(Powerpoint)
Experience
YONI ADONYI Home: 276 Hillshore Circle., Longview, TX 75605, Phone: 903-233-3918, FAX: 903-233-3910 Work: P.O. Box 7001, Longview, TX 75607, Email:YoniAdonyi@letu.edu
EDUCATION: Ph. D., Welding Engineering, The Ohio State University
TEaching Experience2006-present Adjunct Professor, Université de Montpellier 2, Polytech’, Nîmes Campus, France. Taught 3rd year students (Senior Level in a 2+3 system) Metallurgie Module 4, reviewed Senior Design projects. Coordinated a 2-yr cooperation program with faculty and student exchanges between LeTourneau University and the program located with the IUT Institute Universitaire de Technologie on the Nimes Campus. 1998-Present LeTourneau University, Professor and Omer Blodgett Chair of Welding and Materials Joining Engineering. Developed new welding design and nondestructive evaluation courses. Taught upper level undergraduate courses:
· Welding Design I, Fall (Residual stresses, experimental stress analysis, fracture mechanics, failure analysis); · Welding Methods II, Fall (Interface phenomena, energy transfer, specific arc-, resistance- and high-energy-beam joining processes) · Welding Design II, Spring (Fitness-for-purpose, numerical analysis applied to stress and temperature fields, physical simulations) · Non-Destructive Evaluation, Spring (Material/elastic- and electromagnetic wave interactions, ultrasonic and eddy current applications for material characterization and flaw detection) 1996-1998 LeTourneau University, Professor of Welding Engineering. Taught welding metallurgy and design courses, initiated undergraduate research, incorporated Welding as a new design Concentration in the ABET-accredited Engineering program. Increased Welding Engineering enrollment by 90% in two years. · Welding Metallurgy I, Fall (Basic physical metallurgy applied to joining, non-equilibrium solidification and phase transformations); · Welding Metallurgy II Fall (Application of Welding Metallurgy principles to ferrous- and non-ferrous alloys welding – titanium, aluminum and nickel-base superalloys, weldability testing) · Advanced Materials Joining, Spring (Solid-state bonding processes, Polymer joining, Composites and Ceramics joining) 1994, 1995 Carnegie Mellon University, Adjunct Associate Professor, Department of Materials Science and Engineering. Wrote and taught new graduate course · Joining of Materials, Spring (Basic physical metallurgy applied to joining, non-equilibrium solidification and phase transformations, process review, residual stresses, numerical and physical simulations, weldability testing, advanced materials joining); Research MANAGEMENT AND OTHER ADMINISTRATIVe Experience1996-Present LeTourneau University, Director of Welding Research. Reported to Director, Research and Advanced Development Institute (50% release time). Acted as Principal Investigator and successfully completed 15 applied research projects totaling $ 1,370,000. Work ranged from weldability of High-Performance Steels to brazing of powder-metallurgy contacts. Was instrumental in fundraising for major equipment such as: · Gleeble 1500 thermal-mechanical simulator · VareStraint 500 tester · 50 HP Friction Stir Welder · Personal SEM scanning electron microscope · Vacuum Brazing Furnace · 100 kW variable frequency induction welder · Ultrasonic welders for metals and plastics · Diode and Nd:YAG laser microjoining stations · Automatic GTAW welding systems · Fanuc R2C welding Robot, integrated cell by Lincoln Initiated and helped incorporate Welding Engineering as a new Design Concentration under the ABET-accredited Engineering program. Was instrumental in starting new Graduate program in Engineering. Initiated organization and to be appointed first Interim Director of a new university-wide Undergraduate Research Center. Initiated several industry/academia bilateral alliances and set up collaborative programs such as with CB&I, Trinity Industries. 1994-1996 United States Steel Group, a Unit of USX Corporation, Technical Center, Research Manager, Materials Technology Group. Was responsible for welding, failure, and structural analysis aspects related to new ferrous alloy development and product liability. Managed an AISI international collaborative research program on high-speed welding of light-gauge tin-coated sheet. Performed several internal training tasks, as well as coordinated research efforts on tool-steel rolls to achieve hot strip mill schedule-free rolling. Acted as Industry Advisor on two MSc and one PhD Committees (University of Pittsburgh and Colorado School of Mines)
