Conference Proceedings

Other Publications

1. Babu, S. S., Vitek, J. M., and David, S. A., Microstructure modeling of heat-affected-zone and Fusion zone in welds, invited article for McGraw Hill Encyclopedia of Science and Technology, 2000.

2. Elmer, J. W., Palmer, T. A., Babu, S. S., Synchrotron radiation analyzes steel welds, Advanced Materials and Processes, 2002, 160, 23-26.

Invited Talks

1. Babu, S. S., Hono, K. and Sakurai, T., APFIM characterization of metallic materials,” invited talk at Japanese Welding Society, Sendai, Japan, Nov., 1992.

2. Babu, S. S., Hono, K. and Sakurai, T., “Nanoscale compositional analysis of materials by atom probe field ion microscope,” invited talk at NTT basic sciences research laboratory, Ibaraki, Japan, Nov., 1992.

3. Babu, S. S.: Phase Transformations and Modeling of Microstructure Development in Low Alloy Steel Welds, ASM-IIM India invited lecture at IIT Madras, India, June 1997

4. Babu, S. S.: Phase Transformations and Modeling of Microstructure Development in Low Alloy Steel Welds, ASM-IIM India invited lecture at IGCAR, Kalpakkam, India, June 1997.

5. Babu, S. S. : Atom probe field ion microscopy of single crystal Ni-base superalloy welds,, ASM-IIM India invited lecture at Indian Institute of Science, Bangalore, June 1997.

6. Babu S. S.: Fundamental understanding of inclusion formation and microstructural evolution in low-alloy steel welds, invited talk at Nippon Steel Corporation, June, 1999

7. Babu S. S.: Fundamental understanding of inclusion formation and microstructural evolution in low-alloy steel welds, invited talk at National Research Institute for Metals, June, 1999

8. Babu S. S.: Modeling and characterization of microstructure development in structural alloy welds; Invited seminar at Materials Science and Engineering Department, Virginia Polytechnic Institute and State University on August, 1999.

9. Babu, S. S., David, S. A., and Miller, M. K., "Application of atom probe microanalysis for understanding microstructure evolution in nickel base superalloy welds," invited talk at Phase Transformations Symposium, Microscopy and Microanalysis Meeting 2000, Philadelphia, 2000.

10. Babu, S. S., and David, S. A. "inclusion formation in steel welds," invited talk at work shop on laser induced surface alloying" Applied Research Laboratory, State College. PA. August 2000.

11. S. S. Babu, J. M. Vitek, M. K. Miller, and S. A. David, "Nonequilibrium microstructure evolution in nickel base superalloys," invited talk at High Temperature Materials 2001 symposium held at National Research Institute for Materials Science (NIMS) at Tsukuba science city, Japan, June 2001

12. S. S. Babu, “Nonequilibrium solidification in a Fe-C-Al-Mn Low-Alloy steel weld: Time-Resolved X-ray diffraction study, Invited talk at Lawrence Livermore National Laboratory, Livermore, California, July 2002.

13. S. S. Babu, “Metallurgical and Microstructural Features of Heat Treating by Induction, ” Invited talk at Inductoheat annual meeting at Florida, October 2001

14. S. S. Babu, “Nonequilibrium solidification in a Fe-C-Al-Mn Low-Alloy steel weld: Time-Resolved X-ray diffraction study, Invited talk at Virginia Tech, February 2002.

15. S. S. Babu, “Inclusion formation and microstructure evolution in low alloy steel welds,” invited lecture in International Conference on Advanced Structural Steels (ICASS 2002) held at Tsukuba, Japan, May 2002.

16. S. S. Babu, “Real time synchrotron diffraction of steel weld as it solidifies,” invited seminar at University of Cambridge, UK, November 2002

17. S. S. Babu, “Joining of nickel base superalloy single crystals,” invited seminar at at International Conference on Microstructure and Performance of Joints in High-Temperature Alloys, London 2002, being considered for publication in Science and Technology of Welding and Joining, 2002

Conference Presentations

1. Babu, S. S. and Bhadeshia, H. K. D. H., “Stress and the Acicular Ferrite Formation,” presentation at the JIM Annual Meeting, Tokyo, April, 1992.

2. Babu, S. S., Hono, K. and Sakurai, T., “APFIM studies on martensite tempering of Fe–C–Si–Mn low alloy steel,” presentation at International Field Emission Symposium, Halifax, Canada, Aug., 1992.

3. Babu, S. S., Hono, K. and Sakurai, T., “APFIM study of redistribution of alloying elements during martensite tempering of a low alloy steel” presented in the spring meeting of Japan Institute of Metals, Toyama, Japan, Oct., 1992.

4. Babu, S. S., David, S. A., Vitek, J. M., and DebRoy, T., “The effect of oxide inclusions on kinetics of austenite to ferrite transformation in low alloy steel weld metal,” presentation at the international conference on Solid –> solid phase transformations in inorganic materials, Pittsburgh, USA, July, 1994.

5. Babu, S. S., David, S. A., Vitek, J. M., and Miller, M. K.: Atom probe field ion microscopy of type 308 CRE stainless steel welds, presented in 76^th American Welding Convention, Ohio, 3 April, 1995.

6. Babu, S. S., David, S. A., Vitek, J. M., Mundra, K., and DebRoy, T.: Non-Metallic oxide inclusion formation in low alloy steel welds, presented in 76^th American Welding Convention, Cleveland, Ohio, 5 April, 1995.

