WJ Supplements - 2000
Research
Papers
posted
after
12/98 are available in PDF format ONLY.
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document. Yr Published 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 The model shows droplet transfer strongly influences the flow pattern within the gas metal arc weld pool. BY M. H. DAVIES, M. WAHAB and M. J. PAINTER Posted 12/99 | Published 1/00 Nondendritic equiaxed grain microstructures were simulated in Li-bearing Alloy 2195. BY A. KOSTRIVAS AND J. C. LIPPOLD Posted 12/99 | Published 1/00 The mechanical strain associated with hot cracking is significantly reduced with the introduction of a heat sink trailing a gas tungsten arc welding torch. BY Y. P. YANG, P. DONG, J. ZHANG AND X. TIAN Posted 12/99 | Published 1/00 Improvement of mechanical properties was achieved by a reinforcement composed of a system of parallel wires. BY B. ZORC AND L. KOSEC Posted 12/99 | Published 1/00 A neural network model is developed to improved the accuracy of curent moedels of Ferrits Number prediction. BY J. M. VITEK, ET AL. Published 2/00 The accuracy of a newly developed neural network model is tested and shows good results. BY J. M. VITEK, ET AL. Published 2/00 A critical assessment of published stress formulas for spot welding is made. BY D. RADAJ Published 2/00 An answer to the critical assessment by Radaj. BY S. ZHANG Published 2/00 A basicity index for a flux cored electrode was developed, taking into consideration the metal sheath, fill ingredients and weld metal composition. BY E. BAUNÉ, C. BONNET AND S. LIU Posted 2/00 | Published 3/00 The prediction model is verified by experimental results. BY E. BAUNÉ, C. BONNET AND S. LIU Posted 2/00 | Published 3/00 Magnetically supported laser beam welding features increased process stability. BY M. KERN, P. BERGER AND H. HÜGEL Posted 2/00 | Published 3/00 Welding even thick sections of low-carbon-equivalent steels without costly preheat seems to be a real possibility by following the recommendation of this study. BY A. J. KINSEY Published 4/00 The weld pool, keyhole and plume generated by a laser beam were analyzed with a dual camera system to help predict penetration and control the process. BY R. K. HOLBERT, ET AL. Published 4/00 A three-dimensional heat transfer model was developed to improve the prediction of temperature, themal cycles and size of die fusion zone in a gas tungsten arc weld on titanium. BY Z. YANG, ET AL. Published 4/00 Thermal efficiency is used to quantify the energy made available by the arc. BY E. A. BONIFAZ Posted 4/00 | Published 5/00 Liquation is initiated eutectically and intensified by melting above the eutectic temperature, and the resultant liquid solidifies upward and toward the weld regardless of its position relative to the weld. BY C. HUANG AND S. KOU Posted 4/00 | Published 5/00 Marangoni convection resembling that in weld pools is revealed by flow visualization. BY C. HUANG AND S. KOU Posted 4/00 | Published 5/00 In an effort to better understand reheat cracking, specimens were reheated to various postweld heat treatment temperatures and a strain to cause yielding was applied. BY I LI, ET AL Published 6/00 Research into the effect of high-gravity, buoyancy-diven flow on weld pool size and shape improves our understanding of weldability. BY D. K. AIDUN, ET AL. Published 6/00 A new sensing system that images the front and back of the weld pool was tested with bead-on-plate welding. BY S. B. CHEN, ET AL. Published 6/00 A predictive model and control scheme for gas tungsten arc welding of a butt joint were developed to control the width and shape of the weld pool. BY S. B. CHEN, ET AL. Published 6/00 The effect of force change on spot weld quality is investigated under various welding conditions. BY H. TANG, ET AL. Published 7/00 The influence on mechanical porperties of segregated particles of aluminum oxide trapped in friction-welded joints is examined. BY K UENISHI, ET AL. Published 7/00 The mechanisms of cracking and crack heading are analyzed for spot-welded aluminum alloys. BY J. SENKARA AND H. ZHANG Published 7/00 The microstructural changes and their relationship to welding parameters were examined for electron-beam welded magnesium plates. BY A. MUNITZ, ET AL. Published 7/00 The effect of working fluid properties on test weld cooling rates for weld procedure qualification for active pipeline welding was investigated BY C. BY R. J. BELANGER AND B. M. PATCHETT Posted 7/00 | Published 8/00 Alumina wetting and tensile specimens are brazed with Au-Ni-Mo-V active brazing alloys. BY F. M. HOSKING, C. H. CADDEN, N.Y.C. YANG, S. J. GLASS, J. J. STEPHENS, P. T. VIANCO AND C. A. WALKER Posted 7/00 | Published 8/00 At high Peclet numbers, the pool bottom can be flat or even convex instead of concave. BY C. LIMMANEEVICHITR AND S. KOU Posted 7/00 | Published 8/00 Incrementally coupled finite element procedures that simulate the resistance spot welding process are suitable for analyzing a variety of important weld parameters. BY X. SUN AND P. DONG Posted 7/00 | Published 8/00 A theoretical model was developed that