RESEARCH EXPERIENCEJan – June 2006 United States Steel Kosice, s.r.o, Research Lab, Kosice, Slovak Republic. Sabbatical leave from LeTourneau University. Conducted training courses, implemented automotive steel weldability testing program, assisted in failure analysis of mill equipment, spiral tube welding. Promoted research on new hybrid welding process development for coil joining, built alliance with Slovak Welding Institute (VUZ), The Welding Institute (TWI), the Technical University of Kosice. 1989-1994 United States Steel Group, a Unit of USX Corporation, Technical Center, Senior Research Engineer (1989-1992) and Associate Research Consultant (1992-1994), respectively. Involved in research on laser weldability of automotive grade sheet to tailored-blank applications, as well as in evaluation of hydrogen-induced cracking in new plate and tubular products for offshore platforms. Worked on resistance-seam weldability of new coated products for automotive applications, including behavior of organic coatings during welding. Involved in new alloy development using weldability testing employing the Gleeble 1500 thermomechanical simulator. Assisted steel mills in failure analysis and weld repair of critical components (Co-authored patent on repair of tool steel mandrel bars used in manufacturing seamless pipe). 1985-1989 The Ohio State University, Department of Welding Engineering, Graduate Research Associate. Responsibilities related to the development of a deep penetration modified GTAW process called “Buried-Arc GTA Welding”. Developed and used a PC-based control and data acquisition system for the welding equipment. Developed fundamental explanation on the welding arc plasma-to-molten pool interaction as applied to austenitic stainless steels, metastable beta titanium and aluminum alloys. The process is still being investigated almost 20 years later at the Navy Surface Warfare Center and its potential not yet realized. Industrial Experience1981-1985 Israeli Military Industries, Haifa, Israel. Development Welding Engineer. Involved in new applications of gas-shielded arc welding processes for manufacturing aircraft and weapon components. Was responsible for weldability testing, equipment design, specifications and procurement of automated welding systems. Materials joined ranged from the 2xxx, 3xxx, 5xxx, 6xxx and 7xxx series aluminum alloys to Maraging and PH stainless steel, as well as quenched-and-tempered high-strength low-alloy steels. 1980-1981 Israeli Shipyards, Haifa, Israel. Manufacturing Welding Engineer. Worked on welding procedure qualifications, testing and implementation on 5xxx series aluminum alloys GMAW and GTAW welding for hydrofoils. Gained a lot of hands-on experience with welding procedure qualifications and nondestructive evaluation. 1976-1980 Grivitza Rosie Plant for Petrochemical Equipment, Bucharest, Romania. Production Welding Engineer. Worked on welding, cutting and weld overlaying applications applied to heat resistant pressure vessel type steels such as the 2.25Cr-1Mo and 9% Ni steel for cryogenic applications.
