WJ Supplements - Page 7

 RESEARCH PAPERS
Research Papers posted after 12/98 are available in PDF format ONLY. You will need Adobe Acrobat Reader to view the PDF version of the document.

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  • Numerical Simulation of Inertia Friction Welding Process by Finite Element Method
    A model was developed to predict temperature evolution, stress, strain, and the final geometry of inertia friction welded parts. BY L. FU, L. Y. DUAN, AND S. G. DU
    Posted 3/03  |  Published 3/03

  • Weld Solidification and Cracking Behavior of Free-Machining Stainless Steel
    A range of alloy compositions exhibiting good resistance to solidification cracking is identified. BY J. A. BROOKS, C. V. ROBINO, T. J. HEADLEY, AND J. R. MICHAEL
    Posted 3/03  |  Published 3/03

  • Relationships between Quality and Attributes of Spot Welds
    A spot weld's strength can be determined by the geometric characteristics and mechanical properties of the weldment. BY M. ZHOU, H. ZHANG, AND S. J. HU
    Posted 4/03  |  Published 4/03

  • Fatigue Strength Improvement of Lap Joints of Thin Steel Plate Using Low- Transformation-Temperature Welding Wire
    A 150% increase in fatigue limit could be realized by inducing compressive residual stress in the as-welded condition. BY A. OHTA, K. MATSUOKA, N. T. NGUYEN, Y. MAEDA, AND N. SUZUKI
    Posted 4/03  |  Published 4/03

  • WELDING RESEARCH Weld Properties of AISI 303 Free-Machining Stainless Steel
    Tests identify the most appropriate composition ranges for strength, ductility, and welding response. BY J. A. BROOKS, S. H. GOODS, AND C. V. ROBINO
    Posted 4/03  |  Published 4/03

  • Analysis of Gamma Titanium Aluminide Welds Produced by Gas Tungsten Arc Welding
    Careful selection of GTAW parametsr is needed for successful joining of TiAl alloys. BY M. F. ARENAS AND V. L. ACOFF
    Posted 4/03  |  Published 5/03

  • A Mathematical Model of Wire Feeding Mechanisms in GMAW
    Investigations into both aluminum and steel welding wire focus on elements that contribute to poor feedability. BY T. M. PADILLA, T. P. QUINN, D. R. MUNOZ, AND R. A. L. RORRER
    Posted 4/03  |  Published 5/03

  • Influence of Welding Machine Mechanical Characteristics on the Resistance Spot Welding Process and Weld Quality
    How machine stiffness, friction, and moving mass can affect welding results. BY H. TANG, W. HOU, S. J. HU, H.Y. ZHANG, Z. FENG, AND M. KIMCHI
    Posted 4/03  |  Published 5/03

  • Characteristics of Welding and Arc Signal in Narrow Groove Gas Metal Arc Welding Using Electromagnetic Arc Oscillation
    Experiments produce optimum parameters for obtaining uniform and sufficient groove face penetration. BY Y. H. KANG AND S. J. NA
    Posted 4/03  |  Published 5/03

  • Microstructural Evolution and Weldability of Dissimilar Welds between a Super Austenitic Stainless Steel and Nickel-Based Alloys
    The influence of filler metal composition and dilution on fusion zone microstructure and solidification cracking susceptibility is evaluated for AL-6XN welded to IN622 and IN625. BY J. N. DUPONT, S. W. BANOVIC, AND A. R. MARDER
    Posted 5/03  |  Published 6/03

  • Laser Beam Weld Bonding of AA5754 for Automobile Structures
    There are benefits in both static and dynamic mechanical properties when welding is combined with adhesive bonding. BY R. W. MESSLER, JR., J. BELL, AND O. CRAIGUE
    Posted 5/03  |  Published 6/03

  • Effect of Welding Parameters and H2S Partial Pressure on the Susceptibility of Welded HSLA Steels to Sulfide Stress Cracking
    A standard controlling usage of welded high-strength, low-alloy steels in sour enviroments is assessed. BY G. M. OMWEG, G. S. FRANKEL, W. A. BRUCE, J. E. RAMIREZ, AND G. KOCH
    Posted 5/03  |  Published 6/03

  • Liquation Phenomena in the Simulated Heat- Affected Zone of Alloy 718 after Multiple Postweld Heat Treatment Cycles
    Delta-phase formation increases liquation cracking susceptibility. BY M. QIAN AND J. C. LIPPOLD
    Posted 5/03  |  Published 6/03

  • Selection of Schedules Based on Heat Balance in Resistance Spot Welding
    A theory that takes into account heat input in the fusion zone, HAZ, and electrode indention was used to develop schedules for welding combinations of uneven sheet thicknesses. BY S. AGASHE AND H. ZHANG
    Posted 6/03  |  Published 7/03

  • A Probabilistic Diffusion Weld Modeling Framework
    A probabilistic modeling framework realistically accounts for manufacturing variability and successfully models bond impact strength in Ti-6Al-4V. BY V. R. DAVÉ, I. J. BEYERLEIN, D. A. HARTMAN, AND J. M. BARBIERI
    Posted 6/03  |  Published 7/03

