NIST Special PublicationThe Institute, 2002 |
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Results 1-5 of 33
Page vii
... presentation , and technical sessions on the topics : off - line planning , real - time welding information , data ... presented papers on the topics of standards , applications , quality and NDE , sensing , control , and databases ...
... presentation , and technical sessions on the topics : off - line planning , real - time welding information , data ... presented papers on the topics of standards , applications , quality and NDE , sensing , control , and databases ...
Page viii
... presented in conjunction with the American Welding Society , the National Institute of Standards and Technology , and The Welding Institute . Attendees were able to observe how computers can be used for more than just databases . In ...
... presented in conjunction with the American Welding Society , the National Institute of Standards and Technology , and The Welding Institute . Attendees were able to observe how computers can be used for more than just databases . In ...
Page 10
... presented in Fig.13 . Voltage , V Current , A Time , ms wwwx Short - circuit Time , ms Necking Peak duration = 3 ms Droplet detachment time = 4.05 ms -Filler metal Stages of droplet detachment One droplet detachment during background ...
... presented in Fig.13 . Voltage , V Current , A Time , ms wwwx Short - circuit Time , ms Necking Peak duration = 3 ms Droplet detachment time = 4.05 ms -Filler metal Stages of droplet detachment One droplet detachment during background ...
Page 26
... presented demonstrates real - time monitoring of both droplet detachment and the weld pool during a GMAW - P process . 2. A composite pulse current consisting of a square wave followed by a sine wave can initiate the growth and ...
... presented demonstrates real - time monitoring of both droplet detachment and the weld pool during a GMAW - P process . 2. A composite pulse current consisting of a square wave followed by a sine wave can initiate the growth and ...
Page 83
... presented in Figure 6. In this case , the relatively low frequency , characteristic for bulk oscillation is observed . The measured oscillation frequency , in both situations , is in good agreement with the calculated oscillation ...
... presented in Figure 6. In this case , the relatively low frequency , characteristic for bulk oscillation is observed . The measured oscillation frequency , in both situations , is in good agreement with the calculated oscillation ...
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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.