RESEARCH INTERESTS1. Weldability of High-Performance Steels for Bridges - New 70 and 100 ksi yield strength weathering grades, hydrogen-induced susceptibility evaluation - funded by the Federal Highway Administration and the American Iron and Steel Institute (1996-2001) 2. Steel Weldability Prediction, Optimization and Control, sponsored by the Texas Higher Education Coordinating Board (1998-99) 3. Design for Manufacturing – Robotic Welding Guidelines for Automotive Frame Construction (1999), co-investigator on a project sponsored by the Auto-Body Consortium for General Motors. 4. Resistance Brazing of Powder Metallurgy electrical contacts – Eddy Current testing and destructive testing for brazing alloy optimization, Square D, Group Schneider (1999) 5. Use of Physical Simulations for Bimetallic Interface Characterization in Centrifugal Casting (2000-2001 grant from the Texas Higher Education Coordinating Board) 6. Study of kinetics of Widmanstatten Ferrite formation in ASTM 4130 tubular steel products and weld heat affected zones (2001). 7. Use of physical simulations for modeling Friction Stir Weld heat- and mass-transfer phenomena (together with Dr. Kovacevic, Southern Methodist University, 2001) 8. Use of hybrid welding technologies for joining Advance High Strength Steels (US Steel, Kosice, 2004-2006) 9. Weldability of Advanced High Strength Steels (AHSS) for automotive applications, effect of nitrogen on spot weldability of TRIP steels (with Bela Palotas, Budapest University of Technology and Economics, 2004-2006) 10.Welding current waveform control to improve the quality of through-deck stud welds on coated steels for composite (steel/concrete) structures (AISC, 2004-2006) 11.Modeling and physical simulation of Variable Frequency welding (2006-2007)
LIST OF PUBLICATIONS AND TECHNICAL PRESENTATIONS
TECHNICAL JOURNALS (refereed- R and non-refereed- NR) 1) Adonyi, Y., Richardson, R. W., Baeslack, W. A., 1992 - “Investigation of Arc Force Effects in Subsurface GTA Welding”, Welding Journal, Research Supplement, Vol. 29, Sept 1992, pp. 321s-330s. (R) 2) Kimchi, M., Adonyi, Y., Brewer, P., 1995 - “Weldability of Hot-Dipped Tin Coated Steel Sheet”, Welding Journal, Volume 74, No. 6, June 1995, pp. 31-38. (NR) 3) Baysore, J., Williamson, M., Adonyi, Y., Milian, J., 1995 - “Laser Welding Parameteric Effects on the Formability of Welded Blanks”, Welding Journal, Research Supplement, Vol. 74 (10) October 1995, pp. 345s-352s. (R) 4) Atkins, G., Thiessen, D., Adonyi, Y. 2000 – “Welding Process Effects on Weldability Testing of Steels”, Welding Journal, Research Supplement, Vol. April 2002 (R) 5) Orosz, Cs, Palotas, B., Adonyi, Y, 2006 “TRIP acélok hegesztési vizsgálatai” (Weldability Testing of TRIP Steels), Hegesztes Technika, XVII Evfolyam, 2006, 3 szam, pp. 23-27, Budapest, Hungary (NR) 6) Adonyi, Y., 2006 – “Heat-Affected Zone Characterization by Physical Simulation”, Welding Journal, Oct 2006, pp. 42-47. (NR) 7) Adonyi, Y., 2007 – “Undergraduate Research at LeTourneau University”, Welding Journal, April 2007, pp.42-43 (NR) 8) Baumer, R. Adonyi, Y, 2009 – “Modeling and Physical Simulation of High Frequency Welding of Advanced High Strength Steel Welding”, Welding Journal, Research Supplement, due to be published in October 2009.
PROCEEDINGS AND OTHER PUBLICATIONS1) Adonyi, Y., Brickner, K. G., 1990 - “Joining of Steel Sheet for Enameling Applications”, Proceedings at the Porcelain Enameling Institute Conference, 1990, pp. 729-748, Nashville, TN. 2) Defilippi, J. D., Kapadia, B. M., Adonyi, Y., Domis, W. F., 1992 - Development of HSLA Steel with 80 ksi Yield Strength for Offshore Applications”, Proceedings at the 11th International Conference on Offshore Mechanical and Arctic Engineering, Volume 3, Calgary, Alberta, Canada. 3) Adonyi, Y., Milian, J., Roudabush, L. A., 1992 - “Performance of Welded Steel Sheet for Tailored Blanks”, Proceeedings at the AWS Sheet Metal Welding Conference V, Detroit 4) Milian, J. L., Adonyi, Y., 1992., 1992 - “Formability of Tailored Blanks for Automotive Applications”, International Conference on Metal Working, Montreal, Canada. 5) Adonyi, Y., Kimchi, M., McKinney, O., 1991 - “Resistance Seam Welding of Polymer-Coated Sheet”, SAE Publication # 910195, February 1991, Detroit, MI. 6) Davis, S. P., Adonyi, Y., Roudabush, L. A., 1994 - “Hot Dipped Tin Coated Sheet Evaluation for Flexible Fuel Applications”, SAE Publication # 932368. 