Departments Editorial ............................4 Press Time News ..................6 International Update ..............8 News of the Industry ............10 Business Briefs ..................14 Stainless Q&A ....................20 RWMA Q&A ......................22 Product & Print Spotlight ......28 Coming Events....................64 Certification Schedule ..........68 Conferences ......................70 Welding Workbook ..............72 Society News ....................75 Tech Topics ......................77 Guide to AWS Services ........95 Personnel ........................96 Classifieds ......................102 Advertiser Index ................104 WELDING JOURNAL 3 CONTENTS Features 38 Spot Welding Different Sheet Metal Grades and Gauges Ways to improve the cross-tension strength of spot welds in high-strength steel are examined E. Biro et al. 44 FABTECH 2013 Experience the highlights of this largest-ever exhibition A. Cullison et al. 52 What Is the Best Method for Preheating 4130? Three different methods of preheating are compared and evaluated J. Walker et al. 58 In-Line Inspection of Resistance Spot Welds for Sheet Metal Assembly A real-time ultrasonic monitoring system is used to track expulsion events, electrode life, and quality problems R. Gr. Maev et al. Welding Journal (ISSN 0043-2296) is published monthly by the American Welding Society for $120.00 per year in the United States and possessions, $160 per year in foreign countries: $7.50 per single issue for domestic AWS members and $10.00 per single issue for nonmembers and $14.00 single issue for international. American Welding Society is located at 8669 NW 36th St., # 130, Miami, FL 33166-6672; telephone (305) 443-9353. Periodicals postage paid in Miami, Fla., and additional mailing offices. POSTMASTER: Send address changes to Welding Journal, 8669 NW 36th St., # 130, Miami, FL 33166-6672. Canada Post: Publications Mail Agreement #40612608 Canada Returns to be sent to Bleuchip International, P.O. Box 25542, London, ON N6C 6B2, Canada. Readers of Welding Journal may make copies of articles for personal, archival, educational or research purposes, and which are not for sale or resale. Permission is granted to quote from articles, provided customary acknowledgment of authors and sources is made. Starred (*) items excluded from copyright. Welding Research Supplement 52 1-s Visualization of Gas Flows in Welding Arcs by the Schlieren Measuring Technique Optical analysis of gas flow is simplified with the Schlieren method E. Siewert et al. 6-s Wettability by Liquid Metals, Metalization, and Brazing of Barium Titanate Ceramics A detailed investigation is conducted on the wettability, adhesion, and interaction of perovskite-type ceramics T. V. Sydorenko et al. 15-s Characterization of High-Strength Weld Metal Containing Mg-Bearing Inclusions A novel flux cored electrode formulation produces a tensile strength of 825 MPa without the addition of titanium or the formation of acicular ferrite A. P. Gerlich et al. 23-s Weldability of Niobium-Containing High-Strength Steel for Pipelines The investigation of high-strength Nb-containing steels reveals an absence of HAZ cold cracking I. I. Frantov et al. 44 38 January 2014 • Volume 93 • Number 1 AWS website www.aws.org
Welding Journal | January 2014
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