," Proceedings-SPIE The international society for Optical Engineering, pp.
Page 123 - Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy.