Thomas M. (Tom) Holden received his B.Sc. and Ph.D. from Leeds University in England. He began working in the field of measurement of materials properties by neutron scattering during post-doc positions at the United Kingdom Atomic Energy Authority, Harwell and at Chalk River Nuclear Laboratories in Canada. In 1966 he joined the staff of Atomic Energy of Canada (AECL) and studied magnetism until the 1980’s. In 1983 he began working on measurements of residual stress and texture in engineering components and materials by neutron diffraction. In 1998 he retired from AECL and since then has consulted in Australia, the Netherlands, Japan, Korea and the United States. He wrote the science case for the new engineering diffractometer, VULCAN funded by Canada, at the Spallation Neutron Source at Oak Ridge National Laboratory and was head of the development team for the instrument.
I. Cevdet Noyan is Professor of Materials Science and Engineering at Columbia University, New York, where he works on x-ray and neutron diffraction and mechanical response of crystalline materials. Prof. Noyan served as Research Staff Member and Research Manager at the IBM Research Division, T. J. Watson Laboratory until 2004, where he conducted and directed research on chip packaging, reliability of microelectronic interconnection structures and x-ray microdiffraction. Noyan received the Adjunct Faculty Award for Excellence in Teaching from Columbia University’s School of Engineering and Applied Science in 1993. He received two IBM Outstanding Technical Achievement Awards and an IBM Research Division Award for research and development of computer and packaging structures, on which topics he is the co-author of more than twenty patents. He is co-editor of Advances in X-Ray Analysis and a Fellow of American Physical Society.
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.
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.
Mike Prime received his Ph.D. in Mechanical Engineering from U.C. Berkeley in 1994. Mike has worked at Los Alamos National Laboratory as an R&D Engineer in various divisions for over 15 years. He has worked on nonlinear vibrations, structural health monitoring, residual stress measurement, shock physics, and material failure at high strain rates. Mike co-founded the Residual Stress Summit, was the Program Chairman for the 2008 8th International Conference on Residual Stresses, served as an Associate Technical Editor for Experimental Mechanics, and is the Chair for ASTM Task Group E28.13.02.
Michael Hill has devoted his professional career to residual stress engineering. His published works are in the areas of residual stress measurement, modeling, and failure prediction. Prof. Hill has worked extensively on the development of laser shock peening in collaboration with government and industrial partners. He founded an industrial services firm, Hill Engineering, LLC, to address the needs of commercial clients in tackling complex structural problems with a special emphasis on residual stress engineering. Prof. Hill completed his Ph.D. in Mechanical Engineering at Stanford University in 1996, having earned his B.S. and M.S. degrees in Mechanical Engineering at the University of Arizona in 1989 and 1991, respectively.
Philip Withers is a Professor at the University of Manchester, UK. His main interests lie in the application of advanced techniques to assess the structural integrity of engineering materials and components. This requires information about the residual stresses and the presence and location of defects within structures as well as the effect of the externally applied stresses experienced in service. Besides the measurement of stress, he is also interested in manipulating residual stresses to improve structural performance and life, for example using phase transformations in smart materials and weld fillers. Prof. Withers has also developed micron scale variants of the slotting and hole drilling techniques using a focused ion beam microscope and digital image correlation to measure micron scale residual stress variations in components and devices. His work spans the whole range of structural engineering materials, but especially for the nuclear and aerospace sectors. He runs the residual stress unit at Manchester and recently complemented this with the Henry Moseley X-ray Imaging Facility for 3D structure measurement. He is a member of the Royal Academy of Engineering and has been awarded numerous prizes both for research and education innovation, including the 2010 Armourers and Brasiers Prize of the Royal Society for residual stress measurement and imaging using neutron and synchrotron beams.
Paul J. Crooker, Electric Power Research Institute
Aladar A. Csontos, U.S. Nuclear Regulatory Commission
Pamela Kobryn is a Senior Aerospace Engineer with the U.S. Air Force Research Laboratory's Air Vehicles Directorate. She has 16 years of experience in planning, managing, and executing research and development programs in the area of airframe structures and materials. In her current assignment, she is responsible for planning and managing the Air Vehicles Directorate's investment in sustainment science and technology.
