NIST Special PublicationThe Institute, 2002 |
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Page viii
... effects , and modeling residual stress or mechanical effects . Also covered were the Internet and networked systems in the welding industry . Additional copies of the proceedings are available from NTIS as NIST Special Publication 923 ...
... effects , and modeling residual stress or mechanical effects . Also covered were the Internet and networked systems in the welding industry . Additional copies of the proceedings are available from NTIS as NIST Special Publication 923 ...
Page 3
... effects of the GMAW - P parameters on different types of droplet detachments , namely one droplet detachment during peak duration , one droplet detachment during background duration , two droplets detachment during peak duration , and ...
... effects of the GMAW - P parameters on different types of droplet detachments , namely one droplet detachment during peak duration , one droplet detachment during background duration , two droplets detachment during peak duration , and ...
Page 5
... effects of GMAW - P parameters on the various types of droplet detachments were studied and classified on the basis of type of droplet detachment . Secondly , the average current per pulse cycle time was measured for the various types ...
... effects of GMAW - P parameters on the various types of droplet detachments were studied and classified on the basis of type of droplet detachment . Secondly , the average current per pulse cycle time was measured for the various types ...
Page 8
... effect on the molten droplet at the tip of the filler metal sufficient to propel a single droplet axially through the arc to the base metal . This pinch effect gives good control over droplet detachment during welding . The generation ...
... effect on the molten droplet at the tip of the filler metal sufficient to propel a single droplet axially through the arc to the base metal . This pinch effect gives good control over droplet detachment during welding . The generation ...
Page 16
... peak energy 2.5 2.0 Region 2 1.5 1.0 0.5 0 Region 4 Region 3 Region 1 10 14 18 22 26 30 34 38 42 46 Peak Energy ( 1 ) Figure 15 : Coefficient of variation of average current versus peak energy For this , first , the effects of GMAW - 16.
... peak energy 2.5 2.0 Region 2 1.5 1.0 0.5 0 Region 4 Region 3 Region 1 10 14 18 22 26 30 34 38 42 46 Peak Energy ( 1 ) Figure 15 : Coefficient of variation of average current versus peak energy For this , first , the effects of GMAW - 16.
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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.