*30 Measuring Laser Beam Welding Power Using the Force of Light A novel optical laser-power measurement technique improves accuracy in real time — P. Williams et al. 36 ArtPrize Sparks Creativity in Metal Sculptors One of the largest art competitions in the country has plenty of welded art on display — A. Babinski and M. R. Johnsen 44 Rethinking Tubes and Laser Welding Tubes created from sheet metal offer the tight fit needed in laser welding — B. Thompson 48 Shining Laser Light on Jewelry Design Low heat input and precision accuracy make laser welding a growing choice for jewelers — A. Babinski 54 Using a Welding Robot for SmallBatch Production A comparison study shows robotic welding can save time even for the short run — P. Berčík et al. CONTENTS 36 MARCH 2016 / WELDING JOURNAL 3 48 WELDING RESEARCH SUPPLEMENT 77s Resistance Spot Weldability of Deformed TRIP800 Steel Shear strength, button geometry, indentation, and hardness were all evaluated in the weldability of advanced high-strength steel — H. E. Emre et al. 86s Chromium Emissions during Welding in an Aluminum Shipbuilding Environment Soluble and insoluble concentrations of hexavalent chromium were studied for whether they exceeded OSHA regulatory limits — T. N. McManus et al. 93s CurrentIndependent Metal Transfer by Using Pulsed Laser Irradiation Part 1: System and Verification Pulsed laser technology is shown to control metal transfer and avoid wasting laser energy J. Xiao et al. 101s Workpiece Positioning during Magnetic Pulse Welding of AluminumSteel Joints The collision angle, collision velocity, and radial impact velocity were investigated for optimum magnetic pulse welding — A. Lorenz et al. March 2016 • Volume 95 • Number 3 FEATURES 30 44 54
Welding Journal | March 2016
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