Shesh Srivatsa has worked in the Materials and Process Engineering Department at GE Aviation for over 25 years. His areas of interest include modeling of various manufacturing processes. He has led several USAF funded Metals Affordability Initiative (MAI) programs related to residual stresses and machining distortions.
Mark James is responsible for managing the Residual Stress Management for 3D Structures program at the Alcoa Technical Center. His background is in fracture mechanics, and he is active in ASTM standardization with responsibility for the KIc fracture toughness standard. He has particular interest in standardizing test methods to partition residual stress from property data. Mark has been with Alcoa for 5 years. Previous to Alcoa, Mark spent 6 years at NASA Langley Research Center as a post-doc and contractor performing fatigue crack growth and fracture research.
James Castle has been working on modeling and mitigating residual stress induced distortion in aerospace machined parts at Boeing Research and Technology. This effort has focused on two areas: distortion induced by the machining process itself and distortion due to material stresses. He is currently completing a USAF funded Metals Affordability initiative project on machining induced distortion in titanium and kicking off new program starting in January focused on distortion due to material stresses in aluminum forgings. He is very interested in taking the steps necessary to develop an industry best practice for residual stress management in aerospace parts.
Michael G. Glavicic has worked at Rolls-Royce Corporation located in Indianapolis IN since March 2008 as a Senior Materials Engineer. Prior to joining Rolls-Royce he worked at the Air Force Research Laboratories located at Wright Patterson Air Force Base as a Research Scientist for a period of 8 years and at Lambda Research located in Cincinnati Ohio as a Senior Research Associate for a period of 3 years. His research interests include the study of solid state phase transformations in metals, the use and development of advanced materials characterization techniques (XRD, EBSD, SEM, TEM, FIB) for the characterization of material deformation processes and the modeling of texture evolution in metals during thermomechanical processing.
John Watton has been employed at Alcoa since graduating from Carnegie Mellon University in 1989 with a Ph.D. in Mechanical Engineering. At the Alcoa Technical Center John has worked in three divisions including: Applied Mathematics and Computer T echnology, Product Design and Development, and currently, Product Manufacturing. He has created and deployed at Alcoa sites a complete CAD forging die tooling software system, and analysis systems for many hot and cold metal forming processes. John has applied his engineering and programming skills to problems in spring back and residual stress in fiber-metal laminate manufacturing, aluminum oil drill pipe manufacturing and performance, machining distortion prediction, inverse thermal analysis problems, data-mining software for sheet rolling mills, and an automatic 100% hexahedral element mesher for complex forging and casting geometries.
Dale Ball has worked in the area of structural durability and damage tolerance for the past 28 years. His particular areas of interest include methods / software development for structural integrity certification of air vehicles, the maturation of structural health monitoring technologies for aircraft sustainment, and the modeling of residual stresses and non-linear material response and the impacts that they have on fatigue and fatigue crack growth. Dr. Ball is currently a 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 23 years.
Michael Enright specializes in reliability-based life prediction with an emphasis on probabilistic fatigue and fracture. He has published over 90 peer-reviewed journal articles and conference papers (including three award winning articles) and organized several international conferences focused on reliability-based life prediction of gas turbine engine materials. Dr. Enright is currently responsible for development of the DARWIN probabilistic fracture mechanics software. He also serves as an Adjunct Professor at Trinity University and the University of Texas at San Antonio.
Frederick W (Bud) Brust received his Masters degree from Purdue University. He went on to take a job at Battelle Memorial Institute in Columbus, Ohio, where he worked on the early computational weld models with Dr. E. F. Rybicki. After three years at Battelle, Brust went to Georgia Institute of Technology where he obtained his PhD degree under the direction of Professor S. N. Atluri in 1985. He then went back to Battelle where he worked for 22 more years in the fracture mechanics, welding, and computational mechanics areas. He joined EMC2 nearly three years ago, where he continues to work in the fracture, weld, seismic, and computational mechanics areas.
John O. Milewski is a Fellow of the American Welding Society. His expertise, patents and publications are in the area of high energy beam weld processing and the joining of refractory and nuclear materials. He has been with Los Alamos National Laboratory since 1980, working in the Metallurgy Group.
