NIST Special PublicationThe Institute, 2002 |
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Page iii
... , Richardson , Texas ... A3-2 Systems Technology for Variable Polarity Plasma Arc Welding of Aluminum Alloys Dr. B. Zheng , EWI , Columbus , Ohio ........ .... 87 .......... 97 105 Chair : Dr. A. C. Hall , Sandia National Laboratories iii.
... , Richardson , Texas ... A3-2 Systems Technology for Variable Polarity Plasma Arc Welding of Aluminum Alloys Dr. B. Zheng , EWI , Columbus , Ohio ........ .... 87 .......... 97 105 Chair : Dr. A. C. Hall , Sandia National Laboratories iii.
Page 3
... alloys are widely used in the production of new breed lightweight cars . The pulsed current gas metal arc welding ( GMAW - P ) is widely used to weld these alloys . However , quality of the weld mainly depends upon the parameters of the ...
... alloys are widely used in the production of new breed lightweight cars . The pulsed current gas metal arc welding ( GMAW - P ) is widely used to weld these alloys . However , quality of the weld mainly depends upon the parameters of the ...
Page 4
... alloys is the new breed lightweight cars . The reason is its higher resistance to climatic conditions and higher corrosion resistance over steel cars . However , the most recognized benefit is its greater strength combined with lower ...
... alloys is the new breed lightweight cars . The reason is its higher resistance to climatic conditions and higher corrosion resistance over steel cars . However , the most recognized benefit is its greater strength combined with lower ...
Page 5
... alloy having a 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 ...
... alloy having a 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 ...
Page 15
... alloys in the production of new breed lightweight cars . The pulsed current gas metal arc welding ( GMAW - P ) is widely used to weld these alloys . However , quality of the weld mainly depends upon the parameters of the pulsed current ...
... alloys in the production of new breed lightweight cars . The pulsed current gas metal arc welding ( GMAW - P ) is widely used to weld these alloys . However , quality of the weld mainly depends upon the parameters of the pulsed current ...
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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.