Kevin J. HemkerDepartment Chair Mechanical Engineering Secondary Appointment: Materials Science and Engineering, Earth and Planetary Sciences http://www.me.jhu.edu/ () Latrobe 223 (office) 410-516-4489 (office) 410-516-8284 (lab) 410-302-2259 (other) hemker@jhu.edu (primary) Staff Contact: Deana Santoni dsantoni@jhu.edu 410-516-6451 |
Education
| Ph.D. 1990, Stanford University |
| M.S. 1987, Stanford University |
| B.S. 1985, University of Cincinnati |
Experience
| 2011: Alonzo G. Decker Chair of Mechanical Engineering, Whiting School of Engineering, Johns Hopkins University |
| 2007: Chair of Mechanical Engineering, The Johns Hopkins University |
| 2001: Professor of Mechanical Engineering, The Johns Hopkins University |
| 2001-2007: Program Chair, Mechanical Engineering, EPP WSE JHU |
| 2002-2003: Interim Director, Center for Advanced Metallic and Ceramic Systems (CAMCS), Johns Hopkins Univerisity, 2002-2003. |
| 2001-2001: Invited Professor, Institut Galilee, Universite Paris-13 |
| 1997-2001: Associate Professor of Mechanical Engineering, The Johns Hopkins University |
| 1993-1997: Assistant Professor of Mechanical Engineering, The Johns Hopkins University |
| 1995-1995: Invited Professor, Ecole Polytechnique Federale |
| 1990-1993: Postdoctoral Fellow, Ecole Polytechnique Fédérale de Lausanne Switzerland, Institut Genie Atomique/Department of Physics |
| 1985-1990: Research Assistant to Professor W.D. Nix, Department of Materials Science and Engineering, Stanford University |
| Traditional interests include: high temperature mechanical behavior, transmission electron microscopy, deformation behavior of intermetallic alloys, experimental characterization of dislocation core structure, and microsample testing. |
| Research aimed at identifying the microstructural details that govern the macroscopic mechanical response of metals, alloys and advanced structural materials. |
| Relatively new research topics include the characterization and modeling of bond coat layers for thermal barrier coatings, deformation behavior of nanocrystalline materials, and characterization of materials for MEMS applications. |
Journal Articles
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Tang, F., Gianola, D.S., Moody, M.P., Hemker, K.J., Cairney, J.M. (2012). Observations of grain boundary impurities in nanocrystalline Al and their influence on microstructural stability and mechanical behaviour. Acta Materialia. 60. 1038-1047. DOI » |
| Funk, M., Ma, K., Eberl, C., Schoenung, J., Goeken, M., Kemker, K. (2011). High Temperature Mechanical Behavior of End-of-life Cryomilled NiCrAlY Bond Coat Materials. Metallurgical and Materials Trans. |
| Kim, C., Sharpe, J., Hemker, K. (2011). An Optical Method or Strain Controlled Fatigue Testing of Microspecimens. Experimental Mechanics (in press). |
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Eberl, C., Gianola, D., Wang, X., He, M., Evans, A., Hemker, K. (2011). In Situ Measurement of the Toughness of the Interface Between a Thermal Barrier Coating and a Ni Alloy. Journal American Ceramics Society. DOI » |
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Sharon, J.A., Su, P.C., Prinz, F.B., Hemker, K.J. (2011). Stress-driven grain growth in nanocrystalline Pt thin films. Scripta Materialia. 64(1). 25-28. DOI » View record in Web of Science SM |
Conference Proceedings
| , . " “Development of Ni-Al Superalloys for High Temperature MEMS Materials”, Burns, Zhang, Teutsch, Perez-Bergquist, Bade, Pollock, Aktaa, HemkerMechanical Behavior and Active Deformation Mechanisms in Thin Film Mg, Sharon, Legros, Zhang, Hemker", Materials Research Society Fall Meeting, Nov-11. |
| , . " “Small-scale mechanical testing of space-exposed fluorinated ethylene propylene film obtained from the Hubble Space Telescope”, Jones, Sharon, Mohammed, Hemker", AeroMat 2011 Conference and Exposition, Jun-11. |
| , . "“Effect of strain rate and dislocation density on the twinning behavior in Tantalum”. Florando, McNaney, LeBlanc, Kumar, Chen, Ramesh, Hemker", APS International Conference on Shock Compression of Condensed Matter, Jun-11. |
| , ., Solar Probe Plus Mission Design Review Peer Review, Jul-11. |
| , . " “Adhesion of an Optically White Coating to a Carbon-Carbon Substrate for Solar Probe Plus”, Congdon, Hemker, Mehoke", Conference on Composites, Materials, and Structures, Jan-11. |
Awards & Honors
| 2010: Member, DARPA Defense Sciences Research Council (DSRC). |
| 2010: Member, DARPA Defense Sciences Research Council (DSRC). |
| 2009: Elected Fellow of American Society of Mechanical Engineers (ASME) |
| 2009: Member, Tau Beta Pi |
| 2009: Member, Alpha Sigma Mu |
| 2009: Fellow, American Society of Materials (ASM International) |
| 2010 - 2010: Member, Energy Materials Blue Ribbon Panel, convened by TMS, ASM and Energetics Inc. for DOE-EERE Office of Industrial Technologies. |
| 2009 - 2009: Co-chair, 2009 Gordon Research Conference on Physical Metallurgy (elected) |
| 2007 - 2007: McMaster Manufacturing Research Institute - Ontario Centres of Excellence Distinguished Lecturer, McMaster University. |
| 2001 - 2001: Materials Science Research Silver Medal, American Society of Materials (ASM) |
| 1994 - 1994: NSF National Young Investigator, Division of Materials Research, Metals Research Program |
| 1994 - 1994: NSF Research Initiation Award, Directorate for Engineering, Mechanics and Materials Program |
