NIST Special PublicationThe Institute, 2002 |
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Page iv
... Analysis in the Heat Affected Zone of HQ130 High Strength Steel Dr. Y. Li , Shandong University , Peoples Republic of China ....... 137 Chair : Dr. T. P. Quinn , NIST , Boulder , Colorado Session A5 : Fabrication Quality and Standards ...
... Analysis in the Heat Affected Zone of HQ130 High Strength Steel Dr. Y. Li , Shandong University , Peoples Republic of China ....... 137 Chair : Dr. T. P. Quinn , NIST , Boulder , Colorado Session A5 : Fabrication Quality and Standards ...
Page v
... Analysis of Creep Strength Mis - matched Dissimilar Welded Joints H. Chen , Southwest Jiaotong University , Chengdu , China ......... 281 ...... Chair : Dr. D. F. Farson , The Ohio State University , Columbus , Ohio Session B3 ...
... Analysis of Creep Strength Mis - matched Dissimilar Welded Joints H. Chen , Southwest Jiaotong University , Chengdu , China ......... 281 ...... Chair : Dr. D. F. Farson , The Ohio State University , Columbus , Ohio Session B3 ...
Page 3
... analysis was carried out to determine uniformity of average current . Results show that one droplet detachment during peak duration can provide stable weld compared to other types of droplet detachments . This experimental study helped ...
... analysis was carried out to determine uniformity of average current . Results show that one droplet detachment during peak duration can provide stable weld compared to other types of droplet detachments . This experimental study helped ...
Page 7
... analysis . The personal computer was equipped with the General purpose Instrumentation Bus ( GB - IB ) for current and voltage data acquisition . Totally 1000 data samples were saved during each welding experiments . Analysis of the ...
... analysis . The personal computer was equipped with the General purpose Instrumentation Bus ( GB - IB ) for current and voltage data acquisition . Totally 1000 data samples were saved during each welding experiments . Analysis of the ...
Page 12
... value of average current Standard deviation of average current Coefficient of variation of average current Table 1. Type of droplet detachment , and statistical analysis of average current Current , A 200 150 100 50 50 Time , 127.
... value of average current Standard deviation of average current Coefficient of variation of average current Table 1. Type of droplet detachment , and statistical analysis of average current Current , A 200 150 100 50 50 Time , 127.
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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.