Research Papers - 2015

Research Papers - 2015

Research Papers posted are available in PDF format ONLY. You will need Adobe Acrobat Reader to view the PDF version of the document.

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• Laser-Assisted GMAW Hardfacing
  The influence of a laser preheated wire on deposition characteristics was investigated.
  by Y. Ali et al.
  Published 12/2015
• A Simple Index for Predicting the Susceptibility to Solidification Cracking
  A method for predicting solidification cracking in Al-Mg alloys is proposed.
  by S. Kou
  Published 12/2015
• The Use of Virtual Welding Simulators to Evaluate Experienced Welders
  A virtual reality simulator was assessed as to whether it is an effective tool to determine the skill level of an experienced welder.
  by A. P. Byrd et al.
  Published 12/2015
• Analysis of the Flux Consumption and Metal Transfer for Tandem Submerged Arc Welding Process under Iso-Heat Input Conditions
  The relationship of flux consumption, transfer mode, and weld bead shape was analyzed.
  by D.W. Cho et al.
  Published 12/2015

• Disaggregated Metal and Carbide Catchment Efficiencies in Laser Cladding of Nickel-Tungsten Carbide
  Cladding with a CO₂ laser system was tested for the effects of power, powder feed rate, and travel speed.
  by G. Wood and P. F. Mendez
  Published 11/2015
• Properties of Silicon-Added, Iron-Based, Slag-Free, Self-Shielded Flux-Cored Wire
  Silicon addition to the composition proved beneficial in improving wear resistance.
  by D. S. Liu and P. Wei
  Published 11/2015
• Effect of FCAW Current on the Hardfacing Layer – Microstructure and Wear Resistance
  Different welding currents were used to deposit hardfacing layers to determine which gave the optimum increase in hardness and wear resistance.
  by J. Yang et al.
  Published 11/2015

• The Effect of Ar and N₂ Shielding Gas on Laser Weld Porosity in Steel, Stainless Steels, and Nickel
  Experiments were performed to evaluate the influence of nitrogen in the shielding gas for eliminating porosity.
  by J. W. Elmer et al.
  Published 10/2015
• High-Speed Video of Metal Transfer in Submerged Arc Welding
  A unique method of capturing images of metal transfer in submerged arc welding was devised to better understand the process.
  by P. F. Mendez et al.
  Published 10/2015
• Effect of Filler Metal on Mechanical Properties of HSLA Welds
  Filler metal composition played a significant role in the successful submerged arc welding of high-strength pipe.
  by B. Beidokhti and R. Pouriamanesh
  Published 10/2015

• Keyhole Behaviors Influence Weld Defects in Plasma Arc Welding Process
  An image capture system was used to observe the front and backside of keyhole behavior to better evaluate its influence on weld quality.
  by Z. M. Liu et al.
  Published 09/2015
• Friction Stir Welding of Aluminum Alloy AA5052 and HSLA Steel
  This investigation of friction stir welding shows it to be a potential candidate for successfully joining aluminum and high-strength steel.
  by K. K. Ramachandran et al.
  Published 09/2015
• Predicting Weld Bead Geometry in the Novel CWGMAW Process
  An analysis of a novel gas metal arc process that introduces a cold wire into the weld pool demonstrated bead geometry could be predicted with good accuracy.
  by R. A. Ribeiro et al.
  Published 09/2015

• New Brazing Recipe for Ductile Niobium-316L Stainless Steel Joints
  Producing transition joints free of brittle intermetallic compounds is shown to be possible.
  by A. Kumar et al.
  Published 08/2015
• Transformation and Tempering Behavior of the Heat-Affected Zone of 2.25Cr-1Mo Steel
  An investigation was undertaken to understand the cause of mechanical variations in the weld and HAZ from different tempering and austenization treatments.
  by D. K. Hodgson et al.
  Published 08/2015
• Jet Composition in Magnetic Pulse Welding: Al-Al and Al-Mg Couples
  The composition of the jet emission from magnetic pulse welding was analyzed for joining both similar and dissimilar metals in a lap joint.
  by A. Stern et al.
  Published 08/2015
• Evaluation of Correlations between DP-GMAW Process Parameters and Bead Geometry
  Statistical methods were used to evaluate the correlations between the double-pulsed gas metal arc process and various operating parameters.
  by M. Sen et al.
  Published 08/2015

• Wetting Behavior of Silver Braze Alloys onto Metallized Zirconia Inserts
  An investigation was made to find a strong metal-ceramic interface for drill bit inserts.
  by J. C. Pereira et al.
  Published 07/2015
• Solid-State Dissimilar Joining of Ti-Fe with Nb and Cu Interlayers
  The use of interlayers was found to be effective in diminishing intermetallic compounds along the interface of a titanium and steel joint.
  by B. Liu et al.
  Published 07/2015
• Physical-Chemical Interaction in NiAl-MeB₂ Systems Intended for Tribological Applications
  A strengthening refractory phase was introduced into the metallide NiAl to increase deformation resistance and hardness at high temperatures.
  by O. Umanskyi et al.
  Published 07/2015
• Nonlinear Modeling for 3D Weld Pool Characteristic Parameters in GTAW
  A model to predict weld pool convexity was developed and analyzed.
  by Y. K. Liu et al.
  Published 07/2015