correlates arc light radiation with welding parameters Posted 8/00 | Published 9/00 A preliminary investigation evaluated the feasibility of joining laminated composites using cold-roll bonding followed by diffusion weldingY BY J-G. LUO AND V. L. ACOFF Posted 8/00 | Published 9/00 A preliminary investigation evaluated the feasibility of joining laminated composites using cold-roll bonding followed by diffusion weldingY BY J-G. LUO AND V. L. ACOFF Posted 8/00 | Published 9/00 comprehensive thermal-electrical-mechanical analysis was performed to quantitatively simulate projection welding. BY X. SUN Posted 8/00 | Published 9/00 The tensile strength of resistance-brazed joints is predicted using a model equation based on the electric current variation. BY K. TAKESHITA Posted 8/00 | Published 9/00 The main and interaction effects of the process-control variables on important bead geometry parameters were determined quantitatively and are presented graphically. BY V. GUNARAJ AND N. MURUGAN Posted 9/00 | Published 10/00 Experiments proved the effectiveness of fluoride additions in reducing hydrogen in weld metal. BY M. MATSUSHITA AND S. LIU Posted 9/00 | Published 10/00 HSLA-100 steel weldments made with ultra-low-carbon consumables were investigated by TEM and microhardness mapping analyses. BY D. W. MOON, R. W. FONDA AND G. SPANOS Posted 9/00 | Published 10/00 On-cooling transformations in the fusion zone and heat-affected zone were studied for their relation to crack initiation.BY T. W. NELSON, J. C. LIPPOLD AND M. J. MILLS Posted 9/00 | Published 10/00 Analytic models were developed to establish a relationship between process parameters and weld bead quality BY V. GUNARAJ AND N. MURUGAN Posted 10/00 | Published 11/00 Marangoni convection is reversed to go inward along the pool surface and downward toward the pool bottom, and deeper laser beam welds are produced when the agent is present BY C. LIMMANEEVICHITR AND S. KOU Posted 10/00 | Published 11/00 Weld quality of butt-joint welds with beveled and square edges is investigated BY S. MISSORI AND A. SILI Posted 10/00 | Published 11/00 New equivalency relationships improve the accuracy for predicting weld metal microstructure BY M. C. BALMFORTH AND J. C. LIPPOLD Posted 11/00 | Published 12/00 Manganese is found to be more powerful than nickel in stabilizing austenite with respect to transformation to martensite BY D. J. KOTECKI Posted 11/00 | Published 12/00 The effects of energy input and postweld heat treatment temperature on the stressrelief cracking susceptibility of a new ferritic steel were investigated and compared to conventional 2.25Cr-1Mo steel BY J. G. NAWROCKI, J. N. DUPONT, C. V. ROBINO AND A. R. MARDER Posted 11/00 | Published 12/00 The study shows the feasibility of implementing weld formation control of VPPAW of aluminum in real time BY B. ZHENG, H. J. WANG, Q. I. WANG AND R. KOVACEVIC Posted 11/00 | Published 12/00 The main and interaction effects of the process-control variables on important bead geometry parameters were determined quantitatively and are presented graphically. BY V. GUNARAJ AND N. MURUGAN Posted 9/00 | Published 10/00 Experiments proved the effectiveness of fluoride additions in reducing hydrogen in weld metal. BY M. MATSUSHITA AND S. LIU Posted 9/00 | Published 10/00 HSLA-100 steel weldments made with ultra-low-carbon consumables were investigated by TEM and microhardness mapping analyses. BY D. W. MOON, R. W. FONDA AND G. SPANOS Posted 9/00 | Published 10/00 On-cooling transformations in the fusion zone and heat-affected zone were studied for their relation to crack initiation.BY T. W. NELSON, J. C. LIPPOLD AND M. J. MILLS Posted 9/00 | Published 10/00 Analytic models were developed to establish a relationship between process parameters and weld bead quality BY V. GUNARAJ AND N. MURUGAN Posted 10/00 | Published 11/00 Marangoni convection is reversed to go inward along the pool surface and downward toward the pool bottom, and deeper laser beam welds are produced when the agent is present BY C. LIMMANEEVICHITR AND S. KOU Posted 10/00 | Published 11/00 Weld quality of butt-joint welds with beveled and square edges is investigated BY S. MISSORI AND A. SILI Posted 10/00 | Published 11/00 New equivalency relationships improve the accuracy for predicting weld metal microstructure BY M. C. BALMFORTH AND J. C. LIPPOLD Posted 11/00 | Published 12/00 Manganese is found to be more powerful than nickel in stabilizing austenite with respect to transformation to martensite BY D. J. KOTECKI Posted 11/00 | Published 12/00 The effects of energy input and postweld heat treatment temperature on the stressrelief cracking susceptibility of a new ferritic steel were investigated and compared to conventional 2.25Cr-1Mo steel BY J. G. NAWROCKI, J. N. DUPONT, C. V. ROBINO AND A. R. MARDER Posted 11/00 | Published 12/00 The study shows the feasibility of implementing weld formation control of VPPAW of aluminum in real time BY B. ZHENG, H. J. WANG, Q. I. WANG AND R. KOVACEVIC Posted 11/00 | Published 12/00 Yr Published 1998
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