| George M. Pharr |
| Collaborating Professor of UT, Knoxville and ORNL | ||
| Specializes in: |
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Materials Science | |
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Dep. Mater. Sci. & Eng., University of Tennnessee, Knoxville (and) Metal & Ceramic Div., Oak Ridge National Laboratory, Oak Ridge |
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Phone: 865-576-7245 (ORNL), 865-974-8202 (UT) | |
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Fax: 865-574-7659 (ORNL), 865-974-4115 (UT) | |
| pharrgm@ornl.gov | ||
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Biography: [Education] 1979 Ph.D., Materials Science and Engineering, Stanford University 1977 M.S., Materials Science and Engineering, Stanford University 1975 B.S., Mechanical Engineering, Rice University [Experience] - Professor of Materials Science and UT/ORNL Collaborating Scientist, Department of Materials Science and Engineering, The University of Tennessee, & Metals and Ceramics Division, Oak Ridge National Laboratory (1998-Present) - Professor of Materials Science, Rice University, Houston, TX (1980-1998) - Visiting Scientist, Oak Ridge National Laboratory (sabbatical leave) (1994-1996) - Affiliate/Consultant, Los Alamos National Laboratory (1987-1992) - Visiting Scientist, IBM Thomas J. Watson Research Center (sabbatical leave) (1987-1988) - Consultant, Sandia National Laboratory (1981-1986) [Awards and Honors] - 2001, University of Tennessee Science Alliance Award for Research Achievement - 2001, Paper published in 1992 selected by ISI as "Citation Classic" - 1995 Fellow, ASM International - 1994 Amoco Teaching Award, Rice University - 1985 Rice University Young Alumni Achievement Award - 1984 ASM Bradley Stoughton Award for Young Teachers of Metallurgy - 1984 IBM Faculty Development Award, Rice University - 1984 Exxon Faculty Development Award, Rice University - 1977 Hertz Foundation Fellow [Activities] - 2000 Chair, 2000 Gordon Research Conference on Thin Film Mechanical Behavior - 2000 Volume Editor, MRS Bulletin - 1998 Co-Chair, 1998 Gordon Research Conference on Thin Film Mechanical Behavior - 1995 Chair, Spring Meeting of the Materials Research Society - 1990-present Associate Editor, Journal of the American Ceramic Society - 1989-1991 Board of Directors, Sigma Xi, Houston Chapter - 1982-1984 Executive Committee, ASM, Houston Chapter - Organized and chaired numerous technical symposia at professional society meetings. - Registered professional engineer (Texas #59094). * [Selected Publications on Indentation-Induced Phase Transformation] - G.M. Pharr, W.C. Oliver and D.R. Clarke, Hysteresis and Discontinuity in the Indentation Load-Displacement Behavior of Silicon, Scripta Metallurgica 23, p. 1949 (1989). - R.F. Cook and G.M. Pharr, Direct Observation and Analysis of Indentation Cracking in Glasses and Ceramics, Journal of the American Ceramic Society 73, pp. 787- 818 (1990). - G.M. Pharr, W.C. Oliver and D.R. Clarke, The Mechanical Behavior of Silicon During Small-Scale Indentation, Journal of Electronic Materials 19, pp. 881-887 (1990). - G.M. Pharr, W.C. Oliver, and D.S. Harding, New Evidence for a Pressure-Induced Phase Transformation During the Indentation of Silicon, Journal of Materials Research 6, pp. 1129-1130 (1991). - G.M. Pharr, W.C. Oliver, R.F. Cook, P.D. Kirchner, M.C. Kroll, T.R. Dinger, and D.R. Clarke, Electrical Resistance of Metallic Contacts on Silicon and Germanium During Indentation, Journal of Materials Research 7, pp. 961-972 (1992). - G.M. Pharr, The Anomalous Behavior of Silicon During Nanoindentation, in Thin Films: Stresses and Mechanical Properties III, edited by W.D. Nix, J.C. Bravman, E. Arzt, and L.B. Freund, Materials Research Society, Pittsburgh, pp. 301-312 (1992) (also referenced as Materials Research Society Symposium Proceedings 239, pp. 301-312 (1992)). - J.C. Morris, G.M. Pharr, and D.L. Callahan, Preparation of Microindentations in Cross-Section, in Specimen Preparation for Transmission Electron Microscopy III, edited by R. Anderson, B. Tracy, and J. Bravman, Materials Research Society, Pittsburgh (1992) (also referenced as Materials Research Society Symposium Proceedings 254 (1992)). [Other Selected Publications] (Journals) - J.G. Swadener, E.P. George, and G.M. Pharr, The Correlation of the Indentation Size Effect Measured with Indenters of Various Shape, in press, Journal of Mechanics and Physics of Solids. - J.-Y. Rho, P. Zioupos, J.D. Currey, and G.M. Pharr, Microstructural Elasticity and Spatial Heterogeneity in Human Bone with Age and Time Examined by Nanoindentation, in press, Journal of Biomechanics. - J.G. Swadener and G.M. Pharr, Indentation of Anisotropic Elastic Half Spaces with Rigid Cones and Parabolas of Revolution, Philosophical Magazine A 81, pp. 447-466 (2001). - J.G. Swadener, B. Taljat, and G.M. Pharr, Measurement of Residual Stress by Load and Depth Sensing Indentation with Spherical Indenters, Journal of Materials Research 16, pp. 2091-2102 (2001). - J.G. Swadener, J.-Y. Rho, and G.M. Pharr, Effects of Anisotropy on Elastic Moduli Measured by Nanoindentation in Human Tibial Cortical Bone, Journal of Biomedical Materials Research 57, pp. 108-112 (2001). - J.C. Hay, A. Bolshakov, and G.M. Pharr, A Critical Examination of the Fundamental Relations Used in the Analysis of Nanoindentation Data, Journal of Materials Research 14, pp. 2296-2305 (1999). - A. Bolshakov and G.M. Pharr, Influences of Pile-up on the Measurement of Mechanical Properties by Load and Depth Sensing Indentation Techniques, Journal of Materials Research. 13, pp. 1049-1058 (1998). - G.M. Pharr, Measurement of Mechanical Properties by Ultra-low Load Indentation, Materials Science and Engineering A 253, 151-159 (1998). - G.M. Pharr, D.L. Callahan, S.D. McAdams, T.Y. Tsui, S. Anders, A. Anders, J.W. Ager III, I.G. Brown, C.S. Bhatia, S.R.P. Silva, and J. Robinson, Hardness, Elastic Modulus, and Structure of Very Hard Carbon Films Produced by Cathodic-Arc Deposition with Substrate Pulse Biasing, Applied Physics Letters 68, pp. 779-781 (1996). - T.Y. Tsui, W.C. Oliver, and G.M. Pharr, Influences of Stress on the Measurement of Mechanical Properties Using Nanoindentation: I. Experimental Studies in an Aluminum Alloy, Journal of Materials Research. 11, pp. 752-759 (1996). - G.M. Pharr, W.C. Oliver, and F.R. Brotzen, On the Generality of the Relationship Among Contact Stiffness, Contact Area, and Elastic Modulus During Indentation, Journal of Materials Research 7, pp. 613-617 (1992). - W.C. Oliver and G.M. Pharr, An Improved Technique for Determining Hardness and Elastic Modulus Using Load and Displacement Sensing Indentation Experiments, Journal of Materials Research 7, pp. 1564-1583 (1992). - G.M. Pharr and M.F. Ashby, On Creep Enhanced by a Liquid Phase, Acta Metallurgica 31, pp. 129-138 (1983). (Book Chapters) - J.-Y. Rho and G.M. Pharr, Nanoindentation Testing of Bone, book chapter in Mechanical Testing of Bone and the Bone-Implant Interface, edited by Y.H. An and R.H. Draughn, pp. 257-269, CRC Press, Boca Raton, FL (2000). - J.L. Hay and G.M. Pharr, Instrumented Indentation Testing, book chapter in ASM Handbook Volume 8: Mechanical Testing and Evaluation (10th edition), edited by H. Kuhn and D. Medlin, pp. 232-243, ASM International, Materials Park, OH (2000).
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