• Ultrasonic Soldering Aluminum at Low Temperature
  Tin-based solder with zinc additions improved the properties of aluminum alloy joints.
  by W. B. Guo, X. S. Leng, J. C. Yan, and Y. M. Tan
  Published 06/2015
• Control of Keyhole Exit Position in Plasma Arc Welding Process
  Controllable parameters of keyhole behavior were studied in the welding of stainless steel plate.
  by Z. M. Liu et al.
  Published 06/2015
• Welding Metallurgy of Dissimilar AISI 430/DQSK Steels Resistance Spot Welds
  Research was conducted to evaluate the microstructural and mechanical performance of resistance spots welds.
  by M. Pouranvari et al.
  Published 06/2015

• Creep Rupture Performance of Welds of P91 Pipe Steel
  Aluminum content in the fusion zone of creep-resistant steel was the focus of this investigation.
  by X. Chai et al.
  Published 05/2015
• Stability of the Cross-Arc Process - A Preliminary Study
  A modified gas tungsten arc welding process where two wires are charged by a second power supply is proposed to increase deposition speed.
  by S. J. Chen et al.
  Published 05/2015
• Competitive Wetting in Active Brazes
  The molecular dynamics of different brazing alloys were studied for their wetting characteristics.
  by M. Chandross
  Published 05/2015
• Laser-Vision-Based Measurement and Analysis of Weld Pool Oscillation Frequency in GTAW-P
  An innovative sensing method is used to measure weld pool oscillation frequency, which is associated with weld penetration.
  by Y. Shi et al.
  Published 05/2015

• Influence of Gas Mixtures in GMAW of Modified 409M Ferritic Stainless Steel
  Details are given on the effects shielding gas mixtures have on bead geometry, microstructure, and mechanical properties.
  by M. Mukherjee et al.
  Published 04/2015
• Analytical Modeling of the Friction Stir Welding Process Using Different Pin Profiles
  An analytic model is developed for heat generation from using different pin configurations.
  by V. S. Gadakh et al.
  Published 04/2015
• Controlling 3D Weld Pool Surface by Adjusting Welding Speed
  An augmented training system uses a machine algorithm to calculate the optimal welding speed for an untrained welder to follow.
  by Y. K. Liu and Y. M. Zhang
  Published 04/2015
• Fusion Zone Microstructure and Geometry in Complete-Joint-Penetration Laser-Arc Hybrid Welding of Low-Alloy Steel
  Weld geometry and cooling rates with a laser-arc hybrid process were investigated both experimentally and theoretically.
  by H. L. Wei et al.
  Published 04/2015

• Interfacial Microstructure of Laser Brazed AZ31B Magnesium to Sn Plated Steel Sheet
  This research seeks to make the joining of magnesium alloys to steel sheet easier and more reliable.
  by A. M. Nasiri et al.
  Published 03/2015
• Mitigation of Root Defect in Laser and Hybrid Laser-Arc Welding
  A model was developed to predict root defects when using laser and hybrid-laser processes.
  by J. J. Blecher et al.
  Published 03/2015
• Carburization Phenomenon of ENiCrFe-7 Nickel-Based Alloy Covered Electrode
  A search is made to find the factors that influence carbon transfer from the flux of covered electrodes into the weld metal.
  by R. Qin and G. He
  Published 03/2015
• Ventilation of Automated Metal Cutting Tables
  A better understanding of airflow dynamics helps determine potential pollutant leaks into the workshop.
  by R. Braconnier
  Published 03/2015

• Interfacial Temperature Profiles in Simulated Resistance Spot Welding of Bare and Zinc-Coated Steel
  Infrared emissions were monitored to better understand temperature profiles in resistance spot welding.
  by E. Kim and T. W. Eagar
  Published 02/2015
• A New Method for Corrosion Fatigue Testing of Weld Cladding Waterwall Coatings
  An experimental method was developed to characterize the fatigue corrosion stresses a Ni-based cladding undergoes in a coal-fired boiler.
  by A. W. Stockdale et al.
  Published 02/2015
• Nitrogen Effect on the Microstructure and Mechanical Properties of Nickel Alloys
  The microstructure of nickel alloy welds that had been subjected to a nitrogen addition in an argon shielding gas was examined.
  by B. Nabavi et al.
  Published 02/2015

• Primary Chromium Carbide Fraction Control with Variable Polarity SAW
  The effect of the fraction of time in electrode positive was examined for AC hardfacing with chromium-carbide alloys.
  by S. D. Borle et al.
  Published 01/2015
• Preliminary Investigation on Real-Time Induction Heating-Assisted Underwater Wet Welding
  A unique induction heating-assisted underwater wet welding process was investigated.
  by H. T. Zhang et al.
  Published 01/2015
• Gas Metal Arc Welding of Magnesium Alloys: Oxide Films, High Crowns, and Fingers
  Gas metal arc welding using controlled short circuiting was studied as a means of limiting porosity in joining magnesium.
  by X. Chai et al.
  Published 01/2015