NIST Special PublicationThe Institute, 2002 |
From inside the book
Results 1-5 of 57
Page 48
... thermal conduction ( Ref . 5 ) . They modeled the heat transferred to the melting tip of the solid electrode from two sources : the heat transferred from the molten end of the wire , and the heat directly delivered to the solid ...
... thermal conduction ( Ref . 5 ) . They modeled the heat transferred to the melting tip of the solid electrode from two sources : the heat transferred from the molten end of the wire , and the heat directly delivered to the solid ...
Page 111
... thermal conditions is the first priority and a prerequisite for achieving consistent uniformity of a weld bead ( Ref . 13 , 19-23 ) . Fig . 6 shows the variation of the bottom diameter of a keyhole with the time when the thermal ...
... thermal conditions is the first priority and a prerequisite for achieving consistent uniformity of a weld bead ( Ref . 13 , 19-23 ) . Fig . 6 shows the variation of the bottom diameter of a keyhole with the time when the thermal ...
Page 112
... thermal conditions of a butt - jointed weldment change . ACKNOWLEDGEMENT The author expresses his great acknowledgement to the supports of National Key Laboratory of Advanced Welding Production Technology , P. R. China and Edison ...
... thermal conditions of a butt - jointed weldment change . ACKNOWLEDGEMENT The author expresses his great acknowledgement to the supports of National Key Laboratory of Advanced Welding Production Technology , P. R. China and Edison ...
Page 137
... thermal cycle . The HAZ is considered as a weak part in the welded joint of the high strength steel ( Ref.1,2 ) . It is very important to ensure the microstructure and mechanical properties of welding zone , especially for the low alloy ...
... thermal cycle . The HAZ is considered as a weak part in the welded joint of the high strength steel ( Ref.1,2 ) . It is very important to ensure the microstructure and mechanical properties of welding zone , especially for the low alloy ...
Page 139
... thermal cycles . Impact work in the HAZ of multi - layer welding is obviously increased , which is favorable to welding of HQ130 high strength steel . The test result of impact work in the practical welded joint zone of HQ130 steel is ...
... thermal cycles . Impact work in the HAZ of multi - layer welding is obviously increased , which is favorable to welding of HQ130 high strength steel . The test result of impact work in the practical welded joint zone of HQ130 steel is ...
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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.