| 1990 - 1990: Society of Advanced Manufacturing and Process Engineers Graduate Scholar |
| 1985 - 1985: Herman Schneider Medal (Top graduate: University of Cincinnati-College of Engineering) |
| 1983 - 1983: American Society of Metals National Scholar |
Presentations
| Use of high-energy x-ray diffraction experiments and detailed computational analyses for understanding multiscale phenomena, Argonne National Laboratory: “In Situ Characterization of Stress-Coupled Grain Boundary Migration", Rottmann, Sharon, Miller, Hemker, October 17, 2011 |
| Nanomechanical Testing in Materials Research and Development, Lanzarote, Canary Islands, Spain: “Topology optimization, fabrication, and characterization of 3D microscale materials”, Hemker, Guest, Weihs, Sharp, Bogdanovich, Dunand, Voorhees, Heuer, Fonda, Geltmacher (invited), October 10, 2011 |
| DARPA Materials with Micro-scale Controlled Architectures (MCMA) Review: “Topology optimization, fabrication, and characterization of 3D microscale materials”, Hemker, Guest, Weihs, Sharp, Bogdanovich, Dunand, Voorhees, Heuer, Fonda, Geltmacher (invited), September 8, 2011 |
| Exxon/Mobil Research and Engineering Center, Annandale, NJ: “Experimental Insight into the Micro-scale Mechanical Behavior of Layered Systems”, September 6, 2011 |
| Navy Cellular and High Temperature Propulsion Materials Program Review, Charleston SC: “Micro-scale experiments for characterizing constituent TBC properties”, Hemker (invited), May 23, 2011 |
| TMS Annual Meeting, San Diego CA: “Micro-scale investigations of interfacial delamination in thermal protection systems”, Burns, Teutsch, Suresha, Johnson, Bade, Aktaa, Pollock, Hemker (invited), “Deformation twinning in Tantalum”. Chen, Ramesh, Hemker, Kumar, Florando, February 27, 2011 |
| Physics, Chemistry, and Nanosciences Colloquium, Sandia National Laboratory, Albuquerque NM, December 2010. “From Atoms to Airplanes; Uncovering the Mechanical Behavior of Materials”., December 15, 2010 |
| Materials Research Society Fall Meeting, Boston, MA: “Towards the Development of Ni-base Superalloys as High Temperature MEMS Materials”, Burns, Teutsch, Suresha, Johnson, Bade, Aktaa, Pollock, Hemker. (invited), November 29, 2010 |
| Materials Research Society Fall Meeting, Boston, MA: “Development of Ni-Al Superalloys for High Temperature LIGA MEMS Materials”, Burns, Teutsch, Bade, Aktaa, Hemker., November 29, 2010 |
| Materials Research Society Fall Meeting, Boston, MA: “In-situ observations of stress induced microstructural evolution in thin films”, Sharon, Schuster, Hemker, November 29, 2010 |
| Materials Science & Technology Conference & Exhibition, Houston, TX: “An Investigation of Naocrystalline thin Film Bahavior thourgh Micro-tensile Techniques”, Sharon, Hemker, October 16, 2010 |
| Materials Science & Technology Conference & Exhibition, Houston, TX: “Experimental Insight into the Micro-scale Mechanical Behavior of Layered Thermal Barrier Coatings”, Wang, Eberl, Gianola, Hemker. (invited), October 16, 2010 |
| Dept of Energy, Mechanical Behavior of Materials Workshop, Rockville VA: “Stress coupled grain boundary migration in nanocrystalline metals”, Hemker. (invited), September 15, 2010 |
| Evans Symposium, Santa Barbara, CA: “Experimental Insight into the Micro-scale Mechanical Behavior of Layered Systems”, Hemker. (invited), September 7, 2010 |
| Gordon Research Conference: This Film and Small Scale Mechanical Behavior, Colby College Maine: “Micro-scale characterization of the Mechanical Behavior of Thermal Barrier Coatings”, Pandey, Hemker, July 26, 2010 |
| Gordon Research Conference: This Film and Small Scale Mechanical Behavior, Colby College Maine: “Development of MEMS Ni-base superalloys”, Burns, Hemker, July 26, 2010 |
| Gordon Research Conference: This Film and Small Scale Mechanical Behavior, Colby College Maine: “Stress coupled grain boundary migration in nanocrystalline thin films”, Sharon, Hemker, July 26, 2010 |
| Defense Science Research Council Summer Workshop Santa Cruz, CA: “From Atoms to Airplanes; Understanding the Mechanical Behavior of Materials”, Hemker (Invited), July 12, 2010 |
| American Ceramics Society Leadership Conference, Baltimore MD: “Linking Transformational Materials and Processing for an Energy Efficient and Low-Carbon Economy: Creating the Vision and Accelerating Realization”, Hemker. (invited), June 1, 2010 |
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Navy Cellular and High Temperature Propulsion Materials Program Review, National Academy of Sciences, Woods Hole MA, May 2010; “Micro-scale experiments for characterizing constituent TBC properties”, Hemker. (invited)
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Departmental Seminar, Department of Materials Science and Engineering, Northwestern University, Evanston IL ; “Uncovering the mechanical behavior of materials for MEMS and nanocrystalline metals”.
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Departmental Seminar, Deptartment of Materials Science and Engineering, Arizona State University, Tempe AZ ; “Uncovering the mechanical behavior of materials for MEMS and nanocrystalline metals”.
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Departmental Seminar, Department of Materials Science and Engineering, Carnegie Mellon University, Pittsburgh PA ; “Uncovering the mechanical behavior of materials for MEMS and nanocrystalline metals”.
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| Conference on Advanced High-Temperature and High-Strength Structural Materials (HTHSSM), The Hong Kong Polytechnic University, Hong Kong: “Characterization and Modeling of Layered Thermal Barrier Coatings”, Hemker, Evans (Invited), October 5, 2009 |
| 30th Risø International Symposium on Materials Science: Nanostructured metals – Fundamentals to applications, Risoe DTU - National Laboratory for Sustainable Energy, Roskilde, Denmark: “Experimental measurements of mechanical response in micro- and nano-scale materials”, Hemker, Sharpe (Invited plenary), September 1, 2009 |
| International Conference on the Strength of Metals and Alloys (ICSMA-15), Dresden Germany: "Interfacial delamination in layered thermal barrier coatings”, Hemker, August 18, 2009 |
| Gordon Research Conference on Physical Metallurgy, Holderness, NH: “Micro-scale experiments for characterizing constituent TBC properties”, Hemker on behalf of Evans. (invited), July 27, 2009 |
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Navy Cellular and High Temperature Propulsion Materials Program Review, National Academy of Sciences, Woods Hole MA: "Micro-scale experiments for characterizing constituent TBC properties”, Hemker (invited), May 15, 2009 |
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Navy Cellular and High Temperature Propulsion Materials Program Review, National Academy of Sciences, Woods Hole MA: “Micro-scale experiments for characterizing constituent TBC properties”, Hemker (invited), May 4, 2009 |
| Advance Materials and Failure Analysis Workshop, Sunnyvale, CA: “Microscale Characterization of Mechanical Properties”, Hemker, Sharpe (invited plenary), April 1, 2009 |
| TMS Annual Meeting, San Francisco, CA: “Mechanical behavior of nanocrystalline thin films”, Gianola, Gan, Rupert, Sharon, Hemker (invited) and “Thermal stability of LIGA Nickel composites for high-temperature MEMS applications”, Suresha, Haj-Taieb, Aktaa, Hemker, February 15, 2009 |
| 33rd Annual Conference on Composites, Materials, and Structures, USACA--ITAR Restricted, Cocoa Beach, FL, Jan. 25-29, 2009, January 25, 2009 |
| Nano Nickel Composites for High-Temperature LIGA/MEMS-Applications 2008 Materials Research Society Fall Meeting. Boston, MA. 2008-12-00., November 30, 2008 |
| Stress-coupled Grain Boundary Migration in Nanocrystalline Thin Films 2008 Materials Research Society Fall Meeting. Boston, MA. 2008-12-00. (Invited), November 30, 2008 |
| Characterization of yttria stabilized zirconia thermal barrier coatings with micro-bending experiments 2008 ASME International Mechanical Engineering Congress. Boston MA. 2008-11-00. (Invited), October 31, 2008 |
| Observations of grain growth and plasticity in nc-Al films Conference International Workshop on the Plasticity of Nanocrystalline Metals. Lake Bostal, Germany. 2008-09-00. (Invited), August 31, 2008 |
| Investigation of Grain Growth in Nanocrystalline Metallic Thin Films Gordon Research Conference: This Film and Small Scale Mechanical Behavior. Colby College, Maine. 2008-07-00., June 30, 2008 |
| Stress-coupled grain boundary migration in nanocrystalline materials Gordon Research Conference: This Film and Small Scale Mechanical Behavior. Colby College, Maine. 2008-07-00. (Invited), June 30, 2008 |
| In situ micro-scale experiments for measuring the elastic properties and interfacial toughness of TBC’s International Conference on Heterogeneous Materials Mechanics. Huangshan, China. 2008-06-00. (Invited), May 31, 2008 |
| In situ observations of stress-assisted grain growth in nanocrystalline aluminum films International Workshop on In Situ Electron Microscopy in Advanced Materials Research. Institute of Physics, Chinese Academy of Sciences, Beijing, China. 2008-06-00. (Invited), May 31, 2008 |
| Interfacial delamination in layered thermal barrier coatings 7th International Workshop on Interfaces: New Materials via Interfacial Control. Santiago de Compostela, Spain. 2008-06-00., May 31, 2008 |
| Knowledge Oriented Materials Engineering of Layered Thermal Barrier Systems 2008 AFOSR High Temperature Aerospace Materials Review. Washington, DC. 2008-05-00. (Invited), April 30, 2008 |
| Micro-scale experiments for characterizing constituent TBC properties 2008 Navy Cellular and High Temperature Propulsion Materials Program Review. National Academy of Sciences, Woods Hole, MA. 2008-05-00. (Invited), April 30, 2008 |
| Stress coupled grain boundary migration in nanocrystalline metals 2008 DOE Mechanical Behavior of Materials Workshop. Arlie, VA. 2008-04-00. (Invited), March 31, 2008 |
| Mechanical behavior of materials for MEMS and nanocrystalline metals . 1. Dept. of Materials Science and Engineering, University of Virginia, Charlottesville, VA. 2008-03-00. (Invited), February 29, 2008 |
| Characterizing Interfacial Delamination in Layered Thermal Barrier Coatings TMS Annual Meeting. Orland, FL. 2008-02-25. (Invited), February 25, 2008 |
| Micro-bending experiments to characterize the elastic properties and interfacial toughness of yttria stabilized zirconica top coats TMS Annual Meeting. Orlando, FL. 2008-02-25. (Invited), February 25, 2008 |
| Micro-tensile Testing of Materials for MEMS and Nanocrystalline Thin Films TMS Annual Meeting. Orlando, FL. 2008-02-25., February 25, 2008 |
| New Techniques for the Characterization of Expansion in Thermal Barrier Coatings TMS Annual Meeting. Orlando, FL. 2008-01-25., January 25, 2008 |
| MEANS-II Knowledge Oriented Materials Engineering of Layered Thermal Barrier Coatings ONR/AFOSR Workshop on Thermal Barrier Coatings. Santa Barbara, CA. 2008-01-00. (Invited), December 31, 2007 |
| Optical measurement of bond coat and superalloy CTE values ONR/AFOSR Workshop on Thermal Barrier Coatings. Santa Barbara, CA. 2008-01-00., December 31, 2007 |
| “Small-scale research activities at JHU” World Premier Institute (WPI) Inauguration. Tohoku University, Sendai, Japan. 2007-11-00. (Invited), October 31, 2007 |
| “Experiments on grain boundary dominated materials” NSF-EU Workshop on Small-scale Plasticity. Braunwald, Switzerland. 2007-09-00. (Invited), August 31, 2007 |
