WJ Supplements - Page 3

 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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  • Model Equation for Predicting the Tensile Strength of Resistance-Brazed Joints
    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

  • Prediction and Optimization of Weld Bead Volume for the Submerged Arc Process—Part 1
    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

  • Hydrogen Control in Steel Weld Metal by Means of Fluoride Additions in Welding Flux
    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

  • Microhardness Variations in HSLA-100 Welds Fabricated with New Ultra-Low-Carbon Weld Consumables
    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

  • Nature and Evolution of the Fusion Boundary in Ferritic-Austenitic Dissimilar Metal Welds ‹ Part 2: On-Cooling Transformations
    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

  • Prediction and Optimization of Weld Bead Volume for the Submerged Arc Process—Part 2
    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

  • Simulated Weld Pools Containing a Surface-Active Agent
    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

  • Structural Characterization of C-Mn Steel Laser Beam Welded Joints with Powder Filler Metal
    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

  • A New Ferritic-Martensitic Stainless Steel Constitution Diagram
    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

  • A Martensite Boundary on the WRC-1992 Diagram—Part 2: The Effect of Manganese
    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 Stress-Relief Cracking Susceptibility of a New Ferritic Steel—Part 1: Single-Pass Heat- Affected Zone Simulations
    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

  • Control for Weld Penetration in VPPAW of Aluminum Alloys Using the Front Weld Pool Image Signal
    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

  • Partially Melted Zone in Aluminum Welds: Solute Segregation and Mechanical Behavior
    The liquated material solidifies with severe segregation into a low-strength, low-ductility structure consisting of a solute-depleted ductile phase and a solute-rich brittle eutectic. BY C. HUANG AND S. KOU
    Posted 7/01

  • The Statistical Models for Estimating the Amount of Spatter in the Short Circuit Transfer Mode of GMAW
    A study shows the optimal model for estimating the amount of spatter when consid-ering arc extinction in short circuit transfer mode, using multiple regression analysis. BY M. J. KANG AND S. RHEE
    Posted 7/01

  • The Stress-Relief Cracking Susceptibility of a New Ferritic Steel Đ Part 2: Multiple-Pass Heat-Affected Zone Simulations
    The effect of using a multiple-pass weld procedure on the stress-relief cracking susceptibility of a new ferritic steel was investigated and compared to single-pass samples. BY J. G. NAWROCKI, J. N. DUPONT, C. V. ROBINO AND A. R. MARDER
    Posted 7/01

  • Mechanical Properties of Plasma-Hardened 5% Chromium Tool Steel Deposited by Arc Welding
    Plasma heat treatment promotes an increase in mechanical properties of deposited metal. BY L. K. LESHCHINSKIY AND S. S. SAMOTUGIN
    Posted 7/01

  • Partially Melted Zone in Aluminum Welds-- Planar and Cellular Solidification
    Liquated grain boundaries mostly resolidify with the planar mode but the cellular mode has also been observed. BY C. HUANG AND S. KOU
    Posted 7/01

  • Effects of Surface Depression on Pool Convection and Geometry in Stationary GTAW
    Arc pressure at peak duration produces deep penetration in pulsed current gas tungsten arc welding. BY S. H. KO, S. K. CHOI AND C. D. YOO
    Posted 7/01

  • A Fuzzy Logic System for Process Monitoring and Quality Evaluation in GMAW
    Monitoring weld quality in real time is proposed using voltage and current for raw data to develop graphic histograms. BY C. S. WU, T. POLTE AND D. REHFELDT
    Posted 7/01

  • Experimental Evaluation of Fe-Al Claddings in High-Temperature Sulfidizing Environments
    Assessment of Fe-Al claddings in aggressive reducing environments showed compositions with properties of weldability and high-temperature corrosion resistance. BY S. W. BANOVIC, J. N. DUPONT AND A. R. MARDER
    Posted 11/99

  • The Effects of Root Opening on Mechanical Properties, Deformation and Residual Stress of Weldments
    Mechanical properties for multipass welds are investigated and weld deformation and residual stress are simulated using finite element analysis. BY G. B. JANG, H. K. KIM AND S. S. KANG
    Posted 7/01

