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Wednesday, October 8, 2008 • 8:00 AM – 5:00 PM

PLENARY PRESENTATION: ADVANCES IN SOUTH AMERICA
Room: S225
8:00 AM – 9:00 AM Advances in Welding in South America: Trends in Research and Development Antonio Ramerez, Ph.D., Electron Microscopy Laboratory, Brazilian Synchrotron Light Laboratory

1. 9:00 AM Research Needs in Materials and Welding in the Coal and Nuclear Power Generation Industry by John DuPont, Lehigh University, Bethlehem, PA
2. 9:30 AM Pipeline Welding Challenges in the Oil and Gas Industry by Jonathan Regina, Dan Lillig, Geoff Dunn, Brian Newbury, and Mark Crawford, ExxonMobil Development Company Materials and Corrosion, Houston, TX
3. 10:00 AM Welding Guidelines for Oil, Refinery, Chemical and Gas Industries by Dong S. Kim, Materials, Corrosion and Integrity, Shell Global Solutions, Houston, TX
4. 10:30 AM Welding Research at ExxonMobil by Doug Fairchild, A. Kumar, and W. Cheng, ExxonMobil Upstream Research Company, Houston, TX
5. 11:00 AM Panel Discussion

1. 8:00 AM Development of a Ni-Cu Consumable for Reduction of Hexavalent-Cr Emissions during Stainless Steel Welding by Jeffrey W. Sowards, Boian T. Alexandrov, Dong Liang, Gerald S. Frankel and John C. Lippold, The Ohio State University, Columbus, OH
2. 8:30 AM Influence of TiC Additions on the Microstructure, Corrosion Resistance, and Hydrogen Cracking Susceptibility of Fe-Al-Cr Weld Overlay Coatings by Kenneth D. Adams and John N. DuPont, Lehigh University, Bethlehem, PA
3. 9:00 AM Mircostructural Evolution and Mechanical Properties of a New High Strength Steel for Defense Applications by Jeffrey Farren and John N. DuPont, Lehigh University, Bethlehem, PA
4. 9:30 AM Electro-Slag Cladding with Hardfacing Wire Electrodes Using Twin Wire Gun by Rghvendra Mohan Srivastava and Dr. R.V. Kumar, University of Cambridge, Cambridge, United Kingdom, and Dr. Dorival Tecco, Welding Alloys Ltd., Fowlmre, United Kingdom
5. 10:00 AM Automated Stellite Overlay with Advanced TIG Process: How to improve quality without compromising the process efficiency? by Laurent Rimano, Air Liquide Canada, Inc., Montreal, Canada
6. 10:30 AM Effects of Ga-Al, Ga-Ag on Wettability of Sn-9Zn-X-Y Lead-free Solders by Xue Songbai, Wang Hui, Han Zongjie and Wang Jianxin, Nanjing University of Aeronautics and Astronautics, Nanjing, China

1. 8:00 AM Pulsed Electron Beam Welding of Stainless Steel: Initial Studies by Patrick W. Hochanadel, Douglas D. Kautz, Jesse N. Martinez, Nathaniel G. Dozhier and Paul Burgardt, Los Alamos National Laboratory, Los Alamos, NM
2. 8:30 AM Melting Efficiency in Ni Base Alloys by John DuPont and Tim Anderson, Lehigh University, Bethlehem, PA
3. 9:00 AM EB Welding in the European and Asian Automotive Industry by Guenther Schubert, PTR-Precision Technologies, Inc., Enfield, CT, and Klaus-Rainer Schultze, PTR Prazisiontecknik GmbH, Maintal-Doernigheim, Germany
4. 9:30 AM EB Welding Trends for Gas Turbine Components: New Parts Manufacturing & Component Repair Applications by John Rugh, PTR-Precision Technologies, Inc., Enfield, CT
5. 10:00 AM Manufacturing Advantages for Airframe Structures Using Electron Beam Welding/Free Form Fabrication by Kenn Lachenberg and S.D. Stecker, Sciaky, Inc., Chicago, IL