| “A collaborative effort to model intrinsic TBC delamination” Second International ECI Conference on Thermal Barrier Coatings. Irsee, Germany. 2007-08-00. (Invited), July 31, 2007 |
| “In situ measurements of the Young’s modulus strain dependence and interface crack propagation in columnar thermal barrier coating systems” Second International ECI Conference on Thermal Barrier Coatings. Irsee, Germany. 2007-08-00., July 31, 2007 |
| “Thermal Expansion Measurements on Various Bond Coat and Superalloy Systems by Digital Image Correlation” Second International ECI Conference on Thermal Barrier Coatings. Irsee, Germany. 2007-08-00., July 31, 2007 |
| “Partial dislocations” Centre International de Science Mechanics (CISM), Summer School on Generalized continua and dislocation theory. Udine, Italy. 2007-07-09. (Invited), July 9, 2007 |
| “Transmission electron microscopy” Centre International de Science Mechanics (CISM), Summer School on Generalized continua and dislocation theory. Udine, Italy. 2007-07-09. (Invited), July 9, 2007 |
| “Characterization of dislocations with weak-beam TEM and HREM” Centre International de Science Mechanics (CISM), Summer School on Generalized continua and dislocation theory. Udine, Italy. 2007-07-09. (Invited), July 9, 2007 |
| “Measuring and modelling critical resolved shear stresses” Centre International de Science Mechanics (CISM), Summer School on Generalized continua and dislocation theory. Udine, Italy. 2007-07-09. (Invited), July 9, 2007 |
| “Micro-scale mechanical testing" Centre International de Science Mechanics (CISM), Summer School on Generalized continua and dislocation theory. Udine, Italy. 2007-07-09. (Invited), July 9, 2007 |
| “Observations of dislocations” Centre International de Science Mechanics (CISM), Summer School on Generalized continua and dislocation theory. Udine, Italy . 2007-07-09. (Invited), July 9, 2007 |
| “Plasticity in nanocrystalline metals” Centre International de Science Mechanics (CISM), Summer School on Generalized continua and dislocation theory. Udine, Italy. 2007-07-09. (Invited), July 9, 2007 |
| “Thermal stability of electrodeposited LIGA Ni-W alloys for high temperature MEMS applications” International Conference on High Aspect Ratio Micro Structures. Paris, France. 2007-06-00., May 31, 2007 |
| “Thermal expansion measurements on coating materials by digital image correlation” Annual Conference and Exposition on Experimental and Applied Mechanics. . 2007-05-00., April 30, 2007 |
| “Determining the life of thermal barrier coatings” McMaster Manufacturing Research Institute and Ontario Centres of Excellence Distinguished Lecture Series. McMaster University, Hamilton, Candada. 2007-04-00. (Invited), March 31, 2007 |
| “Measuring the constitutive behavior of thermal barrier coatings”. Aircraft Engines. General Electric Corporation, Evendale OH. 2007-04-00. (Invited), March 31, 2007 |
| “Bcc Screw Dislocation: A Case Study in the Application of the Nye Tensor to Computer Simulations of Crystal Defects” TMS Annual Meeting. Orlando FL. 2007-02-25., February 25, 2007 |
| “Observation of the Microstructure and Mechanical Behavior and Two-Phase NiCoCrAIY Bond Coats” TMS Annual Meeting. Orlando FL. 2007-02-25. (Invited), February 25, 2007 |
| “Observations of Room Temperature Stress-Assisted Grain Growth in Nanocrystalline Al Thin Films” TMS Annual Meeting. Orlando, FL. 2007-02-25. (Invited), February 25, 2007 |
| “The High-Strain-Rate Deformations of Structural and Nanocrystalline Metals” TMS Annual Meeting. Orlando, FL. 2007-02-25. (Invited), February 25, 2007 |
| “Characterizing the mechanical behavior of MEMS and nanocrystalline metals” Workshop on Mechanical Behavior of Systems at Small Length Scales-2. Indian Institute of Science, Bangalore, India. 2007-02-04. (Invited), February 4, 2007 |
| “Characterizing the properties and performance of multilayered TBC” Workshop on Mechanical Behavior of Systems at Small Length Scales-2. Indian Institute of Science, Bangalore, India. 2007-02-04. (Invited), February 4, 2007 |
| “Characterizing small-scale and scale-specific properties of advanced materials” . Jack F. Welch Technology Centre, GE Global Research, Bangalore India. 2007-02-00. (Invited), January 31, 2007 |
| “Characterizing the mechanical behavior of MEMS and nanocrystalline metals” . Defense Metallurgical Research Laboratory, Indian Ministry of Defense, Hyderabad India. 2007-02-00. (Invited), January 31, 2007 |
| “Characterizing the properties and performance of multilayered TBC” . Defense Metallurgical Research Laboratory, Indian Ministry of Defense, Hyderabad India. 2007-02-00. (Invited), January 31, 2007 |
| “MEANS-II Knowledge Oriented Materials Engineering of Layered Thermal Barrier Coatings” ONR/AFOSR Workshop on Thermal Barrier Coatings . Santa Barbara CA. 2007-01-00. (Invited), December 31, 2006 |
| “Mechanical properties of TBC bond and top coats” ONR/AFOSR Workshop on Thermal Barrier Coatings. Santa Barbara CA. 2007-01-00., December 31, 2006 |
| “Optical measurement of bond coat and superalloy CTE values” ONR/AFOSR Workshop on Thermal Barrier Coatings. Santa Barbara CA. 2007-01-00., December 31, 2006 |
| Knowledge Oriented Materials Engineering of Layered Thermal Barrier Systems AFOSR Ceramic Materials Contractors’ Meeting. Washington, DC. 2006-11-00. (Invited), October 31, 2006 |
| Mechanical behavior of materials for MEMS and nanocrystalline metals Dept. of Materials Science and Engineering, University of Pennsylvania. Philadelphia, PA. 2006-11-00. (Invited), October 31, 2006 |
| Mechanical behavior of materials for MEMS and nanocrystalline metals Mechanics and Materials Group, Division of Engineering, Brown University. Providence, R.I.. 2006-11-00. (Invited), October 31, 2006 |
| Structure and Mechanical Properties of Oxidation Resistant Alloys ICMR Summer School on Advanced Thermostructural Materials. Santa Barbara CA. 2006-08-00. (Invited), July 31, 2006 |
| Characterization of Ru-modified alloys proposed for thermal barrier coating systems Gordon Research Conference on Physical Metallurgy. . 2006-07-00., June 30, 2006 |
