ADS
WJ Supplements -1999
RESEARCH PAPERS
Research Papers posted are available in PDF format ONLY.
You will need Adobe Acrobat Reader to view the PDF version of the document.
1970s
1980s
1990s
2000s
2010s
The study showed cracking of Fe-Al cladding was independent of the welding process and parameters, but related directly to the amount of aluminum present. BY S. W. BANOVIC, J. N. DuPONT, P. F. TORTORELLI AND A. R. MARDER S. W. BANOVIC, J. N. DuPONT and A. R. MARDER are with the Department of Materials Science and Engineering, Lehigh University, Bethlehem, Pa. P. F. TORTORELLI is with Oak Ridge National Laboratory, Oak Ridge, Tenn. Posted 1/99 A parametric model was developed to predict thermal behavior of electrode cap. BY K. S. YEUNG AND P. H. THORNTON, K. S. YEUNG and P. H. THORNTON are with Scientific Research Laboratories, Ford Motor Company, Dearborn, Mich. Posted 1/99 A newly developed model correlated with an experiment has shown laser beam energy distribution and absorptivity greatly affects laser weld dimensions. BY M. R. FREWIN AND D. A. SCOTT Posted 2/99 Welding parameters seem to be the determining factor for controlling hydrogen levels even when high shielding gas moisture, high ferrite level and high restraint conditions were induced. BY V. v. d. MEE, H. MEELKER and R. v. d. SCHELDE Posted 2/99 The susceptibility of dissimilar austenitic/ferritic combinations to hydrogen-induced cracking near the fusion boundary has been investigated. By M. D. Rowe, T. W. Nelson and J. C. Lippold Posted 4/99 Experimental melt patterns on 304 stainless steel agree well with calculation and simulation results. BY J. O. MILEWSKI AND M. B. BARBE Posted 7/99 Weld size requirements based on throat shear against electrode allowables were calculated with loads derived from FEA shell element results. BY M. A. WEAVER Posted 7/99 Stainless steel and Ag-Ni-Ag laminate are joined to copper with Au-based alloys at 400-550°C (752-1022°F). BY F. M. HOSKING, J. J. STEPHENS AND J. A. REJENT Posted 7/99 The stability of the short circuit gas metal arc welding process is directly related to weld pool oscillations. BY M. J. M. HERMANS AND G. DEN OUDEN Posted 7/99 A new fume chamber design improves the accuracy of fume generation data. BY B. J. QUIMBY AND G. D. ULRICH Posted 7/99 Welds produced with the developed filler metal possess equivalent corrosion and mechanical properties to high-purity stainless steel, in addition to good weldability. BY H. Y. HAN AND Z. SUN Posted 7/99 The influence of thermocapillary convection on weld shape is investigated for the gas tungsten arc process. BY S. W. PIERCE, P. BURGARDT AND D. L. OLSON Posted 7/99 Once the keyhole was established, the width of the keyhole did not change with an increasing welding current and a decreasing welding speed. BY Y. M. ZHANG AND S. B. ZHANG Posted 7/99 Results show it is possible to detect changes in weld quality automatically and on-line. BY S. ADOLFSSON, A. BAHRAMI, G. BOLMSJÖ AND I. CLAESSON Posted 7/99 With a new method of firing the thyristors, steady and pulsed direct current welding with a single three-phase converter is possible. BY M. THAMODHARAN, H. P. BECK AND A. WOLF Posted 7/99 Dilution from FCAW-S weld metals influences SMAW mechanical properties. BY A. GEAN, S. A. WESTGATE, J. C. KUCZA AND J. C. EHRSTROM Posted 7/99 Dilution from FCAW-S weld metals influences SMAW mechanical properties. BY M. A. QUINTANA AND M. Q. JOHNSON Posted 7/99 For this friction welding system, the joint strength is best with 360 Al-360Al and worst with 360Al/10v-%-360Al/10v-% SiC particulate composites. BY C. B. LIN, C. K. MU, W. W. WU AND C. H. HUNG Posted 7/99 The cracking behavior and mechanical properties are discussed in terms of microstructural evolution. BY J. A. BROOKS AND W. M. GARRISON, Jr. Posted 11/99 Stresses in weld-bonded joints with adhesives of different elastic moduli and thicknesses are obtained by a