NIST Special PublicationThe Institute, 2002 |
From inside the book
Results 1-5 of 24
Page iii
... .. A3-2 Systems Technology for Variable Polarity Plasma Arc Welding of Aluminum Alloys Dr. B. Zheng , EWI , Columbus , Ohio ........ .... 87 .......... 97 105 Chair : Dr. A. C. Hall , Sandia National Laboratories iii.
... .. A3-2 Systems Technology for Variable Polarity Plasma Arc Welding of Aluminum Alloys Dr. B. Zheng , EWI , Columbus , Ohio ........ .... 87 .......... 97 105 Chair : Dr. A. C. Hall , Sandia National Laboratories iii.
Page 23
... plasma gas drag force . The force resisting the droplet detachment is mainly the surface tension . The other resistant forces are anode spot pressure and metallic vapor force acting on the anode spot . When the forces promoting droplet ...
... plasma gas drag force . The force resisting the droplet detachment is mainly the surface tension . The other resistant forces are anode spot pressure and metallic vapor force acting on the anode spot . When the forces promoting droplet ...
Page 24
... plasma drag force and other forces are constant , the droplet at the tip of an electrode wire may be forced to oscillate synchronously due to this varying and controllable electromagnetic force . A frequency - controlled variation of a ...
... plasma drag force and other forces are constant , the droplet at the tip of an electrode wire may be forced to oscillate synchronously due to this varying and controllable electromagnetic force . A frequency - controlled variation of a ...
Page 26
... plasma arc welding . The boundary located at the rear part of a weld pool can not be clearly identified because of its convex shape . The image of a weld pool from the front view satisfies the requirements needed for image processing ...
... plasma arc welding . The boundary located at the rear part of a weld pool can not be clearly identified because of its convex shape . The image of a weld pool from the front view satisfies the requirements needed for image processing ...
Page 28
... Plasma Arc Welding of Steel . China , Welding 3 : 17 to 20 . 25. Zhang J.H. and Wang Q.L .. 1985. Study on Arc Sound in TIG and Plasma Processes . IIW Doc.212-610-85 . 26. Martinez L. F .. 1992. Front Side Keyhole Detection in Aluminum ...
... Plasma Arc Welding of Steel . China , Welding 3 : 17 to 20 . 25. Zhang J.H. and Wang Q.L .. 1985. Study on Arc Sound in TIG and Plasma Processes . IIW Doc.212-610-85 . 26. Martinez L. F .. 1992. Front Side Keyhole Detection in Aluminum ...
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 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.