| Microstructural evolution during thermal cycling of a NiCoCrAlY bond coat Gordon Research Conference on Physical Metallurgy. . 2006-07-00., June 30, 2006 |
| Stress assisted discontinuous grain growth and its effect on the deformation behavior of nanocrystalline aluminum thin films Gordon Research Conference on Thin Films. . 2006-07-00., June 30, 2006 |
| Characterization of two-phase NiCoCrAlY bond coats Pratt and Whitney Aircraft Engines. Hartford CT. 2006-06-00. (Invited), May 31, 2006 |
| Characterizing the mechanical behavior of materials for MEMS and nanocrystalline metals Institute of Metal Research, Chinese Academy of Sciences. Shenyang, China. 2006-06-00. (Invited), May 31, 2006 |
| Characterizing the mechanical behavior of materials for MEMS and nanocrystalline metals State Key Laboratory for Mechanical Behavior of Materials, Northwest Polytechnical University. Xi'an, China. 2006-06-00. (Invited), May 31, 2006 |
| Factors Effecting Room Temperature Stress-Assisted Grain Growth and the Mechanical Behavior of Nanocrystalline Al Thin Films International Conf. on Strength of Metals and Alloys (ICSMA-14). Xi'an, China. 2006-06-00., May 31, 2006 |
| Microstructural and Mechanical Properties Characterization of Two-phase Bond Coats for Thermal Barrier Systems International Conf. on Strength of Metals and Alloys (ICSMA-14). Xi’an, China. 2006-06-00., May 31, 2006 |
| Understanding the mechanical behavior of materials for MEMS and nanocrystalline metals Dept. of Materials Science. Peking University. 2006-06-00. (Invited), May 31, 2006 |
| The effect of thermal cycling on the microstructure and mechanical properties of two-phase NiCoCrAlY bond coats International Conf. on Metallurgical Coatings and Thin Films. San Diego CA. 2006-05-00. (Invited), April 30, 2006 |
| Understanding the behavior and performance of multilayered thermal barrier coatings Materials Science Seminars, Div. of Engineering, Harvard University. Cambridge, MA. 2006-04-00. (Invited), March 31, 2006 |
| Deformation Mechanisms in fine-grained niobium TMS Annual Meeting. San Antonio TX. 2006-03-00., February 28, 2006 |
| Experimental techniques for the characterization of thermal barrier coating bond coats TMS Annual Meeting. San Antonio TX. 2006-03-00., February 28, 2006 |
| High temperature microsample characterization of creep in ruthenium nickel-aluminide alloys TMS Annual Meeting. San Antonio TX. 2006-03-00., February 28, 2006 |
| Stress induced grain growth and its effect on the mechanical behavior of nanocrystalline Al thin films TMS Annual Meeting. San Antonio TX. 2006-03-00., February 28, 2006 |
| Experimental observations of nanoscale deformation and fracture mechanism National Center for Electron Microscopy, UC Berkeley. Berkley, CA. 2006-02-00. (Invited), January 31, 2006 |
| Formation of TGO on NiCoCrAlY Bond Coats ONR/AFOSR Workshop on Thermal Barrier Coatings. Santa Barbara CA. 2006-01-00., December 31, 2005 |
| MEANS-II Knowledge Oriented Materials Engineering of Layered Thermal Barrier Coatings ONR/AFOSR Workshop on Thermal Barrier Coatings. Santa Barbara CA. 2006-01-00. (Invited), December 31, 2005 |
| Measuring the Mechanical Behavior of MCoCrAlY Bond Coats ONR/AFOSR Workshop on Thermal Barrier Coatings. Santa Barbara CA. 2006-01-00., December 31, 2005 |
| Influence of Room Temperature Stress-Assisted Grain Growth on the Mechanical Behavior of Nanocrystalline Al Thin Films TMS Fall Meeting. Boston, MA. 2005-11-00., October 31, 2005 |
| Micron-Scale Plasticity in single crystalline Au and Mo TMS Fall Meeting. Boston, MA. 2005-11-00., October 31, 2005 |
| TEM and Auger analysis of the grain boundary chemistry in nanocrystalline Al thin films MRS Fall Meeting. Boston, MA. 2005-11-00., October 31, 2005 |
| Characterizing the mechanical behavior of materials for MEMS and nanocrystalline metals Dept. of Mechanical Engineering, University of Delaware. Newark, DE. 2005-09-00. (Invited), August 31, 2005 |
| Knowledge Oriented Materials Engineering of Layered Thermal Barrier Systems Dept. of Materials Science and Engineering, Ohio State University. Columbus, OH. 2005-09-00. (Invited), August 31, 2005 |
| Microscale Characterization of NiCrAlY coatings for High Strength High Conductivity Copper Alloys TMS Fall Meeting. Pittsburgh, PA. 2005-09-00., August 31, 2005 |
| Knowledge Oriented Materials Engineering of Layered Thermal Barrier Systems 2005 AFOSR Ceramic Materials Contractors’ Meeting. Sendei, AZ. 2005-08-00. (Invited), July 31, 2005 |
| Characterization of small-scale and scale-specific deformation and fracture in TBC bond coats, nanocrystalline Al and B4C Institute for Mechanics, Chinese Academy of Sciences. Beijing, China. 2005-07-00. (Invited), June 30, 2005 |
| Thermal Barrier Coatings for Aerospace and Power Generation Technologies International Conference on Materials Science and Engineering July 2005. Taiyuan, China. 2005-07-00., June 30, 2005 |
| Stress induced grain growth and its effect on the mechanical behavior of nanocrystalline aluminum thin film Materials Science and Engineering Laboratory, NIST. Gaithersburg, MD. 2005-06-00. (Invited), May 31, 2005 |
| TBC bond coat mechanical properties and microstructural evolution Pratt & Whitney Aircraft Engines. East Hartford, CT. 2005-06-00. (Invited), May 31, 2005 |
| In-Situ Peak Profile Analysis of Submicron Aluminum Thin Films Under Tension MRS Spring Meeting. San Francisco CA. 2005-05-00., April 30, 2005 |
| Gulliverian adventures in microsample tensile testing Dept. of Mechanical Engineering, University of Connecticut. Storrs, CT. 2005-04-00. (Invited), March 31, 2005 |
| MEANS2-NOMELT General Electric Transportation Workshop on TBC’s. Evandale, OH. 2005-04-00. (Invited), March 31, 2005 |
| Microstructural and Mechanical Property Characterization of Bond Coats for Thermal Barrier Coatings International Conf. on Metallurgical Coatings and Thin Films. San Diego, CA. 2005-04-00., March 31, 2005 |
| Presentation and Participation in Panel Session: Non-Deterministic Approaches Research for Engineering of Affordable Materials Non-Deterministic Approaches Forum, 46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics & Materials Conference. Austin, TX. 2005-04-00. (Invited), March 31, 2005 |
