Dale Ball has worked in the area of fatigue and fracture analysis for the past 24 years. His particular area of interest is in elastic-plastic material response and the impact that it has on fatigue crack growth. Dr. Ball is currently an LM Fellow in the area of fatigue and fracture analysis methods development at Lockheed Martin Aeronautics Company in Fort Worth Texas, where he has been for the past 19 years.
Richard Burguete was awarded his MEng (1990) and PhD (1994) by the University of Sheffield. Since 1997 he has been an engineering specialist at Airbus UK in the Experimental Mechanics group, responsible for the development and application of a variety of experimental mechanics methods including: Digital Image Correlation, Moiré methods, Fringe projection, Electronic Speckle Pattern Interferometry, Neutron and Synchrotron Diffraction, Incremental Centre Hole Drilling and other mechanical stress relaxation techniques. These methods are primarily used for the measurement of deformation and strain during major structural and minor component tests and for the determination of residual stress. He was Chairman of the British Society for Strain Measurement from September 2004 to September 2006 and is a member of the editorial board for ‘Strain’, the journal of EURASEM. He is co-chair of VAMAS TWA26 which is responsible for the development of standards in optical strain measurement. Richard also sits on a number of advisory panels and boards including the EPSRC Peer Review College. He received the Brewer award from the SEM in 2006.
John Cammett, Cam-Met Inc., is a consultant in metals processing with specialization in shot peening and other surface enhancement techniques. He served 16 years as Materials Engineer and Branch Chief, Naval Aviation Depot, Cherry Point, NC, performing analyses of aircraft component failures, development of repair/rework process methods and technical support of depot manufacturing operations. His career has also included 20 years with Metcut Research Associates, Cincinnati, OH, in fatigue, fracture mechanics, residual stress measurement, metallurgical research and failure analysis and 5 years at General Electric Aircraft Engines, Evendale, OH, specializing in fatigue, low cycle fatigue and fracture mechanics. He received his BS and MS in Metallurgical Engineering from Ohio State University and his PhD in Metallurgical Engineering from the University of Cincinnati. A Registered Professional Engineer, Dr. Cammett is a fellow of ASTM, past Chairman of Committee E-9 on Fatigue, Life Member of ASM International and past chairman of the Cincinnati Chapter, also a member of the International Scientific Committee for Shot Peening.
Jeff Christian is the Director of the Buildings Technology Center, which is a National Department of Energy user facility (BTC) located at the Oak Ridge National Laboratory. The Center’s activities span research on zero energy residential and commercial buildings, advanced appliances, moisture control in buildings, roofs, walls, and foundations, cooling, heating, and solar power integrated systems, and whole building design and performance. Jeff Christian has written more than 135 technical publications, primarily in the area of building energy efficiency. He has served as director of the Buildings Technology Center since 1997. Since 2002 Jeff has focused his research on residential building systems integration. He established a residential research park with TVA near ORNL in 1999, which, now has 9 test houses, 5 of which are all electric near Zero Energy Houses. In 2002-2005 lead a team that designed and built the 1st five near zero energy houses with Habitat for Humanity, in the Tennessee Valley Authority’s service territory. These 1100 ft2 to 2600 ft2 SIP houses have solar grid-tie and have daily total energy costs from $1.12 to $0.42. Two of these houses have geothermal. Christian has won the ORNL Science Communicator of the year award in 2002 and 2007.
Adrian T. DeWald has focused on the measurement and modeling of residual stresses and studying their effects on the mechanical performance of materials. He has published over ten technical papers on residual stress measurement and laser peening and has presented many of these at technical conferences. Dr. DeWald received a Ph.D. from the University of California in Mechanical Engineering in 2005. Following graduation, he accepted a position as Senior Engineer at Hill Engineering, LLC, a company dedicated to solving residual stress related issues for industry.
Paul A. Domas, is a Consulting Engineer at GE Aviation. He has 37 years of experience in aircraft gas turbine engine component fatigue life prediction and fracture mechanics methods development. He currently holds the position of Life Management Consulting Engineer within the GE Aviation Rotating Parts Center of Excellence. In this capacity he is a focal point for engine component life methods development planning, execution and implementation. Current work efforts include seeking increased predicted fatigue life through better understanding and greater incorporation of surface enhancement influences, and improved metal removal/surface post finish process robustness.
