30 The Cat Way — Building One Trike at a Time A Florida manufacturer depends on welding to fabricate its unique recumbent trikes (low-to- ground tricycles) — M. Gomez *36 From the Lab to Your Driveway: Aluminum Tailor Welded Blanks To meet impending fuel economy mandates, auto makers are turning more and more to aluminum G. A. Kunkel and Y. Hovanski 40 Rethinking Football Goal Post Manufacturing A small four-person operation specializing in sports construction equipment has grown into a 100-employee operation as the interest in sporting events continues to expand — C. Wood CONTENTS AUGUST 2016 / WELDING JOURNAL 3 WELDING RESEARCH SUPPLEMENT 273s Effect of ArCO2 Gas Blends on Droplet Temperature in GMAW Higher concentrations of CO2 in an argon-CO2 mix do not appear to change the shape of the temperature curve — C. McIntosh et al. *280s Evolution of WeldingFume Aerosols with Time and Distance from the Source Number size and particle mass distributions were measured from welding fumes generated near the arc (30 cm) and farther from the arc (200 cm) to assess the degree of welder exposure — L. G. Cena et al. 286s Projection Welding with Pneumatic and Servo mechanical Electrode Operating Force Systems A comparative analysis of the systems was performed using finite element calculations and destructive and nondestructive testing of the welds — Z. Mikno 300s UltraNarrowGroove Laser Welding for Heavy Sections in ITER Defect-free welds were made on 60-mm-thick stainless steel plates using a wire-fed fiber laser S. K. Wu et al. 309s Temperature and Stress Simulation of the Hardfacing for Cr5Mo1VRE Alloy Experimental results indicate the computational temperature field and stress field agree well for the alloys — J. Yang et al. August 2016 • Volume 95 • Number 8 FEATURES 30 74 84 80 THE AMERICAN WELDER 74 Reporting for Duty as an Army Welder A Soldier tells his story how the military exposed him to welding and how it has now become his passion — C. C. Wheeler 80 Using Technology to Help You Teach Online instruction, computerized welding machines, and virtual reality simulated welding are all technologies that drive modern welding instruction J. McIntosh 84 Antispatter Compound Helps Extend Consumable Life Reducing excess spatter buildup in the nozzle can minimize the risk of porosity and restricted gas flow, as well as extend contact tip life A. Marchand
Welding Journal | August 2016
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