three-dimensional finite element method. BY B. H. CHANG, Y. W. SHI AND S. J. DONG Posted 11/99 Research led to the development of a nitrogen- and manganese-modified, high- nickel stainless steel alloy for a demanding cryogenic magnet application. BY S. F. KANE, A. L. FARLAND, T. A. SIEWERT AND C. N. McCOWAN Posted 11/99 Analytical solutions for 3-D moving heat sources were derived and experimentally validated by transient temperature measured at various points in bead-on-plate specimens and by means of weld pool geometry. BY N. T. NGUYEN, A. OHTA, K. MATSUOKA, N. SUZUKI AND Y. MAEDA Posted 11/99 Tracers embedded in the weld path and a 3stop action2 technique give insight into the movement of material during friction stir welding. BY K. COLLIGAN Posted 11/99 Solidification modeling results are utilized to relate fusion zone composition to mushy zone characteristics and resultant solidification cracking susceptibility in Alloy 20Cb-3. BY J. N. DuPONT Posted 11/99 Successful welds without gas-formed porosity are made in tightly clamped lap joints of zinc-coated sheet steel. BY Y-F. TZENG Posted 11/99 Flat microtensile specimens were found suitable for determining the mechanical properties of similar and dissimilar laser beamweld joints. BY G. ÇAM, S. ERIM, Ç. YENI AND M. KOÇAK Posted 11/99 Keyhole stability is found to play a major role in porosity formation. BY M. PASTOR, H. ZHAO, R. P. MARTUKANITZ AND T. DEBROY Posted 11/99 The best combination of alloying elements to provide optimum toughness and strength is investigated. BY E. S. SURIAN AND L. A. de VEDIA Posted 11/99 A modified welding system achieves good joint penetration and controlled heat input with the gas tungsten arc process. BY Y. M. ZHANG AND S. B. ZHANG Posted 11/99 A martensite boundary, based upon magnetic measurements and longitudinal face bend tests, is proposed for the WRC-1992 diagram. BY D. J. KOTECKI Posted 11/99 The causes of joint brittleness are investigated and ways to prevent it are suggested. BY M. ROULIN, J. W. LUSTER, G. KARADENIZ AND A. MORTENSEN Posted 11/99 A method for selection of process parameters in pulsed GMAW helps to efficiently develop welding procedures. BY S. SUBRAMANIAM, D. R. WHITE, J. E. JONES AND D. W. LYONS Posted 11/99 The effect of welding sequence on panel distortion is evaluated. BY C. L. TSAI, S. C. PARK AND W. T. CHENG Posted 11/99 The formulas developed will be helpful for testing, design and optimization of fatigue-resistant spot welds. BY S. ZHANG Posted 11/99 Microstructural analysis of welds made at different gravity levels reveal changes in the narrow band of fine equiaxed grains along the fusion zone. BY D. K. AIDUN AND J. P. DEAN Posted 11/99 The directivity of ultrasonic waves is investigated. BY Y. H. NAM Posted 11/99 A model for heterogeneous nucleation along the fusion boundary is proposed. BY T. W. NELSON, J. C. LIPPOLD AND M. J. MILLS Posted 11/99 A new method to determine the constitutive behavior for all of the materials comprising a weld is described. BY A. P. REYNOLDS AND F. DUVALL Posted 11/99 Surface oxidation enhances the absorption of laser energy significantly and has little influence on the mechanical properties of laser welds. BY J. XIE AND A. KAR Posted 11/99 A variety of electrodes were subjected to atmospheric exposure tests to determine their susceptibility to moisture absorption. BY D. D. HARWIG, D. P. LONGENECKER AND J. H. CRUZ Posted 11/99 A method for detecting flaws in automatic, constant-voltage gas metal arc welding using the process current and voltage signals was developed. BY T. P. QUINN, C. SMITH, C. N. McCOWAN, E. BLACHOWIAK AND R. B. MADIGAN Posted 11/99 A two-stage diffusion process resulted in greatly improved weld strength. BY M. S. YEH, Y. H. TSENG AND T. H. CHUANG Posted 11/99 Strength measurement of spot welds depends on both weld quality and testing specimens. BY M. ZHOU, S. J. HU AND H. ZHANG Posted 11/99
|