Roger England received a BS in Mechanical Engineering from Purdue University in 1998 and his MS in Materials Engineering from the University of Cincinnati in 2000. He is currently Assistant Chief Engineer of High Speed Diesel Engines at Cummins Mercruiser Diesel, a joint venture between Cummins Inc. and Mercury Marine based in Charleston, SC. He has authored 17 publications in the area of Materials Science. He has been a SAE local section chairman and is currently serving on the Sections Board of SAE International.
B. Lynn Ferguson, President of Deformation Control Technology, Inc., is a graduate of Drexel University where he received a B. S. in Metallurgical Engineering and M.S. and Ph.D. in Materials Engineering. His career has focused on the broad field of mechanical metallurgy, with a concentration on deformation processing. Over the last fifteen years, he has been primarily involved in simulating the heat treatment of steel parts, including prediction of distortion, residual stress, and the evolution of microstructural phases. He also has an extensive background in cold and hot powder metallurgy consolidation processes, and in-depth experience in the simulation of material behavior and response to forging and heat treatment. He has published more than 60 technical papers, co-authored one book, and been an instructor in several sponsored short courses. He is a Fellow of ASMI.
Thomas Gnaeupel-Herold is a Research Scientist at the University of Maryland, Materials Science and Engineering Department, and at the NIST Center for Neutron Research. He is responsible for residual and applied stress measurements using neutron diffraction. He studied at the universities of Chemnitz 1987-1990 and Leipzig from 1990-1992, majoring in Physics, with thesis research on Rietveld Refinement of High Temperature Superconductor Materials. During 1993-1997, he studied at the Hahn-Meitner-Institut in Berlin, and did thesis research on residual stressses in the single crystal superalloy SC16.
Michael Lance is a Staff Scientist in the Ceramics Science and Technology Group at Oak Ridge National Laboratory. He came to ORNL as a Wigner Fellow, a prestigious postdoctoral appointment named after the former Lab Director and Nobelist, Eugene P. Wigner. His Doctorate is in Ceramic Science and Technology from Rutgers University and he holds a B.S. in Ceramics from Alfred University. Dr. Lance is in charge of the vibrational spectroscopy facilities for the High temperature Materials Laboratory at ORNL. His main research interest is in using vibrational and fluorescence spectroscopy to measure stress in ceramic materials.
Keyu Li got BA and MS degrees from Tsinghua University China in 1986 and 1988. She started her earlier research interest on Applied Optics from her senior design project and advanced her optics research interest during her PhD study at Johns Hopkins University. She has continued on applied optics in her two employment positions with Western Michigan University and Oakland University. She is now an Associate Professor at Oakland University.
Sonia Martinez is a Materials Engineer at Pratt and Whitney, East Hartford, Connecticut. In this role, Dr. Martinez is the Program Manager and Technical Contact for Advanced Surface Treatment applications used to increase foreign object damage (FOD) and domestic object damage (DOD) tolerance to fan/compressor airfoils. She holds a PhD in Materials Engineering from the University of Dayton, a bachelor’s degree and a master’s degree in Chemical engineering from Purdue University and The University of Toledo, respectively. Before joining Pratt and Whitney, she had worked at the nondestructive evaluation group in the Materials and Manufacturing Directorate, Wright Patterson Air Force Base, Ohio. In this position, Martinez conceived, plan, organize fundamental research and manage contractual research and advanced development programs on nondestructive evaluation (NDE) methods.
Troy D. Marusich is the Chief Technical Officer and Vice President of Product Development for Third Wave Systems. He specializes in applying computational techniques to manufacturing and research and development for improved product and process performance. Before joining Third Wave in 1995, Dr. Marusich was a Design Engineer at John Deere. He also worked in various engineering groups from 1986 to 1989 within Honeywell’s Defense Systems Division. Dr. Marusich is known internationally for his work in applying non-linear computational mechanics to the simulation of metalworking processes for improved design, process performance, and part quality. He is the primary architect behind Third Wave AdvantEdge™ and has been responsible for development of many proprietary technologies held by Third Wave. He is the author of numerous papers on machining simulation and currently has patents pending related to high-speed machining of titanium and machining modeling technology.
