NIST Special PublicationThe Institute, 2002 |
From inside the book
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Page 3
... welding ( GMAW - P ) is widely used to weld these alloys . However , quality of the weld mainly depends upon the parameters ... welding speed ( Ws ) , and wire feed speed ( WF ) . Selecting the most suitable GMAW - P parameter is very complex ...
... welding ( GMAW - P ) is widely used to weld these alloys . However , quality of the weld mainly depends upon the parameters ... welding speed ( Ws ) , and wire feed speed ( WF ) . Selecting the most suitable GMAW - P parameter is very complex ...
Page 4
... welding ( GMAW - P ) is the most advanced and promising one among various ... parameters , namely peak current ( Ip ) , peak duration ( Tp ) , background ... welding engineers are considering quality control 4.
... welding ( GMAW - P ) is the most advanced and promising one among various ... parameters , namely peak current ( Ip ) , peak duration ( Tp ) , background ... welding engineers are considering quality control 4.
Page 5
... welding voltage , welding current as well as the reproduction of welding data and complete documentation of all parameters and welding machine adjustments . In this research paper , a optimum GMAW - P parameter is selected on the basis ...
... welding voltage , welding current as well as the reproduction of welding data and complete documentation of all parameters and welding machine adjustments . In this research paper , a optimum GMAW - P parameter is selected on the basis ...
Page 7
... welding experiments . Analysis of the fluctuations of these values as a function of various pulsing parameters was useful to understand arc's behavior and this could be correlated to the various types of molten metal droplet detachments ...
... welding experiments . Analysis of the fluctuations of these values as a function of various pulsing parameters was useful to understand arc's behavior and this could be correlated to the various types of molten metal droplet detachments ...
Page 8
Welding Procedure The flat position bead - on - plate welds were prepared ... parameters of the pulsed current and the type of droplet detachment to ... parameters can extend the operational range of filler metal . This is because the ...
Welding Procedure The flat position bead - on - plate welds were prepared ... parameters of the pulsed current and the type of droplet detachment to ... parameters can extend the operational range of filler metal . This is because the ...
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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.