1. 1:30 PM Modeling and Optimization of Induction Brazing Process: Induction Brazing WC/SS420 Joint Using Bag-22 by Di-Shyang Chou, National Taiwan University of Science and Technology, Taipei, Taiwan, Chon L. Tsai, The Ohio State University, Columbus, OH, and John Tsai, National Taiwan University of Science and Technology, Taipei, Taiwan
2. 2:00 PM Capturing Numerical Models and Experiments with Closed From Expressions: Data mining techniques help discover scaling laws in complex problems by Patricio F. Mendez, Colorado School of Mines, Golden, CO
3. 2:30 PM Optimization of GMAW Welding Parameters in Duplex Stainless Steel Welds: Modeling and Measurements by Carolina Payares-Asprino, Universidad Simon Bolivar, Caracas, Venezuela, and John P.H. Steele, Colorodo School of Mines, Golden, CO
4. 3:00 PM Modeling of Weld Penetration at High Productivity GTAW by Ustün Duman and Patricio F. Mendez, Colorado School of Mines, Golden, CO
5. 3:30 PM Model Predictive Control of Plasma Pipe Welding Process by Kun Qian, YuMing Zhang, and Jinsong Chen, Center for Manufacturing, Dept. of ECE, Lexington, KY
6. 4:00 PM Mathematical Modeling of Weld Bead Profile Shapes: Modeling and Measurements by John P.H. Steele, Colorado School of Mines, Golden, CO, and Carolina Payares-Asprino, Universidad Simon Bolivar, Caracas, Venezuela

1. 1:30 PM Behavior of Dissimilar Alloy & Strength Stainless Welds by Gerald A. Knorovsky, Sandia National Laboratories, Albuquerque, NM, and Rick Cottrell, Honeywell Federal Manufacturing & Technologies, Kansas City, MO
2. 2:00 PM Suppression of the Spiking Defect in Single-Mode Fiber Laser Welds: Sinusoidal laser power modulation can prevent weld penetration variation by Dave F. Farson, Matt Reiter, Katherine Mantkowski and Chuck Violand, The Ohio State University, Columbus, OH
3. 2:30 PM Energy Absorption in Pulsed Laser Welding by Charles V. Robino and Jerome T. Norris, Sandia National Laboratories Albuquerque, NM
4. 3:00 PM Laser Triggered Nanoscale Electrical Discharges for Materials Processing: Controlled electrical arcs at scanning nanoprobe tips are used for sub-microscale surface melting by Dave F. Farson, Stan Rokhlin, Jian Chen, and Ningyu Wang, The Ohio State University, Columbus, OH
5. 3:30 PM Prediction of Surface-Active Elements for Exotic Metal Systems Under Welding Conditions by Erik M. Lord, Dr. David L. Olson, and Dr. Stephen Liu, Colorado School of Mines, Golden, CO
6. 4:00 PM Effect of Base Metal Residual Stress on Distortion Control in Laser Beam Welding: Study and utilize the reciprocal effect of two competitive stresses, i.e., base metal cold-working stress and welding residual stress, to control the distortion in precision laser beam welding process by Li-Jen Liu, Kuang-Hua Hou, and Chi-Te Li, Chang Gung University, Tao-Yuan County, Taiwan

1. 1:30 PM Effect of Weld Joint in Boiler Tube Failure During the Explosive Cleaning Practice: Weld joint and base material characterization and the effect of carbides during boiler tube cleaning by Juan Carlos Madeni, Stephen Liu, Vilem Petr, Collin Trickel, and David Olson, Colorado School of Mines, Golden, CO
2. 2:00 PM PM Evaluating the Strength of Welded T-Joints: Comparing Experimental and Analytical Approaches by David J. Eby, Exponent, Farrington Hills, MI
3. 2:30 PM Incorporating Residual Stress in the FFS Fracture Assessment Procedure: Fitness-for-Service Assessment of Welded Pressure Vessels by Ben N. Lee, Det Norske Veritas (USA) Inc., Houston, TX, Dong S. Kim, Shell Global Solutions (US) Inc., Houston, TX, and Chon L. Tsai, The Ohio State University, Columbus, OH
4. 3:00 PM Application of Master S-N Curve Approach for Weld Fatigue: Generating data for weld fatigue life prediction by Dean Flynn and W. John Evans, Swansea University, Swansea, United Kingdom, Yi Gao, Corus Automotive, Corus Group Limited, Coventry, United Kingdom, and David Panni, J.C. Bamford Excavators, Rocester, United Kingdom