NIST Special PublicationThe Institute, 2002 |
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Page 35
... thickness of 4 mm and a diameter of the welding wire of 1,2 mm . Welding was carried out using a EWM High - Tech Inverter power supply " Integral Inverter MIG 350 Pulse ( Update 2.0 ) " ( Ref . 2 ) and with a vertical position of the ...
... thickness of 4 mm and a diameter of the welding wire of 1,2 mm . Welding was carried out using a EWM High - Tech Inverter power supply " Integral Inverter MIG 350 Pulse ( Update 2.0 ) " ( Ref . 2 ) and with a vertical position of the ...
Page 39
... thickness grade X - 70 line pipe during the summer of 2000. The mechanized equipment utilized the solid wire pulsed gas metal arc process with Argon - CO2 shield gas . The joint design was a compound bevel narrow gap with 5 - degree ...
... thickness grade X - 70 line pipe during the summer of 2000. The mechanized equipment utilized the solid wire pulsed gas metal arc process with Argon - CO2 shield gas . The joint design was a compound bevel narrow gap with 5 - degree ...
Page 80
... thickness of the workpiece . Higher order modes of oscillation in the full penetration situation are to be expected in case of a more eccentric position of the arc with respect to the centre of the weld pool [ Ref . 11 ] . However , the ...
... thickness of the workpiece . Higher order modes of oscillation in the full penetration situation are to be expected in case of a more eccentric position of the arc with respect to the centre of the weld pool [ Ref . 11 ] . However , the ...
Page 97
... thicknesses above 4.0 mm . Thus , the selection of the welding parameters and the implementation of controller to ensure the stability of the weld formation in real - time remain a challenge . Recently , it was found that the presence ...
... thicknesses above 4.0 mm . Thus , the selection of the welding parameters and the implementation of controller to ensure the stability of the weld formation in real - time remain a challenge . Recently , it was found that the presence ...
Page 100
... thickness of the welded material . In this weld mode , the natural oscillation frequency of the weld pool is low . So , resonance could occur and the sound signal at the low frequency should be the strongest among the all three welding ...
... thickness of the welded material . In this weld mode , the natural oscillation frequency of the weld pool is low . So , resonance could occur and the sound signal at the low frequency should be the strongest among the all three welding ...
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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.