NIST Special PublicationThe Institute, 2002 |
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... techniques , test methods , standards , and related services . The Institute does generic and precompetitive work on new and advanced technologies . NIST's research facilities are located at Gaithersburg , MD 20899 , and at Boulder , CO ...
... techniques , test methods , standards , and related services . The Institute does generic and precompetitive work on new and advanced technologies . NIST's research facilities are located at Gaithersburg , MD 20899 , and at Boulder , CO ...
Page 17
... technique facilitates research into process - integrated quality assurance and to improve the design of GMAW - P equipment to ensure that preferred welding parameters are used and to research the cause of variable performance of GMAW ...
... technique facilitates research into process - integrated quality assurance and to improve the design of GMAW - P equipment to ensure that preferred welding parameters are used and to research the cause of variable performance of GMAW ...
Page 29
... Techniques . Welding Journal 69 ( 4 ) : 181s to 185s . 44. Oshima K. and Morita M .. 1992. Sensing and Digital Control of Weld Pool in Pulsed MIG Welding . Transactions of the Japan Welding Society 23 ( 4 ) : 36 to 42 . 45. Eagar ...
... Techniques . Welding Journal 69 ( 4 ) : 181s to 185s . 44. Oshima K. and Morita M .. 1992. Sensing and Digital Control of Weld Pool in Pulsed MIG Welding . Transactions of the Japan Welding Society 23 ( 4 ) : 36 to 42 . 45. Eagar ...
Page 31
... technique , described by Allemand et . al . ( Ref . 1 ) . For the mentioned problems the systems are unsuitable due to a set of disadvantages . The most important are : >> The necessity of the lighting unit and the limited possibilities ...
... technique , described by Allemand et . al . ( Ref . 1 ) . For the mentioned problems the systems are unsuitable due to a set of disadvantages . The most important are : >> The necessity of the lighting unit and the limited possibilities ...
Page 34
... techniques . Pre - processing is essential . For pre - processing a procedure is necessary , which is robust against varying image contents ( e.g. arc brightness ) . A procedure was developed , which enables the ,, recognition " of the ...
... techniques . Pre - processing is essential . For pre - processing a procedure is necessary , which is robust against varying image contents ( e.g. arc brightness ) . A procedure was developed , which enables the ,, recognition " of 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.