NIST Special PublicationThe Institute, 2002 |
From inside the book
Results 1-5 of 28
Page 191
... Strain Gauge Amplifier Strain Gauge Current Sensor Figure 6 : Typical configuration of the New Monitoring / Control System Air Cylinder or Electric Servo Actuator Electrodes Workpieces Lower Arm The welding current corrects the ...
... Strain Gauge Amplifier Strain Gauge Current Sensor Figure 6 : Typical configuration of the New Monitoring / Control System Air Cylinder or Electric Servo Actuator Electrodes Workpieces Lower Arm The welding current corrects the ...
Page 205
... strain history annihilation due to material melting / remelting , weld metal deposition , and material phase changes . The details for the weld UMAT and its numerical implementation are given in literature ( Ref . 3 , 4 ) . The material ...
... strain history annihilation due to material melting / remelting , weld metal deposition , and material phase changes . The details for the weld UMAT and its numerical implementation are given in literature ( Ref . 3 , 4 ) . The material ...
Page 215
... Strain Hexahedron and Quadrilateral With Orthogonal Hourglass Control , International Journal for Numerical Methods in Engineering , Vol . 17 , 1981 , p . 679-706 . Liu , W. K. , Belytschko , T. , Efficient Linear and Nonlinear Heat ...
... Strain Hexahedron and Quadrilateral With Orthogonal Hourglass Control , International Journal for Numerical Methods in Engineering , Vol . 17 , 1981 , p . 679-706 . Liu , W. K. , Belytschko , T. , Efficient Linear and Nonlinear Heat ...
Page 223
... strains are set to zero . The interaction of this strain zeroing with the isotropic and kinematic hardening is examined in terms of the effect on the distribution of residual stress and welding - induced distortion . KEYWORDS Residual ...
... strains are set to zero . The interaction of this strain zeroing with the isotropic and kinematic hardening is examined in terms of the effect on the distribution of residual stress and welding - induced distortion . KEYWORDS Residual ...
Page 224
... strain during material melting . COMPUTATIONAL MODELS The analyses conducted here utilize an axisymmetric idealization of a pipe girth butt weld . The finite - element mesh used in the IIW round robin forms the basis for all analyses ...
... strain during material melting . COMPUTATIONAL MODELS The analyses conducted here utilize an axisymmetric idealization of a pipe girth butt weld . The finite - element mesh used in the IIW round robin forms the basis for all analyses ...
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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.