| Stress induced grain growth and its effect on the mechanical behavior of nanocrystalline aluminum thin films General Electric Corporation Global Research Center. Schenectady, NY. 2005-04-00. (Invited), March 31, 2005 |
| Introduction to Knowledge Oriented Materials Engineering of Layered Thermal Barrier Systems AFOSR MEANS-2 TBC Workshop. JHU, BAltimore, MD. 2005-03-00., February 28, 2005 |
| Influence of the bond coat properties in the degradation of Thermal Barrier Coatings TMS Annual Meeting. San Francisco, CA. 2005-02-00. (Invited), January 31, 2005 |
| Microsample tensile testing and characterization of nanocrystalline Al thin films TMS Annual Meeting. San Francisco, CA. 2005-02-00. (Invited), January 31, 2005 |
| Constitutive Behavior and Microstructure ONR Workshop on Thermal Barrier Coatings. Santa Barbara, CA. 2005-01-18. (Invited), January 18, 2005 |
| Determining the mechanical properties of bond coats with microsample testing ONR Workshop on Thermal Barrier Coatings. Santa Barbara, CA. 2005-01-18., January 18, 2005 |
| High temperature micro-mechanical characterization of NiRuAl ONR Workshop on Thermal Barrier Coatings. Santa Barbara, CA. 2005-01-18., January 18, 2005 |
| Constitutive Behavior of TBC Bond Coats AFOSR MEANS-2 Superalloy Workshop, Ohio State University. Columbus OH. 2005-01-00. (Invited), December 31, 2004 |
| Characterization of small-scale and scale-specific deformation and fracture in TBC bond coats, nanocrystalline Al and B4C Dept. of Materials Science and Engineering. University of Michigan, Ann Arbor, MI. 2004-11-00. (Invited), October 31, 2004 |
| The role of the Nye tensor in analyzing HREM images of bcc screw dislocations MRS Fall Meeting. Boston, MA. 2004-11-00., October 31, 2004 |
| Characterization of small-scale and scale-specific deformation in MEMS materials and nanocrystalline Al 5. Institutes for Materials Research and Microstructure Technology. Forschungszentrum Karlsruhe, Karlsruhe, Germany. 2004-09-00. (Invited), August 31, 2004 |
| Experimental characterization of nanostructured materials Max-Planck Research School for Advanced Materials. Stuttgart, Germany. 2004-09-00. (Invited), August 31, 2004 |
| Experimental Techniques for Scale-Specific Tension Testing of Aerospace Alloys TMS Fall Meeting. New Orleans, LA. 2004-09-00., August 31, 2004 |
| Experimental Techniques for Uncovering Deformation Mechanisms in Nanocrystalline Al Thin Films TMS Fall Meeting. New Orleans, LA. 2004-09-00., August 31, 2004 |
| Gulliverian Adventures in Microsample Tensile Testing DGM Materials Week. Munich, Germany Sept. 2004. 2004-09-00., August 31, 2004 |
| Micro-mechanical characterization of as-deposited bond coat layers in thermal barrier coating systems TMS Fall Meeting. New Orleans, LA. 2004-09-00., August 31, 2004 |
| Microsample Characterization of Coatings for GRCop-84 for High Temperature High Heat Flux Applications TMS Fall Meeting. New Orleans, LA. 2004-09-00., August 31, 2004 |
| Experimental determination of dislocation core structures 2004 AFOSR Metallic Materials Contractors’ Meeting. Evergreen, VA. 2004-08-00. (Invited), July 31, 2004 |
| Microsample Tensile Testing of Nanocrystalline Aluminum Thin Films US – South America Workshop on Mechanics and Advanced Materials 2004. Rio de Janeiro, Brazil. 2004-08-00., July 31, 2004 |
| Experimental measurements and observations of small-scale plasticity Multi-scale Modeling Workshop. Cambridge University, Cambridge, England. 2004-07-00. (Invited), June 30, 2004 |
| Experimental measurements of 2004 Physical Metallurgy Gordon Research Conference. Holderness, NH. 2004-07-00. (Invited), June 30, 2004 |
| Microsample Tensile Testing of Nanocrystalline Aluminum Thin Films 2004 Thin Films Gordon Research Conference. Colby College, Waterville, ME. 2004-07-00., June 30, 2004 |
| Microsample Tensile Testing of Structural Materials and Coatings 2004 Physical Metallurgy Gordon Research Conference. Holderness, NH. 2004-07-00., June 30, 2004 |
| Measuring the mechanical properties of TBC bond coats and TGO NSF/EU Workshop on Thermal Barrier Coatings. Stockholm, Sweden. 2004-06-00. (Invited), May 31, 2004 |
| Characterization of Small-scale and Scale-specific Deformation and Fracture Mechanisms Max-Planck-Institut fuer Metallforschung. Stuttgart Germany. 2004-05-00. (Invited), April 30, 2004 |
| Observations of Martensitic Transformations in TBC Bond Coats Institute for Materials. Ruhr-University Bochum. 2004-05-00. (Invited), April 30, 2004 |
| Measuring the mechanical properties of bond coats and thermally grown oxides 106th Annual Meeting of the American Ceramics Society. Indianapolis Indiana. 2004-04-00. (Invited), March 31, 2004 |
| Development of residual stresses in thermal barrier coatings as a result of bond coat plasticity and martensitic phase transformations TMS Annual Meeting. Charlotte NC. 2004-03-00. (Invited), February 29, 2004 |
| Experimental Characterization of Nanoscale Deformation Mechanisms Dept. of Materials and Science and Eng.. Virginia Tech., Blacksburg, VA. 2004-03-00. (Invited), February 29, 2004 |
| Constitutive Behavior of TBC Bond Coats ONR/NSF Workshop on Thermal Barrier Coatings. Santa Barbara CA. 2004-01-00. (Invited), December 31, 2003 |
| Measuring Mechanical Properties of Ruthenium Aluminide Bond Coats ONR/NSF Workshop on Thermal Barrier Coatings. Santa Barbara, CA. 2004-01-00., December 31, 2003 |
| Mechanical Testing and Structural Characterization of TBC Bond Coats ONR/NSF Workshop on Thermal Barrier Coatings. Santa Barbara, CA. 2004-01-00., December 31, 2003 |
| Microstructural Characterization and Mechanical Testing of Coatings for High Conductivity, High Strength Cu Alloys for Rocket Engines ONR/NSF Workshop on Thermal Barrier Coatings. Santa Barbara, CA. 2004-01-00., December 31, 2003 |
| Uncovering deformation mechanisims of nanostructured materials NSF Nano Science and Engineering Workshop. Washington D.C. . 2003-12-12. (Invited), December 12, 2003 |
| Martensitic transformations in a diffusion aluminide bond coat for commercially TBCs ASME World Congress and Exposition . Washington DC. 2003-11-15. (Invited), November 15, 2003 |
| Resilience of micro/nano materials for energy storage and power Committee on Nanotechnology for the Intelligence Community, National Research Council, National Materials Advisory Board. National Academy of Sciences Washington,DC . 2003-10-10. (Invited), October 10, 2003 |
| Failure Mechanisms in Thermal Barrier Coatings and ARmor Grade Boron Carbide Materials and Ceramics Engineering. Rutgers University. 2003-10-00. (Invited), September 30, 2003 |
| Identifying the role of phase transformations on the mechanical performance of barrier systems with an array of characterization Thirteenth International Conference on the Strength of Metals and Alloys. Budapest Hungary. 2003-08-25. (Invited), August 25, 2003 |
| Bond Coat Mechanical Properties and Microstructural Evolution ECI Workshop on Thermal Barrier and Envieronmental Coatings. Irseel, Germany. 2003-08-17. (Invited), August 17, 2003 |
| Characterization of Dislocation Core Structures in BCC Metals 2003 AFOSR Metallic Materials Contractors Meeting. Broomfield CO. 2003-08-04. (Invited), August 4, 2003 |
| Gulliverian Studies of Mechanical Behavior General Electric Corporation Global Research Center. Schenectady NY. 2003-05-00. (Invited), April 30, 2003 |
| AFM Characterization of Surface Roughness of a Platinum Modified Bond Coat for TBCs International Conference on Metallurgical Coatings and Thin Films. San Diego CA. 2003-04-00. (Invited), March 31, 2003 |
| Mechanical Behavior and Martensitic Transformation of Platnum Modified Nickel Aluminide TBC Bond Coats International Conference on Metallurgical Coatings and Thin Films. San Diego, CA. 2003-04-00., March 31, 2003 |
| Partial dislocation controlled deformation in nanocrystalline materials Materials Research Society Spring Meeting. San Francisco, CA. 2003-04-00. (Invited), March 31, 2003 |
| Experimental Characterization of Dislocations Core Structures with Transmission Electron Microscopy TMS Annual Meeting . San Diego CA. 2003-03-00., February 28, 2003 |
| Martensitic Transformations in Platinum Modified Nickel Aluminide Bond Coats for Thermal Barrier Coatings TMS Annual Meeting . San Diego, CA. 2003-03-00. (Invited), February 28, 2003 |
| Mechanical Pjroperties of TBC Bond Coats General Electric Aircraft Engines Workshop on TBC's . Evandale, OH. 2003-01-00. (Invited), December 31, 2002 |
| Phase Transformations in Platinum Aluminide Bond Coats for Thermal Barrier Coatings ONR/NSF Workshop on Thermal Barrier Coatings. Santa Barbara, CA. 2003-01-00. (Invited), December 31, 2002 |
| Recent TEM Characterization of Boron Carbide Army Research Laboratory Boron Carbide Workshop. Rutgers University, Trenton NJ. 2003-01-00. (Invited), December 31, 2002 |
| Shock Induced Amorphization of Boron Carbide 27th Annual International Conference & Exposition on Advanced Ceramics & Composites. Coco Beach, FL. 2003-01-00., December 31, 2002 |
| Phase Transformations in Platinum Aluminide Bond Coats for Thermal Barrier Coatings MRS Fall Meeting. Boston MA. 2002-12-00. (Invited), November 30, 2002 |
| Characterizing the Mechanical Behavior of MEMS Serpentine Springs TMS Fall Meeting. Columbus, Ohio. 2002-10-00., September 30, 2002 |
| Microsample Characterization of Coatings for GRCop-84 for High Temperature High Heat Flux Applications TMS Fall Meeting. Columbus, Ohio. 2002-10-00., September 30, 2002 |
| Microsample Tensile and Fatigue Testing of LIGA Ni MEMS Materials TMS Fall Meeting. Columbus, Ohio. 2002-10-00., September 30, 2002 |
| Microstructural Evolution of Thermal Barrier Coating Platinum Aluminide Bond Coat During Thermal Cycling TMS Fall Meeting. Columbus, Ohio. 2002-10-00., September 30, 2002 |
| Microstructure and Chemistry of Commercial Boron Carbides TMS Fall Meeting. Columbus, Ohio. 2002-10-00., September 30, 2002 |
| Characterization of Dislocation Core Structures in BCC Metals 2002 AFOSR Metallic Materials Contractors’ Meeting. Snowbird UT. 2002-08-19. (Invited), August 19, 2002 |
| Mechanical Properties and Phase Transformations of Platinum Aluminide Bond Coats NSF-EU Workshop on Multifunctional High Performance Coatings. Pembroke College, Cambridge UK. 2002-06-00. (Invited), May 31, 2002 |
| Overview of MEMS Materials Testing and Characterization at JHU DARPA MEMS Materials Briefing. Washington D.C.. 2002-06-00. (Invited), May 31, 2002 |
| Phase Transformation and Transformation Strain in Thermally Cylced Platinum Aluminide Bond Coats 14th U.S. National Congress of Theoretical and Applied Mechanics . Blacksburg VA. 2002-06-00., May 31, 2002 |
| The Mechanical Behavior of LIGA Ni Structures for MEMS Applications 14th U.S. National Congress of Theoretical and Applied Mechanics. Blacksburg VA. 2002-06-00. (Invited), May 31, 2002 |
| Tensile and Fatigue Properties of LIGA Ni Structures Tensile and Fatigue Properties of LIGA Ni Structures DARPA CAMD MEMS Review. Dallas TX. 2002-05-00. (Invited), April 30, 2002 |
| High Temperature Deformation of Thermal Barrier Coatings Based on Creep of a Nickel Platinum Aluminide Bond Coat Third International Symposium on Structural Intermetallics. Jackson Hole WY . 2002-04-00., March 31, 2002 |
| Influence of Thermal Cycling on the Mechanical Properties of Nickel Platinum Aluminide Bond Coats for Thermal Barrier Coatings Third International Symposium on Structural Intermetallics. Jackson Hole WY. 2002-04-00., March 31, 2002 |
| Measuring the Mechanical Properties of Platinum Aluminide Bond Coats for Thermal Barrier Coatings International Conference on Metallurgical Coatings and Thin Films. San Diego CA. 2002-04-00., March 31, 2002 |
| Microstructural Evolution of Platinum Aluminde Bond Coats International Conference on Metallurgical Coatings and Thin Films . San Diego CA. 2002-04-00., March 31, 2002 |
| Gulliverian Studies of Thermal Barrier Coatings and MEMS Materials Departmental Seminar. Bethlehem, PA. 2002-03-00. (Invited), February 28, 2002 |
| Elevated Temperature Mechanical Behavior of Diffusion Aluminide Bond Coat Layers TMS Annual Meeting. Seattle WA. 2002-02-00., January 31, 2002 |
| Elevated Temperature Tensile Properties of Gamma TiAl TMS Annual Meeting. Seattle WA. 2002-02-00. (Invited), January 31, 2002 |
| Mechanical Properties of MEMS Materials DARPA MEMS Principal Investigators Meeting. New Orleans LA,. 2002-02-00., January 31, 2002 |
| Tensile, Fatigue and Creep Properties of LIGA Ni Structures 15th IEEE International Conference on MEMS. Las Vegas NV. 2002-01-00., December 31, 2001 |
| Microstructure and Chemistry of Commercial Boron Carbide Army Research Laboratory JHU/Rutgers University Annual Review. Rutgers University. 2002-00-00. (Invited), November 30, 2001 |
| Stress Induced Amorphization in Boron Carbide Army Research Laboratory JHU/ Rutgers University Annual Review. Rutgers University. 2002-00-00. (Invited), November 30, 2001 |
| Experimental Investigation of Deformation Mechanisms in Nanocrystalline Au Thin Films ASME World Congress and Exposition. Washington, DC. 2001-11-15., November 15, 2001 |
| Elevated Temperature Tensile, Creep and Long-term Fatigue Behavior of LIGA Ni MEMS Structures MRS Fall Meeting. Boston, MA. 2001-11-00., October 31, 2001 |
| HREM Characterization of Dislocation Core Structures DOE Workshop on Multiscale Modeling of Materials Strength and Failure. Bodega Bay CA. 2001-10-00. (Invited), September 30, 2001 |
| ??? Workshop on Thermal Barrier Coatings. Absecon NJ. 2001-09-00., August 31, 2001 |
| ??? Workshop on Thermal Barrier Coatings. Absecon NJ. 2001-09-00., August 31, 2001 |
| ??? Workshop on Thermal Barrier Coatings. Absecon NJ. 2001-09-00., August 31, 2001 |
| Mechanical Property Measurements and Microstructural Evolution in Diffusion Aluminide Bond Coats Workshop on Thermal Barrier Coatings. Absecon NJ. 2001-09-00. (Invited), August 31, 2001 |
| Experimental determination of dislocation core structures by HRTEM AFOSR Metallic Materials Contractors' Meeting. Snowbird UT. 2001-08-00., July 31, 2001 |
| Mechanical Properties of MEMS Materials DARPA MEMS Principal Investigators Meeting. Boulder CO. 2001-08-00., July 31, 2001 |
| Structure-property relations in MEMS materials and Thermal Barrier Coatings Seminar - Laboratoire Electronique de Microscopie, CNRS-ONERA. Chatillon, France. 2001-07-00. (Invited), June 30, 2001 |
| Characterization of Electroplated Nickel High Aspect Ratio Micro-Structure Technology Conference. Baden-Baden Germany. 2001-06-00., May 31, 2001 |
| Gulliverian Studies of Structural Materials Seminar - Institut Galilée, Université of Paris-13. Villetaneuse, France. 2001-06-00. (Invited), May 31, 2001 |
| Tensile Properties of LIGA Ni Structures for a Fusing/Safety and Arming Device High Aspect Ratio Micro-Structure Technology Conference . Baden-Baden Germany. 2001-06-00., May 31, 2001 |
| Tensile, Creep and Fatigue Testing of LIGA Ni Microsamples High Aspect Ratio Micro-Structure Technology Conference. Baden-Baden Germany. 2001-06-00., May 31, 2001 |
| Mechanical Properties of MEMS Materials DARPA MEMS Principal Investigators Meeting. Berkeley, CA. 2001-02-00., January 31, 2001 |
| Microsample testing of Aerospace and MEMS Materials Seminar - Division of Materials Science, Lawrence Berkeley Laboratory. Berkeley, CA. 2001-02-00. (Invited), January 31, 2001 |
| Relating Dislocation Core Observations with Yielding Behavior in Ni3Ge-Fe3Ge L12 Alloys 2001 Winter Annual TMS Conference. New Orleans, LA. 2001-02-00. (Invited), January 31, 2001 |
| Use of Microsample Testing to Characterize and Model Bond Coat Performance Seminar - Materials Division, NASA Glenn Research Center. Cleveland OH. 2001-01-00. (Invited), December 31, 2000 |
| Experimental Investigation of Deformation Mechanisms in Nanocrystalline Au t . . 0000-00-00., November 30, 1999 |
| Mechanical Property Measurements and Microstructural Evolution in Diffusion Aluminide Bond Coats GEAE/ONR MURI Meeting on Thermal Barrier Coatings. Evandale, OH. 0000-00-00. (Invited), November 30, 1999 |
Committees
| 2011: Member, Office of Naval Research Review Panel, Bulk Nanostructured materials |
| 2011: Moderator and Co-chair, Plenary Opening Session of 2011 Materials Science & Technology Conference & Exhibition |
| 2011: Moderator, Materials Informational Luncheon: Accelerating Materials and Manufacturing Innovation for Global Competitiveness, Rayburn House Office Building, Washington DC |
| 2010: Member, DARPA Defense Sciences Research Council (DSRC) |
| 2008: Member, Johns Hopkins Faculty Advisory Budget Committee. (2001-present) Chair 2003-06 |
| 2008: Director, Public and Governmental Affair Committee, TMS. |
| 2008: Member, Board of Directors, The Minerals, Metals, Materials Society (TMS) |
| 2007 - 2013: Chair, Department of Mechanical Engineering, Johns Hopkins University.(July 2007-present) |
| 2012: Moderator, Materials Informational Luncheon: Equipping the Next Generation Workforce for Materials Innovation: The Gateway to Manufacturing Competitiveness, Capitol Visitors Center, Washington DC, February 2012. |
| 2003: Member, the International Steering Committee of the International Conferences on the Strength of Metals and Alloys |
| 2011 - 2011: Moderator and Organizing committee member, 2011 Materials Science & Technology Conference & Exhibition, Plenary Session: Grasping Excellence: Opportunities for Science and Engineering Research, Education and Workforce Development in the United States, Columbus, OH, October 2011. |
| 2011 - 2011: Moderator and Organizing committee member, Materials Informational Luncheon: Accelerating Materials and Manufacturing Innovation for Global Competitiveness, Rayburn House Office Building, Washington DC, August 2011. |
| 2008 - 2010: Trustee, Federation of Materials Societies (FMS). |
| 2006 - 2009: Member, Gordon Research Conferences (GRC) Council. |
| 2005 - 2008: Member, Strategic Planning Committee, The Minerals, Metals, Materials Society (TMS). |
| 2004 - 2008: Member, Johns Hopkins University Homewood Faculty Assembly Steering Committee (elected). Secretary 2004-05, Vice-chair 2005-06, Chair 2006-07. |
| 2004 - 2006: Member, Johns Hopkins University Board of Review subcommittee for the Academic Council |