WJ Supplements - 2004

RESEARCH PAPERS

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  • Grain Boundary Character in Alloy 690 and Ductility-Dip Cracking Susceptibility
    Lattice, grain boundaries have a pronounced effect on material susceptibility to ductility-dip cracking.
    BY V. R. Dave et al.
    Published January 2004
  • The Influence of Microstructure on Fatigue Crack Propagation Behavior of Stainless Steel Weld
    Fatigue tests showed that large grain sizes produced relatively rough fracture surfaces with improved fatigue resistance.
    BY C. S. Kusko et al.
    Published January 2004
  • Joining of Aluminum Alloy 5052 and Low-Carbon Steel by Laser Roll Welding
    A combination of laser heating and roll welding were used to join aluminum Alloy 5052 and low-carbon steel.
    BY M. J. Rathod and M. Kutsuna
    Published January 2004
  • Penetrator Formation Mechanisms during High-Frequency Electric Resistance Welding
    In a study to identify the cause of a weld defect in steel pipe manufacture, standard deviation of the travel distance appeared to have a strong relationship to defect density.
    BY J.-H. Choi et al.
    Published January 2004
  • Flaw Tolerance in Lap Shear Brazed Joints - Part 1
    A study was conducted to better understand the failure mechanism in brazed joints containing defects.
    BY Y. Flom and L. Wang
    Published January 2004

  • An Investigation of Ductility-Dip Cracking in Nickel-Based Weld Metals - Part III
    High-resolution scanning electron microscopy and electron backscattered diffraction are used to gain insight into elevated-temperature ductility in welded Ni-based alloys.
    BY M. G. Collins et al.
    Published February 2004
  • Liquation Cracking in Full-Penetration AI-Cu Welds
    Alloy 2219 was used as a tool to better understand the effect of weld-metal solute content on liquation cracking.
    BY C. Huang and S. Kou
    Published February 2004
  • Influence of Stress Ratio on Fatigue Crack Propagation Behavior of Stainless Steel Welds
    Crack closure measurements were used to help explain the relationship between crack growth rate and increased stress ratio.
    BY C. S. Kusko et al.
    Published February 2004
  • Single-Pass Laser Beam Welding of Clad Steel Plate
    The possibility of making sound welds with satisfactory dilution was investigated using laser beam welding with a stainless steel filler metal.
    BY S. Missori et al.
    Published February 2004

  • Activated Diffusion Brazing Technology for Manufacture of Titanium Honeycomb Structures - A Statistical Study
    Tests conducted under various conditions with a proprietary brazing foil established optimum process variables.
    BY X. Huang and N. L. Richards
    Published March 2004
  • Analytical Approximate Solution for Double Ellipsodial Heat Source in Finite Thick Plate
    Theoretical analysis of the heat source can be an effective tool in predicting problems associated with thermal stress in thick-plate welds.
    BY N.T. Nguyen et al.
    Published March 2004
  • The Kinetics of Nitrogen Absorption by Arc-Melted Fe-C-Mn-Type Filler Metals
    An analytical model was developed to predict nitrogen absorption in the weld pool under various melting conditions.
    BY A. Gruszczyk
    Published March 2004
  • Prediction of the Fillet Mass and Topology of Aluminum Brazed Joints
    The acceptability of brazed joints in aluminum heat exchanges was evaluated through predictive modeling and empirical input.
    BY D. P. Sekulic tl al.
    Published March 2004

  • Liquation Cracking in Full-Penetration AI-Mg-Si Welds
    A high fraction solid in the weld metal during solidification is observed as a condition for cracking to occur.
    BY C. Huang and S. Kou
    Published April 2004
  • Expulsion Prediction in Resistance Spot Welding
    A model for expulsion prediction considers the mechanical and metallurgical interaction during nugget formation.
    BY J. Senkara et al.
    Published April 2004
  • Cohesive-Zone Modeling of the Deformation and Fracture of Weld-Bonded Joints
    Separate models for spot welding and adhesive bonding were combined without modification to predict behavior of the weld-bonding process.
    BY M. N. Cavalli et al.
    Published April 2004
  • Mechanical Modeling of Ultrasonic Welding
    Ultrasonic welding is used for rapid prototypings.
    BY C. Doumanidis and Y. Gao
    Published April 2004

  • The Influence of Various Hybrid Welding Parameters on Bead Geometry
    An investigation was made to find the optimum energy interaction between laser beam and gas metal arc welding processes.
    BY M. El Rayes et al.
    Published May 2004
  • Development and Evaluation of an In-Situ Beam Measurement for Spot Welding Lasers
    KaptonĀ® film is studied to determine its accuracy in the measurement of spot diameter at the focal plane.
    BY P. W. Fuerschbach et al.
    Published May 2004
  • Microstructure-Property Relationships in HAZ of New 13% Cr Martensitic Stainless Steels
    Using a weld simulation technique, a relationship between thermal characteristics and the heat-affected zone was evaluated.
    BY O. M. Akselsen et al.
    Published May 2004

