32 Forgotten Thermal Spray Automotive Applications The auto industry relied on thermal spray for some unique applications in the 1950s — J. Weber 36 Optimizing Robotic Welding with the Right GMAW Gun Type and thickness of material, length of the weld, and required amperage are all factors to be determined in the selection of a robotic welding gun — A. Marchand 40 Thermal Spray: An Ally of 3D Printing Additive manufacturing can combine with thermal spraying to efficiently produce parts — P. Foy and D. Moody 44 GMAW Gun Troubleshooting Get the answers to hands-on problems that might be encountered with welding guns — I. Datta CONTENTS 40 44 THE AMERICAN WELDER 88 AUGUST 2015 / WELDING JOURNAL 3 WELDING RESEARCH SUPPLEMENT 241-s New Brazing Recipe for Ductile Niobium-316L Stainless Steel Joints Producing transition joints free of brittle intermetallic compounds is shown to be possible A. Kumar et al. 250-s 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 D. K. Hodgson et al. 257-s 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 — A. Stern et al. 265-s 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 M. Sen et al. August 2015 • Volume 94 • Number 8 FEATURES 32 36 84 84 Exploring Welding through Pinterest See how social media can be used to bring out the best in your company and welding — M. Gomez 88 Old Dog, New Tricks Introducing new technology to the welding classroom is proving wrong the adage about teaching old dogs new tricks — G. Siepert and J. MCIntosh
Welding Journal | August 2015
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