NIST Special PublicationThe Institute, 2002 |
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Page viii
... flow , modeling thermomechanical effects , and modeling residual stress or mechanical effects . Also covered were the Internet and networked systems in the welding industry . Additional copies of the proceedings are available from NTIS ...
... flow , modeling thermomechanical effects , and modeling residual stress or mechanical effects . Also covered were the Internet and networked systems in the welding industry . Additional copies of the proceedings are available from NTIS ...
Page 5
... flow rate of 3.333x10 m3 / s was used throughout the welding as a shielding gas . Welding Power Supply -4 A transistorized welding power supply was used for carrying out GMAW - P operations ( Fig . 2 ) in a pulsed current mode ...
... flow rate of 3.333x10 m3 / s was used throughout the welding as a shielding gas . Welding Power Supply -4 A transistorized welding power supply was used for carrying out GMAW - P operations ( Fig . 2 ) in a pulsed current mode ...
Page 51
... flow , can predict the shape of weld pool boundary in the vicinity of arc with reasonable accuracy ( Ref . 8 ) . A quasi - steady conduction model was used for calculation of the CTWD during high - speed arc rotation . Welding current ...
... flow , can predict the shape of weld pool boundary in the vicinity of arc with reasonable accuracy ( Ref . 8 ) . A quasi - steady conduction model was used for calculation of the CTWD during high - speed arc rotation . Welding current ...
Page 54
... flow in the filler metal in GMA welding . Welding Journal 61 ( 8 ) : 269 - s to 282 - s . 7 Murray , W.D .; and Landis , F. 1959. Numerical and machine solution of transient heat- conduction problems involving melting or freezing ...
... flow in the filler metal in GMA welding . Welding Journal 61 ( 8 ) : 269 - s to 282 - s . 7 Murray , W.D .; and Landis , F. 1959. Numerical and machine solution of transient heat- conduction problems involving melting or freezing ...
Page 82
... flow chart . The input parameters are : initial base current and trigger current , trigger duration , trigger frequency and control frequency . During welding , voltage data was collected with an acquisition rate of 20.48 kHz . During ...
... flow chart . The input parameters are : initial base current and trigger current , trigger duration , trigger frequency and control frequency . During welding , voltage data was collected with an acquisition rate of 20.48 kHz . During ...
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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.