  • Liquation Cracking in Partial-Penetration Aluminum Welds: Effect of Penetration Oscillation and Backfilling
    Surprisingly, the papillary- (nipple-) type penetration common in aluminum welds can oscillate along the weld and promote cracking that can be difficult to eliminate with filler metals. BY C. HUANG AND S. KOU
    Posted 6/03  |  Published 7/03

  • A Proposed S-N Curve for Welded Ship Structures
    A hot-spot stress-based design S-N curve for fillet weld joints takes into account the effects of static cargo loads. BY S. W. KANG AND W. S. KIM
    Posted 6/03  |  Published 7/03

  • Experimental Study of Nugget Formation in Resistance Spot Welding
    Nugget formation mechanism and its effect on the welding process parameters are observed by using a digital high-speed camera. BY Y. CHO AND S. RHEE
    Posted 7/03  |  Published 8/03

  • Nitrogen Control during Autogenous Arc Welding of Stainless Steel ®˘ Part 1: Experimental Observations
    The influence of shielding gas nitrogen content and base metal nitrogen and sulphur concentrations on nitrogen absorption/desorption was investigated. BY M. DU TOIT AND P. C. PISTORIUS
    Posted 7/03  |  Published 8/03

  • The Relationship between Residual Stresses and Transverse Weld Cracks in Thick Steel Plate
    The relationship between longitudinal residual stresses (sx direction) and transverse weld cracks was studied for EH32 TMCP 50-mm-thick plate welded with the SAW and FCAW processes. BY H. W. LEE AND S. W. KANG
    Posted 7/03  |  Published 8/03

  • A New Approach for Fluid Flow Model in Gas Tungsten Arc Weld Pool Using Longitudinal Electromagnetic Control
    The mathematical model of body force incorporates the additional magnetic field influence in the weld pool. BY J. LUO, Q. LUO, Y. H. LIN, AND J. XUE
    Posted 7/03  |  Published 8/03

  • Fatigue Behavior of Spot Welded High-Strength Sheet Steels
    The spot weld fatigue properties of advanced automotive high-strength sheet steels were evaluated and compared to conventional sheet steels. BY R. W. RATHBUN, D. K. MATLOCK, AND J. G. SPEER
    Posted 7/03  |  Published 8/03

  • Nitrogen Control during the Autogenous Arc Welding of Stainless Steel Part 2: A Kinetic Model for Nitrogen Absorption and Desorption
    The influence of three variables on the absorption and desorption of nitrogen during welding is investigated. BY M. du TOIT AND P. C. PISTORIUS
    Posted 9/03  |  Published 9/03

  • Spatter Rate Estimation in the Short-Circuit Transfer Region of GMAW
    A study shows the optimal model for estimating spatter rate using an artificial neural network in the short circuit transfer region of GMAW. BY M. J. KANG, Y. KIM, S. AHN, AND S. RHEE
    Posted 9/03  |  Published 9/03

  • Characteristics of Distortion Generated by Welding under Static Loading
    Transverse shrinkage varies according to type of load and welding length. BY Y. C. KIM, J. U. PARK, AND I. IMOTO
    Posted 9/03  |  Published 9/03

  • A Barrier Layer Approach to Limit Ti Scavenging in FeNiCo/Ag-Cu-Ti/Al2O3 Active Braze Joints
    Molybdenum-coated spacers produced strong, hermetic joints when assembled with a brazing temperature of 850°C. BY P. T. VIANCO, J. J. STEPHENS, P. F. HLAVA, AND C. A. WALKER
    Posted 9/03  |  Published 9/03

  • An Investigation of Ductility Dip Cracking in Nickel-Based Filler Materials - Part I
    The strain-to-fracture test has been used to develop temperature-strain relationships for ductility dip cracking. BY M. G. COLLINS AND J. C. LIPPOLD
    Posted 10/03  |  Published 10/03

  • Theoretical Analysis of Welding Characteristics during Resistance Mash Seam Welding of Sheet Steels
    Surface strains and approximate thermal cycles can be easily calculated for resistance mash seam welding and used to infer joint quality. BY J. E. GOULD
    Posted 10/03  |  Published 10/03

  • Penetration and Defect Formation in High-Current Arc Welding
    At high currents, the weld pool turns into a thin liquid film, causing humping, undercutting, and fingerlike penetration. BY P. F. MENDEZ AND T. W. EAGAR
    Posted 10/03  |  Published 10/03

  • The High-Temperature Wetting Balance and the Influence of Grit Blasting on Brazing of IN718
    Different grit blasting materials and mechanical polishing were compared to determine their influence on wetting. BY H. D. SOLOMON, R. E. DELAIR, AND J. THYSSEN
    Posted 10/03  |  Published 10/03

  • Titanium Scavenging in Ag-Cu-Ti Active Braze Joints
    The scavenging mechanism was studied by brazing joints with elemental Fe, Ni, and Co spacers. BY P. T. VIANCO, J. J. STEPHENS, P. F. HLAVA, AND C. A. WALKER
    Posted 10/03  |  Published 10/03
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