7) Adonyi, Y., Domis, W. F., Chen, C. C., 1995 - “Weldability of and Experimental Abrasion Resistant Steel”, Proceedings at the International ASM/TMS Conference on High Performance Steels, Cleveland, November 1995. 8) Adonyi, Y., Chen, C. C., 1996 - “Laser Welded Steel Performance in Tailored Blanks”, Proceedings at the 29th International Symposium on Automotive Technology and Automation (ISATA), Florence, Italy, June 1996. 9) Adonyi, Y, 1997 - “Recent Trends in Steel Weldability Research in the US”, Invited Paper, Annual Conference of the Israeli Metallurgical Society, October 28, 1997, Kibbutz Shfayim, Israel. 10) Adonyi, Y., 1998 - “Selective Use of Weldability Tests for High Performace Steels”, Proceedings at the 1st Taiwan International Welding Conference, Taipei, 1998. 11) Adonyi, Y., 1999 - “Weldability Testing of Steels and Physical Simulations”, ASME Sources Technology Conference, Houston, TX, February 1-3, 1999. 12) Adonyi, Y. 2000 – “Weldability of High Performance Steels”, Invited Paper, NaBRO Conference on Steel Design and Construction for the New Millennium, Baltimore, MD, December 1, 2000. 13) Adonyi, Y, Marsden, K, 2001 – “Physical Simulation of Bimetallic Centrifugally Cast Interfaces”, Proceedings at the 43rd Annual Conference of the Iron and Steel Institute, Oct. 28-30, 2001, Charlotte, NC 14) Atkins, G., Ryan, D, Adonyi, Y, 2002 –“Physical Simulations of Solid/Liquid Bimetallic Interfaces”, Proceedings at the 6th International Conference on Tends in Welding Research, Pine Mountain, GA, April 2002 15) Adonyi, Y., 2003 – “Welding Engineering and the Global Village”, Opinion Article, Welding Journal, pp. 22-23, September 2003. 16) Adonyi, Y., Palotas, B., 2005 - “Welding of Advanced High Strength Steels for Automotive Applications”, Proceedings of the 7th International Conference on Trends in Welding Research., Pine Mountain, GA, 2005 17) Orosz, Cs, Palotas, B., Adonyi, Y. 2006 “Numerical Analysis of Weldability of TRIP Steels” First South-East European Welding Congress, IIW, May 24-36, Timisoara, Romania 18) Adonyi, Y., Jurko, V., 2006 – “Hybrid Welding Technology for Advanced High Strength Steels”, Proceedings of the Materials Science and Technology (MS&T 2006) Conference, Cincinnati, OH, pp. 47-59. 19) Németh, F., Adonyi, Y., Gorelová, M., Leško, A “Fractographic Evaluation of CrNiFe Centrifugally Cast Tube Failure”, Slovak Metallurgical Society Conference, Oct. 17-20, 2006, High Tatras, Slovak Republic. 20) Swenson, J, Adonyi, Y., Warke, R.W. “Deformation Effects During HF Welding of Mored Stetels “ to be published in the Proceedings at the 8th Trends in Welding Research International Conference, Calloway Gardens, GA 2008
TECHNICAL PRESENTATIONS1) Adonyi, Y., Duhamel, R, Eigner, D., 1993 - “Laser Welding of Hot-Rolled Steel”, Presented at the 74th Annual AWS Conference, Houston, TX. 2) Adonyi, Y., Kimchi, M., 1994 - “Surface Cracking in Resistance Seam Welding of Coated Steel”, Presented at the 75th Annual AWS Conference, Philadelphia, PA. 3) Adonyi, Y., 1994 - “Weld Repair of Blast Furnace Top Components”, American Iron and Steel Engineers Conference, Cleveland, OH. 4) Adonyi, Y., 1996 - “Can Steel Remain a High Performance Material?”, Industrial Lecture, Materials Research Center, University of Pittsburgh. 5) Barber, S., Vogel, H., Adonyi, Y., 1998 - “Weldability Testing of High-Performance Steels”, presented at the 79th Annual Conference, American Welding Society, Detroit, MI, April 27, 1998. 6) Adonyi, Y., 1999 – “Undergraduate Education in Welding Engineering”, ASEE (American Society of Engineering Education) Southwest Gulf Regional Conference, Dallas, TX March 1999. 7) Adonyi, Y., 1999 – “Physical Simulations in Welding Engineering Education and Research”, ASEE (American Society of Engineering Education) Southwest Gulf Regional Conference, Dallas, TX March 1999. 