Paul Prevey received a BS in Physics from Case Institute of Technology in 1970 followed by graduate studies in Materials Science at the University of Cincinnati. He was employed at Metcut Research from 1970 to 1977 initially in the fatigue lab, and as Supervisor of the x-ray diffraction laboratory. He then founded Lambda Research in 1977 and serves as President and Director of Research. He has authored 53 publications related to the field of x-ray diffraction, materials performance, and residual stress measurement, and is a Fellow of the ASM.
Len Reid is an Aeronautical Engineer and has been involved in aerospace over 45 years. He joined Fatigue Technology Inc. (FTI), Seattle, WA, USA, in 1987. He was formerly Vice President, Engineering and is currently Vice President, Research & Development. Len Reid started his career as an Aircraft Engine Apprentice in the Royal Australian Air Force (RAAF). He obtained degrees in Aeronautical Engineering (RMIT Melbourne) and Master of Science in Aircraft Design from the College of Aeronautics, Cranfield England. He completed a 25-year career as an Aeronautical Engineer in the RAAF prior to joining FTI, and is considered a leading authority in the area of structural fatigue life enhancement methodology. He has presented and published numerous papers and technical articles in this field.
Gary Schajer teaches and does residual stress research in the Department of Mechanical Engineering, at the University of British Columbia, Vancouver, Canada. His first hole-drilling publication was recognized by the 1981 Best Paper Award of the Journal of Engineering Materials and Technology. Since then, Gary Schajer has done extensive research on residual stress measurements, and has published numerous papers and book chapters. He is a member of ASTM committee E28-13 on residual stress measurement, and has been responsible for three major revisions of ASTM E837 Standard Test Method for Hole-Drilling Residual Stress Measurements.
Michael Shepard is the Section Chief for Behavior and Life Prediction at the Materials and Manufacturing Directorate of the Air Force Research Laboratory. He was awarded a Ph.D. in Materials Engineering from the University of Dayton in 2004 and received an M.S. in Materials Engineering in 2000 and a B.S. in Mechanical Engineering in 1998, both from Wright State University in Dayton, Ohio. Dr. Shepard has worked and published extensively in the area of engineered residual stresses. He has been particularly active in the introduction of engineered residual stresses into common aerospace usage and design practice. His research interests include aerospace design practice, residual stresses, and foreign object damage.
David Smith is a Professor of Engineering Materials, and the Head of the Solid Mechanics Research Group at the University of Bristol, Department of Mechanical Engineering. He is also Director of the Systems Performance Centre, and recipient of a Royal Society Research Wolfson Merit Award (2007-2012). In addition, he is a non-Executive Director of VEQTER Ltd, a company, spun out from UoB, and managed by Dr Ed Kingston that provides a residual stress measurement service for industry. Dr. Smith's academic interests lie in fracture of materials and locked-in stresses in engineering components.
Richard Tenaglia is the Development Manager at LSP Technologies, Inc., where he leads projects involving the commercialization of laser peening. Mr. Tenaglia has more than thirty years experience as a process metallurgist with a focus on developing and commercializing innovative metals processing technologies. His areas of expertise include melting and casting technology, surface engineering, metalforming technologies for automotive applications, process cost reduction, materials characterization, and failure analysis. He has led major development efforts for Evaporative Pattern Casting, Melt Extraction, Direct Metal Forming, and hydroforming of automotive components. Mr. Tenaglia is a graduate of The Ohio State University and the University of Dayton.
Steve Thompson received his Bachelor’s Degree in Materials Science and Engineering from Wright State University in 1988 and his Master’s Degree in Materials Engineering from the University of Dayton in 1993. He works in the Materials Test and Evaluation section of the Air Force Research Laboratory’s Materials and Manufacturing Directorate. He is a senior engineer in the area of mechanical testing of metallic materials, with an expertise in fatigue and fracture testing. He is currently the DoD Co-chair of the MMPDS handbook, which was formerly known as MIL-HDBK-5. Within ASTM’s Committee E08, he is the Secretary of Subcommittee E08.06 on Crack Growth Behavior, the Chair of the Task Group on Fatigue Crack Growth Rate, and was most recently made the Co-chair of the Task Group on Residual Stress Effects. He also is the Chair of the ISO working group on Fatigue Crack Growth Rate.