NIST Special PublicationThe Institute, 2002 |
From inside the book
Results 1-5 of 99
Page 49
... temperature distribution of the electrode and Waszink's experimental results ( Ref . 6 ) . From Fig . 4 , Qm / I shows a linear relation with the Peclet number for spray and globular transfer mode . The charcteristic length of the ...
... temperature distribution of the electrode and Waszink's experimental results ( Ref . 6 ) . From Fig . 4 , Qm / I shows a linear relation with the Peclet number for spray and globular transfer mode . The charcteristic length of the ...
Page 53
... Welding current was simulated by considering the dynamic characteristics of GMA welding system such as dynamic wire melting , transient temperature distribution of wire ( 3 ) and internal resistance and inductance of welding 53.
... Welding current was simulated by considering the dynamic characteristics of GMA welding system such as dynamic wire melting , transient temperature distribution of wire ( 3 ) and internal resistance and inductance of welding 53.
Page 107
... temperature of the plasma arc column is higher than that for other types of arc columns . Therefore , compared with the cathodic and anodic regions , much more heat VAarc 20 ms 13.6 ms 6.4 ms 40 ms 33.6 ms 6.4 ms VBarc 80 ms 73.6 ms 6.4 ...
... temperature of the plasma arc column is higher than that for other types of arc columns . Therefore , compared with the cathodic and anodic regions , much more heat VAarc 20 ms 13.6 ms 6.4 ms 40 ms 33.6 ms 6.4 ms VBarc 80 ms 73.6 ms 6.4 ...
Page 108
... temperature of plasma arc jet , molecular weight of the plasma gas , and atmosphere pressure , respectively at the entrance and exit of the orifice , and a is the ionization intensity of the plasma arc jet . According to 108.
... temperature of plasma arc jet , molecular weight of the plasma gas , and atmosphere pressure , respectively at the entrance and exit of the orifice , and a is the ionization intensity of the plasma arc jet . According to 108.
Page 109
... temperature that relates to the level of the welding current . This temperature - related component of the velocity is the major contribution to the arc pressure . The arc pressure is generated by the dynamic pressure resulting from the ...
... temperature that relates to the level of the welding current . This temperature - related component of the velocity is the major contribution to the arc pressure . The arc pressure is generated by the dynamic pressure resulting from the ...
Contents
3 | |
21 | |
31 | |
39 | |
47 | |
57 | |
71 | |
79 | |
147 | |
155 | |
173 | |
183 | |
203 | |
211 | |
223 | |
233 | |
87 | |
97 | |
105 | |
117 | |
125 | |
137 | |
241 | |
251 | |
265 | |
281 | |
297 | |
317 | |
Other editions - View all
Common terms and phrases
algorithm analysis angular distortion arc length arc voltage average current boundary butt weldment calculated camera 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 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 shielding gas shown in Fig splash strain structure surface technique Technology temperature distribution 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 welding voltage 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 96 - 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 125 - Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy.