NIST Special PublicationThe Institute, 2002 |
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Page iii
... Pool Oscillation Sensing ........ 71 A2-3 Dr. M. J. M. Hermans , Delft University of Technology , The Netherlands Real - Time Molten Pool Area Extraction for Control of Gas Tungsten Arc Welding ............. 79 Prof. R. Kovacevic , SMU ...
... Pool Oscillation Sensing ........ 71 A2-3 Dr. M. J. M. Hermans , Delft University of Technology , The Netherlands Real - Time Molten Pool Area Extraction for Control of Gas Tungsten Arc Welding ............. 79 Prof. R. Kovacevic , SMU ...
Page 19
... Molten droplet detachment characteristics in steady and pulsed current GMA welding Al - Mg alloys . Proceedings of ... POOL IMAGING USING COMPUTER - CONTROLLED 19.
... Molten droplet detachment characteristics in steady and pulsed current GMA welding Al - Mg alloys . Proceedings of ... POOL IMAGING USING COMPUTER - CONTROLLED 19.
Page 27
... pool can be reliably triggered by a delayed flag signal generated during the ... pool image . The procedure developed for processing a weld pool image includes ... Molten Tip of an Arc Electrode . Journal of Physics 4 : 1433 to 1442 . 10 ...
... pool can be reliably triggered by a delayed flag signal generated during the ... pool image . The procedure developed for processing a weld pool image includes ... Molten Tip of an Arc Electrode . Journal of Physics 4 : 1433 to 1442 . 10 ...
Page 48
... melting tip of the solid electrode from two sources : the heat transferred from the molten end of the wire , and the ... molten end of the electrode wire to its solid ends simplified weld pool model under assumption that the arc rotates ...
... melting tip of the solid electrode from two sources : the heat transferred from the molten end of the wire , and the ... molten end of the electrode wire to its solid ends simplified weld pool model under assumption that the arc rotates ...
Page 49
... molten pool is formed at the position of Cr . Welding direction L Cf Weld line Cr R C L Cr ( a ) Position of arc Figure 2 : Arc shapes at various arc positions ( b ) Images taken by high - speed camera MODEL OF GMA WELDING SYSTEM Figure ...
... molten pool is formed at the position of Cr . Welding direction L Cf Weld line Cr R C L Cr ( a ) Position of arc Figure 2 : Arc shapes at various arc positions ( b ) Images taken by high - speed camera MODEL OF GMA WELDING SYSTEM Figure ...
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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
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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.