  • Effect of Thermal Cycling on Friction Stir Welds of 2195 Aluminum Alloy
    Postweld thermal cycling of friction stir aluminum alloy welds leads to complex microstructural evolution. BY G. OERTELT, S. S. BABU, S. A. DAVID AND E. A. KENIK
    Posted 7/01

  • Modeling Microstructure Development in Self-Shielded Flux Cored Arc Welds
    Thermodynamic and kinetic models provide insight into microstructure evolution in self-shielded flux cored arc welds. BY S. S. BABU, S. A. DAVID, AND M. A. QUINTANA
    Posted 7/01

  • Reference Materials for Weld Metal Ferrite Content: Gauge Calibration and Material Characterization
    The accuracy of FN measuring gauges was established, and reference materials showed a very low standard deviation. BY C. N. McCOWAN, T. A. SIEWERT, D. P. VIGLIOTTI AND C. M. WANG
    Posted 7/01

  • Inclusion Formation in Self-Shielded Flux Cored Arc Welds
    An investigation was made to see whether the same analytical models used to predict oxide inclusion in weld metal can also be used to predict nitride formations. BY M. A. QUINTANA, J. McLANE, S. S. BABU AND S. A. DAVID
    Posted 11/99

  • Advances in Oxygen Equivalent Equations for Predicting the Properties of Titanium Welds
    Oxygen equivalent equations were developed to improve the relationships between the factors that control strength, ductility and hardness of CP titanium welds. D. D. HARWIG, W. ITTIWATTANA AND H. CASTNER
    Posted 7/01

  • The Determination of Hydrogen Distribution in High-Strength Steel Weldments Part 1: Laser Ablation Methods
    Various methods for analyzing total hydrogen distributions in HSLA 100 welds were investigated. BY R. D. SMITH II, G. P. LANDIS, I. MAROEF, D. L. OLSON AND T. R. WILDEMAN
    Posted 7/01

  • The Determination of Hydrogen Distribution in High-Strength Steel Weldments Part 2: Opto-Electronic Diffusible Hydrogen Sensor
    A hydrogen sensor was developed that generates results in less than an hour and allows analysis to be done on the actual welded structure. BY R. D. SMITH II, D. K. BENSON, I. MAROEF, D. L. OLSON AND T. R. WILDEMAN
    Posted 7/01

  • Fatigue Strength Depending on Position of Transverse Cracks in FCAW Process
    The differences in fatigue properties of welds with surface cracks and welds with internal cracks were determined. BY H. W. LEE, S. W. KANG AND J. U. PARK
    Posted 7/01

  • A Statistical Analysis of Brazed Joint Fatigue Behavior
    Fatigue life was analyzed and a correlation was made between ultrasonic inspection data and fatigue life distribution. BY H. D. SOLOMON
    Posted 7/01

  • Precision Laser Brazing Utilizing Nonimaging Optical Concentration
    Even-joint illumination for high-quality laser brazing was attained, and the method can be tailored to part geometry. BY V. R. DAVÉ, R. W. CARPENTER, D. T. CHRISTENSEN AND J. O. MILEWSKI

  • Modified Active Control of Metal Transfer and Pulsed GMAW of Titanium
    A control method that delivers one drop per pulse transfer in a robust and repeatable manner is proposed. BY Y. M. ZHANG AND P. J. LI
    Posted 7/01

  • Welding of Martensitic Creep-Resistant Steels
    The relationship between preheat and M s temperatures was investigated. BY L. BÉRES, A. BALOGH AND W. IRMER
    Posted 7/01

  • Effect of Friction Stir Welding on Dynamic Properties of AA2024-T3 and AA7075-T7351
    Dynamic compressive flow behavior and its relation to yield stress and strain hardening were investigated. BY Y. J. CHAO, Y. WANG AND K. W. MILLER
    Posted 7/01

  • Approximate Stress Formulas for a Multiaxial Spot Weld Specimen
    The global force applied to a test specimen is related to the local stress at the spot weld. BY S. ZHANG
    Posted 7/01

  • Pore Formation during Laser Beam Welding of Die-Cast Magnesium Alloy AM60B - Mechanism and Remedy
    Controlled remelting of the fusion zone led to removal of gas bubbles, reducing porosity. BY H. ZHAO AND T. DEBROY
    Posted 7/01


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