7. Babu, S. S., David, S. A., Vitek, J. M., Mundra, K., and DebRoy, T.: Modeling the formation of non-metallic oxide inclusions in low alloy steel fusion welds, presented in 4^th Intl. Conf. on “Trends in Welding Research,” Gatlinburg, TN, USA, 1995.

8. Babu, S. S., David, S. A., and Vitek, J. M.: Effect of oxide inclusions on the solid state transformations in low alloy steel fusion welds, presented in 4^th Intl. Conf. on “Trends in Welding Research,” Gatlinburg, TN, USA, 1995..

9. Babu, S. S., Vitek, J. M., David, S. A., Mundra, K., and DebRoy, T.: Model for inclusion formation in low alloy steel welds, presented in 77^th American Welding Convention, Chicago, Illinois, 24 April, 1996.

10. Babu, S. S., David, S. A., and DebRoy, T.: Effect of fluid flow on coarsening in low-alloy steel welds, presented in 78^th American Welding Society Convention, Los Angeles, California, April 1997.

11. Babu, S. S., David, S. A., Vitek, J. M., and Miller, M. K.: Atom probe field ion microscopy of single crystal Ni-base superalloy welds, presented in 78^th American Welding Society Convention, Los Angeles, California, April 1997

12. Babu S. S., Reidenbach, F., David, S. A., Böllinghaus,^,T., and Hoffmeister, H.: Effect of high energy density welding processes on inclusion and microstructure formation in low alloy steel welds, presented in 79^th American Welding Society Convention, Detroit, Michigan, April 1998.

13. Babu, S. S., David, S. A, ClarK, M. D. and Edwards G. R: Inclusion and microstructure evolution in high strength steel welds, presented in 79^th American Welding Society Convention, Detroit, Michigan,, April 1998.

14. Babu, S. S., David, S. A., and DebRoy, T.: Inclusion formation in low-alloy steel welds, presented at Intl. Conference on Trends in Welding Research, Pine Mountain, Georgia, 1-5 June 1998.

15. Babu, S. S., David, S. A., Vitek, J. M., and Miller, M. K.: Atom probe field-ion microscopy investigation of Ni-base superalloy welds, presented at Intl. Conference on Trends in Welding Research, Pine Mountain, Georgia, 1-5 June 1998.

16. Babu, S. S., David, S. A, and Evans, G. M.: Inclusions and microstructure formation in titanium containing low alloy steel welds, presented in 80^th American Welding Society Convention, St. Louis, Missouri, April 1999.

17. Babu, S. S., David, S. A, Vitek, J. M., and Reed, R. W.: Characterization and modeling of microstructure development in aluminum alloy welds, presented in 80^th American Welding Society Convention, St. Louis, Missouri, April 1999.

18. Babu, S. S., David, S. A., Quintana, M., and McLane, J.: Microstructure development in self-shielded flux cored arc welds, presented in 80^th American Welding Society Convention, St. Louis, Missouri, April 1999.

19. Babu, S. S., Riemer, B. W., Santella, M. L., and Feng, Z.: Integrated thermal-microstructure model to predict the property gradients in resistance spot steel welds, presented at Sheet Metal Welding Conference VIII, Paper #5-2, Detroit, MI, Oct 13-16, 1998.

20. Babu S. S.: Use of APFIM and the importance of thermodynamic and kinetic modeling techniques for studying non-equilibrium partitioning in Ni-base superalloy welds, workshop on Microscopy and Microanalysis for Phase Transformation Studies, May 30 - June 1, 1999, at Hotel Uminonakamichi, Fukuoka, Japan.

21. Babu S. S., David, S. A., and Vitek, J. M.: “Thermo-Chemical-Mechanical Effects on Microstructure Development in Low Alloy Steel Welds,” presented in an International Conference on “Solid to Solid Phase Transformations 99,” Kyoto, Japan, 1999.

22. Babu S. S., David, S. A., Vitek, J. M., and Miller M. K.: Characterization and Modeling of Microstructure Development in Nickel-base Superalloy Welds, of second International conference on Joining of Advanced and Specialty Materials, 1999.

23. Babu, S. S., David, S. A., Vitek, J. M., and Miller, M. K., “Precipitation of g´ from g during the weld thermal cycle: Recent results of APFIM characterization and modeling,” Advanced Technologies for Superalloy Affordability Conference, Nashville, Tennessee, USA, 2000.

24. Babu, S. S., Vitek, J. M., and David, S. A., Prediction of heat-treatment effects using computational thermodynamic and kinetic models, presented at HTS-Show 2000, St. Louis, October, 2000.

25. Babu, S. S., Integrated Process Modeling of Resistance Spot Welds, Invited Talk, Departamento de Ciencia dos Materiais e Metalurgia (Department of Materials Science and Metallurgy) at Pontificia Universidade Catolica Do Rio de Janeiro (PUC-Rio), March, 2001

26. David, S. A., and Babu, S. S. Nickel base superalloy welding, Invited Talk, Departamento de Ciencia dos Materiais e Metalurgia (Department of Materials Science and Metallurgy) at Pontificia Universidade Catolica Do Rio de Janeiro (PUC-Rio), April, 2001

27. S. S. Babu, J. W. Elmer, S. A. David, M. Quintana, "In-stu TRXRD observation of microstructure development in self-shielded flux cored arc weld deposits," MAX International, Cleveland, May, 2001.

28. S. S. Babu, J. W. Elmer, S. A. David and M. A. Quintana, “Nonequilibrium solidification in a Fe-C-Al-Mn Low-Alloy steel weld: Time-Resolved X-ray diffraction study using Synchrotron Radiation, MAX International, Chicago, March, 2002.