  • Three-Dimensional Simulation of Transient GMA Weld Pool with Free Surface
    A 3-D transient thermo-fluid model was used to simulate bead-on-plate and T-joints.
    BY Z. Cao et al.
    Published June 2004
  • Plasticity-Based Distortion Analysis for Fillet Welded Thin-Plate T-joints
    In this study, plasticity-based distortion analysis successfully predicted total angular distortion.
    BY G. H. Jung and C. L. Tsai
    Published June 2004
  • Resistance Spot Welding of Aluminum Alloy to Steel with Transition Material -- From Process to Performance - Part I: Experimental Study
    A cold-rolled steel was used as a transition material between aluminum and steel for these resistance spot welding experiments.
    BY X. Sun et al.
    Published June 2004

  • Resistance Spot Welding of Aluminum Alloy to Steel with Transition Material - Part II: Finite Element Analyses of Nugget Growth
    A cold-rolled transitional material was used to assist in the resistance welding of aluminum to steel.
    BY X. Sun and M. A. Khaleel
    Published July 2004
  • An Investigation on the Effects of Gases in GTA Welding of a Wrought AZ80 Magnesium Alloy
    Various gases, some enriched with hydrogen, were tested to determine if penetration could be increased.
    BY M. Marya et al.
    Published July 2004
  • Fundamental Studies on the Effect of Distortion Control Plans on Angular Distortion in Fillet Welded T-Joints
    Techniques were tested to control cumulative plastic strain.
    BY G. H. Jung and C. L. Tsai
    Published July 2004

  • 'Kissing Bond' Phenomena in Solid-State Welds of Aluminum Alloys
    Three solid-state joining processes and quality problems analogous to kissing bond formation when joining aluminum were investigated.
    BY A. Oosterkamp et al.
    Published August 2004
  • 'Metallurgical Characterization of a Friction Welded Aluminum Alloy Subjected to an External Electrostatic Field
    A study was made of the dynamic recrystallization and the related microstructure of a friction welded aluminum alloy under an electrostatic field
    BY L. Fu and S. G. Du
    Published August 2004

  • Reliability of Weld Microstructure and Property Calculations
    The 2004 AWS Adams Lecture explored whether experimentation is required when developing consumables for new steels, or if modeling is sufficient.
    BY H. K. D. H. Bhadeshia.
    Published September 2004
  • Direct Observations of Austenite, Bainite, and Martensite Formation during Arc Welding of 1045 Steel Using Time-Resolved X-ray Diffraction
    A process for examining phase transformations in the heat-affected zone in real-time was investigated.
    BY J. W. Elmer et al.
    Published September 2004
  • Yttrium Hydrogen Trapping to Manage Hydrogen in HSLA Steel Welds
    Rare earth elements were examined as an effective means of trapping hydrogen in weld metal.
    BY C. A. Lensing et al.
    Published September 2004

  • Optimization of Shielded Metal Arc Weld Metal Composition for Charpy Toughness
    Artificial neural network models were used to predict optimum weld metal composition for maximum toughness.
    BY M. Murugananth et al.
    Published September 2004
  • Friction Stir Welding of Aluminum Alloy to Steel
    The friction stir welding process was successfully used to weld aluminum to steel.
    BY K. Kimapong and T. Watanabe
    Published October 2004
  • Flame-Focusing Modification of a Wire-Core Thermal Lance
    A nonreactive, nonmelting layer stabilized lance combustion and improved cutting steels.
    BY H. Wang et al.
    Published October 2004

  • Physical and Welding Metallurgy of Gd-Enriched Austenitic Alloys for Spent Nuclear Fuel Applications - Part I: Stainless Steel Alloys
    The physical and metallurgical characteristics of gadolinium-enriched stainless steel weld metal were investigated to determine the alley's usefulness in containing spent nuclear fuel.
    BY J. N. DuPont et al.
    Published November 2004
  • The Effect of Welding Procedure on ANSI/AWS A5.29-98 E81T1-Ni1 Flux Cored Arc Weld Metal Deposits
    Hardness, tensile, and impact tests were conducted on a nickel alloy flux cored electrode to determine its suitability as a substitute for comparable covered electrodes.
    BY H. G. Svoboda et al.
    Published November 2004 Effects of Fusion Zone Size on Failure Modes and Static Strength of Aluminum Resistance Spot Welds
    Various aluminum spot welds were investigated to determine how size might affect failure mode.
    BY X. Sun et al.
    Published November 2004

  • Physical and Welding Metallurgy of Gdenriched Austenitic Alloys for Spent Nuclear Fuel Applications - Part II Nickel-based Alloys
    Nickel-based, gadolinium-enriched alloys showed improved hot ductility and cracking resistance compared to Gd-enriched stainless steels.
    BY J. N. DuPont et al.
    Published December 2004
  • Numerical Simulation of Transient 3-D Surface Deformation of a Completely Penetrated GTA Weld
    A transient numerical model was developed to investigate the dynamic behavior of a completely penetrated GTAW joint.
    BY C. S. Wu et al.
    Published December 2004
  • Signature Analysis for Quality Monitoring in Short-Circuit GMAW
    A time-frequency analysis method was developed to identify process stability and welding quality of short-circuit GMAW.
    BY Y. X. Chu et al.
    Published December 2004