*46 Six Things to Consider before Purchasing Ambient Fume Collection Equipment Take a look at some common misconceptions before making your buying decision — K. Wear 48 Keeping Inspection Technology in Pace with WeldIndustry Advancements The evolution of inspection technology must keep in line with advances in welding technology W. Habermann 52 Safety Tips for Weld Prep in Pipe Fabrication Proper surface preparation is critical in pipeline welding, but so are the safety factors in obtaining that proper surface — D. Jescovitch CONTENTS 48 NOVEMBER 2015 / WELDING JOURNAL 3 52 BRAZING & SOLDERING TODAY WELDING RESEARCH SUPPLEMENT 343s Disaggregated Metal and Carbide Catchment Efficiencies in Laser Cladding of NickelTungsten Carbide Cladding with a CO2 laser system was tested for the effects of power, powder feed rate, and travel speed G. Wood and P. F. Mendez 351s Properties of SiliconAdded, IronBased, SlagFree, SelfShielded FluxCored Wire Silicon addition to the composition proved beneficial in improving wear resistance — D. S. Liu and P. Wei 358s 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 J. Yang et al. November 2015 • Volume 94 • Number 11 FEATURES 46 62 68 56 Reliability Analysis of PininHole Solder Joints Through-hole solder joints on a printed wiring assembly were evaluated for reliability P. T. Vianco and M. K. Neilsen 62 SilverFree Filler Metals Meet Strength Requirements in Brazed Joints Silver-free filler metals were analyzed on spreading area, joint strength, and microstructure J. T. Marchal et al. 68 Aim for Small, Concave Braze Fillets This discussion explains what a braze fillet should look like and what to look for in inspecting it D. Kay
Welding Journal | November 2015
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