8) Nissley, N., Olson, T., Adonyi, Y., 1999 – “Geometry Effects in Weldability Testing of High-Performance Steels”, Presentation at the 80th Annual Conference of the American Welding Society, St. Louis, MO, April 1999 9) Adonyi, Y. 1999 – “Recent Advances in Weldability Research of High Performance Steels”, Presentation at NaBRO (National Bridge Research Organization) Conference in Kansas City organized by the University of Nebraska, Nov. 4, 1999 – Invited presentation 10)Adonyi, Y. 2000 – “Steelmaking and Processing Effects on Weldability of Steels”, Presentation at the 81st Annual Conference of the AWS,Chicago, IL, April, 2000 11)Adonyi, Y., 2001 – “Undergraduate Research at LeTourneau University”, Presentation to the Ozark Section of the American Welding Society, Springfield, MO – Invited Presentation, May 24, 2001 12)Pletcher, B., Atkins, G., Adonyi, Y – 2002 – “Flame Reheating Effects in High Performance Steels”, Presentation at the 83rd Annual AWS Conference, Chicago, IL, March 2002 13)Roepke,C. Cristiansen, K., Adonyi, Y. 2003 – “Gas Metal Arc Welding of High Performance Steels using Solid vs. Tubular Wire Electrodes”, Presentation at the 84th Annual AWS Conference, Detroit, MI, April 2003. 14)Pletcher, B., Atkins, G., Adonyi, Y – 2003 – “Heat Affected Zone Phenomena in Reheated High Performance Steels”, International ASM Conference, October, Pittsburgh, PA 15)Adonyi, Y, Palotas, B. 2005 “Nitrogen Effects in Welding of Advanced High Strength Steels”, 85th Annual AWS Show, Dallas, TX April 26-28 2005 16)Adonyi, Y., Palotas, B., Orosz, Cs., 2005 “Lap Joint Strength in Advanced High Strength Steels”, 58th Annual Conference of the International Institute of Welding IIW, Prague, Czech Republic, 14-15 July 2005. 17)Adonyi, Y. 2005. “Generic Issues in Welding of Advanced- and High Performance Steels”, 86th AWS/Fabtech Joint Conference, Chicago, Il, November 2005 18)Adonyi, Y. 2006. “Nondestructive Testing of Welds and Elements of Fracture Mechanics”, Materials Science Department, Technical University, Kosice, Slovak Republic. 19)Adonyi, Y., 2006 “Adhesive Bonding as Alternative to Welding for Sheet Metal Cabinets”, Budapest University of Technology and Economics, Budapast, Hungary 20)Adonyi, Y., 2006. “Weldability of Advanced High Performance Steels” Guest Lecture at IUT Nimes, Polytech’ Montpellier, France. 21)Beckman, W., Nielsen, J., Adonyi, Y., Warke, R. 2006. “Through Deck Stud Welding on Coated Steels”. 87th Annual AWS/Fabtech Conference, October 2006, Atlanta, GA. 22)Cadman, J., Swenson, J., Adonyi, Y, Warke, R.W., 2007 “Modeling of Variable High Frequency Welding of Advanced High Strength Steels” 88th Annual AWS/Fabtech Conference, November 2007, Chicago, Il
BOOK CHAPTERChapter 2, Gas Metal Arc Welding “Advances in Welding”, sponsored by CSIRO in Australia and to be published in 2004 in the UK by Woodhead Publishing OTHER PROFESSIONAL ACTIVITIES/AWARDS- American Welding Society (AWS), Member since 1983 -Technical Papers Committee (TPC), Principal Reviewer since 1997, Poster Committee Chair, Vice Chair of TPC 2002-2005 -B.5 Qualification Committee Member, Certified Welding Inspector (CWI), -East Texas Section Chairman (1999-2002) -US Vice Delegate at the International Institute of Welding, Commission XIV, Education - Professional Engineer, State of Texas - Consultant since 1996 to: Square D, EDI, UltraViolet Devices, Primex Technologies, Morgan Constructions, Beaird Industries, Lone Star Steel Company, SMI Joists, LeTourneau Inc, Trinity Industries, Railcar Division, Thermatool Corporation - Member, International Board of Trustees, Samara State University, Russian Federation - Co-author, Patent on Weld Repair of H-13 Tool Steel Mandrel Bar for Seamless Tube - Award for Excellence in Oral Presentation, 1991, Society for Automotive Engineers (SAE) - Omer Blodgett Endowed Chair Award, 1998, LeTourneau University - Adams Memorial Membership Award, 1999, American Welding Society (AWS) - Award for Best Paper in Session, 2001, 43rd Annual Conference, Iron and Steel Society (ISS)
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