Pete Riccardella, Structural Integrity Associates
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.
Ed Kingston is the Managing Director of VEQTER Ltd. He received his Masters degree and PhD from the University of Bristol, specialising in the Deep-Hole Drilling technique for his PhD. He now runs VEQTER day-to-day carrying out residual stress measurements for clients all over the world, from Japan to Europe to the USA. Although currently in a managerial role, Ed is still most interested in R&D, focusing on the improvement of residual stress measurement techniques and their application.
Camden Hubbard has used X-ray and neutron diffraction and thermophysical property measurement techniques at ORNL to enhance the understanding and improvement of advanced materials processing, stability, properties, and performance. He led the Materials Science and Technology Division’s efforts in neutron strain mapping and in situ x-ray diffraction. He also led the major project on design, installation and commissioning of the Second Generation Neutron Residual Stress Mapping Facility at the High Flux Isotope Reactor and was co-PI on two related NSF projects related to VULCAN, a pulse neutron engineering instrument under construction at the Spallation Neutron Source. His recent work has included projects with EPRI and NRC on stress mapping by neutron and x-ray methods on mock ups and nozzles with dissimilar metal welds.
Don Brown, Los Alamos National Laboratory
Armando Albertazzi has worked at the Mechanical Engineering Department of Federal University of Santa Catarina, Brazil, since 1987. He is focused on optical metrology developments and applications. His group invented an ESPI interferometer with radial in-plane sensitivity that has been used for residual stresses measurement with hole drilling. The third generation of this device is very compact and robust and has been intensively used in the field for residual stresses measurement services in pipelines. He was promoted Fellow of the SPIE in 2008.
John A. Newman earned the Ph.D. degree from Virginia Tech in Engineering Science and Mechanics in 2000. Dr. Newman has worked at NASA Langley Research Center in Hampton, Virginia since 2000, first as an employee of the Army Research Laboratory (2000-2007), then as a NASA civil servant (2007-present). His technical work has been primarily involved in fatigue and fracture mechanics of metallic materials.
John E. Broussard, III joined DEI in 1994 after graduating magna cum laude in Mechanical Engineering from Virginia Tech. Mr. Broussard is a registered Professional Engineer in the Commonwealth of Virginia and has experience in the nuclear and fossil power industries. His expertise is in the investigation and technical evaluation of industrial systems and components, often using finite element analysis. Frequently, his work involves application of finite element analysis techniques to materials degradation evaluations. He has authored over 50 reports and publications and is a co-inventor on one U.S. patent. In addition to his technical work, Mr. Broussard manages the computing and telecommunications infrastructure at DEI.
Howard J. Rathbun holds a B.A. in Mathematics from the St. Mary’s College of Maryland, M.S. in Mechanical Engineering from the University of Maryland and Ph.D. in Mechanical Engineering from the University of California Santa Barbara, and is a registered Professional Engineer in the State of California. Dr. Rathbun has expertise in a wide variety of technical areas, including safety-related motor-operated gate valves, nuclear reactor vessel fracture mechanics, ultra-light and blast-resistant structures, and explicit and implicit finite element analysis. Dr. Rathbun is experienced in both experimental and theoretical mechanics. Dr. Rathbun served twelve years as an Engineering Duty Officer in the U.S. Navy (Reserve Component).
Rollie Dutton obtained his B.S. in Geological Engineering from the University of Missouri-Rolla in 1976. After working for the Amoco Production Company as a Petroleum Engineer, he obtained a Ph.D. in Ceramic Engineering in 1992. He began working at the Materials & Manufacturing Directorate in 1992 modeling the creep and densification of metals, ceramics and metal matrix composites. Dr. Dutton was the DARPA program manager for the Accelerated Insertion of Materials (AIM) program from 1999 to 2004. He is now the program manager for the Materials for Green Propulsion Initiative. His in-house research is focused on the development of modeling and simulation methods to predict the path dependent microstructural evolution and attendant mechanical properties of nickel-based superalloys during quenching. Dr. Dutton has authored or co-authored more than 37 technical papers/presentations. He is the co-holder of two US patents.