Mechanistic Modeling of Dwell Fatigue Crack Growth in P/M Superalloys – Cohesive Zone Approach, Material Section, Wright Patterson Air Force Base OH, December 9, 2010.
Modeling of Planar Fracture in Near α Titanium Alloys using the Cohesive Zone Concept, Ecole Nationale Superieure de Mechanique et d’Aerotechnique, Poitiers, France, November 14, 2002.
Fatigue Crack Growth Mechanisms in Near Alpha Titanium Alloys, Ecole Nationale Superieure de Mechanique et d’Aerotechnique, Poitiers, France, July 17, 1999.
Interface Debonding In Titanium Metal Matrix Composites, Office National D’Etudes et de Recherches Aerospatiales (ONERA), Paris, France, January 11, 1997.
Processing-Damage Link in Titanium Metal Matrix Composites, Office National D’Etudes et de Recherches Aerospatiales (ONERA), April 20, 1996.
High Temperature Fatigue Crack Growth Mechanisms in Metal Matrix Composites, Rensselear Polytechnic Institute, Department of Mechanical Engineering, Aeronautical Engineering and Mechanics, Troy, New York, April 21, 1995.
Crack Growth Mechanisms in Titanium Metal Matrix composites, Office National D’Etudes et de Recherches Aerospatiales (ONERA), Paris, France, March 28, 1995.
High Temperature Fatigue Crack Growth Damage Mechanisms in Metal Matrix Composites, University of Connecticut, Department of Metallurgy, April 13, 1994.
Environmental-Dominated Crack Growth Behavior in Superalloys at Elevated Temperature, University of Rhode Island, Department of Mechanical Engineering, November 24, 1992.
Environmental-Dominated Crack Growth Behavior in Superalloys at Elevated Temperature, NortheasternUniversity, Department of Mechanical Engineering Research Colloquium Series (broadcast live over Network Northeastern), May 1, 1992.
Environmental Assisted Crack Growth Behavior in Alloy 718 and Near-α Ti-1100, Structural and Materials Groups, United Technologies, East Hartford CT, 1990.
Environmental Thermomechanical Crack Growth Behavior in Ni-Based Superalloys, Pratt & Whitney, Materials Groups, United TechnologiesResearchCenter, East Hartford CT, December 8, 1986.
Aspects of Fatigue Damage in Polycrystalline Solids, University of Waterloo, Department of Mechanical Engineering, Waterloo, Canada, January 1986.
Rolling Contact Damage Mechanisms, TechnicalUniversity of Nova Scotia, Department of Metallurgy, Halifax, Canada, July 12, 1985.
Probabilistic Description of Fatigue Crack Growth, University of Toronto, Department of Mechanical Engineering, Toronto, Canada, July 10, 1985.
Rolling Contact Damage Mechanisms, University of Rhode Island, Department of Mechanical Engineering and Applied Mechanics, April 14, 1985.
Stochastic Fatigue Crack Initiation and Propagation, Bolling Air Force Base, WashingtonD.C., December 1982.
Aspects of Fatigue Failure in Solids, University of Rhode Island, Department of Mechanical Engineering and Applied Mechanics, December 1980.
Fatigue Resistance Modelling for Polycrystalline Solids, University of Wyoming, Department of Mechanical Engineering, December 1980.
Crack Initiation and Propagation Mechanisms, University of Rochester, Mechanical Engineering Department, April 1980.