Aerospace Engineering 744C H.R.Bright 3141 TAMU College Station, TX 77843-3141

Phone: (979) 458-1330 e-mail: zounaies@tamu.edu Departmental Website

Zoubeida Ounaies

Education	Ph. D., Engineering Science and Mechanics, The Pennsylvania State University (1996) M. S., Mechanical Engineering, The Pennsylvania State University (1991) B. S., Mechanical Engineering, The Pennsylvania State University (1989)
Experience	2005 Assistant Professor Department of Aerospace Engineering Texas A&M University, College Station, TX
	2002-2004 Assistant Professor Department of Mechanical Engineering Virginia Commonwealth University, Richmond, VA
	Aug 2002-2004 Graduate Program Director Department of Mechanical Engineering Virginia Commonwealth University, Richmond, VA
	1999-2002 Senior Staff Scientist Advanced Materials and Processing Branch ICASE/NASA LaRC, Hampton, VA
	1998 Staff Scientist Advanced Materials and Processing Branch ICASE/NASA LaRC, Hampton, VA
	1996-1998 Resident Research Associate Advanced Materials and Processing Branch National Research Council, Hampton, VA
	1991-1995 Research Associate The Center for the Engineering of Electrical and Acoustic Materials The Pennsylvania State University, University Park, PA
Research Interests	Smart materials, electroactive polymers and composites Carbon nanotube-based polymer composites Experimental characterization of the constitutive behavior of ferroelectric materials including PZT and PVDF. Experimental investigation of the hysteretic behavior of ferroeletric materials Actuations and sensing for aerospace applications Transducers processing and characterization for biomedical applications
Active Grants	Multifunctional Performance of Carbon Nanotube Composites (PI) National Science Foundation 10/01/04-9/30/07 Nanostructured Composites (PI) NASA Langley Research Center-Advanced Materials and Processing Branch 7/08/04-7/07/07 Processing and Characterization of Multifunctional Polymeric Composites (PI) NASA Langley Research Center-BIOSANT Program 2/14/03-2/13/05
Teaching Experience	ENGR 102: Statics Introductory freshman level course; covering the theory and application of engineering mechanics applied to the design and analysis of rigid structures. EGRM 202: Mechanics of Materials (Deformables) Sophomore level course; covering mechanics of deformable solids. EGRM 436: Engineering Materials Senior level, technical elective course. Materials properties and their modification as related to engineering properties and design; elastic and plastic stress-strain behavior of materials; materials selection considerations. Introduced two new courses to the Mechanical Engineering curriculum: EGRM 309: Material Science for Engineers Designed and taught as a junior level course Introductory course in Material Science Related atomic structure to macroscale properties Placed special emphasis on mechanical, electrical and thermal responses of materials as predicted by their structures and compositions. Four classes of materials are covered: Metals, Polymers, Ceramics, and Composites. ENGR 591/691: Smart Materials Designed and taught as a first year graduate level course. Covered constitutive equations and transducer theory. Focused on these specific Smart Materials: Piezoelectric transducers, Shape Memory Alloys, Electrostrictive actuators, conventional and piezoelectric MEMS, and carbon nanotube processing and devices. Spring, 2000 Adjunct Associate Professor, Old Dominion University, Norfolk, VA. ME 436: Automatic Controls
Professional Affiliations	American Society of Mechanical Engineers (ASME) Materials Research Society (MRS) The International Society of Optical Engineers (SPIE)
Professional Service	Treasurer, ASMS Technical Committee of ASME Chair, Mechanical Engineering Search Committee, Virginia Commonwealth Unviersity Organizing committee member, Active Materials: Behavior and Mechanics Symposium, SPIE: Smart Structures and Materials Conference and Exhibition. Organizing committee member, National Educator’s Workshop. Co-organizer and chair, special session on Active and Bioactive Polymers, Active Materials: Behavior and Mechanics Symposium, SPIE: Smart Structures and Materials Conference and Exhibition. Co-organizer and chair, Analytic and Experimental Characterization of Piezoelectric Materials: Parts I and II, Third SIAM Conference on Mathematical Aspects of Materials Science, Philadelphia PA May 22-24, 2000. Co-chair, Aerospace: Adaptive Materials, the American Society of Mechanical Engineers: IMECE’03, Washington, D.C., November 2003. Faculty advisor, local chapter of the Society of Women Engineers (SWE) Mentor, Co-op program, NASA Langley Research Center (2000-present) Mentor, New Horizons, The Governor’s School for Science and Technology (1996-1997, 1999-2003) Mentor, LARSS program, NASA Langley Research Center (1996-present) Mentor, Ms. Wiz Program, Pennsylvania State University (1992-1995)
Languages	Fluent in Arabic, English, and French.
Honors	• Certificate of Appreciation, Advanced Materials and Processng Branch, NASALRC2001NASA LaRC, 2001 • Certificate of Appreciation, NASA High-Speed Research Program, 1999 • Outstanding Achievement Award, NASA LaRC, 1996 and 1998 • Exceptional Contribution Award, NASA Langley Research Center, 1997 • Certificate of Appreciation, Regional Education Center, The Governor’s School for Science and Technology, 1996-1997 • National Research Council Research Fellowship, 1996-1999 • American Ceramic Society, First Place, Manufacturing Category, 1994 • Member, Golden Key Honor Society. • Full Academic Scholarship, The Pennsylvania State University, 1985-1991
Invited Talks	“Development of Flexible Piezoelectric Nanocomposites for Biomedical Applications”, Biomedical Seminar Series- The Virginia Polytechnic Institute and State University- January 17th, 2003. “Electrical and Mechanical Characterization of Polyimide-Carbon Nanotube Nanocomposites: Multifunctional Materials, Intriguing Properties, Unlimited Applications”, TIMSS URETI Seminar- The Texas A&M University-May 1st, 2003. “Organic-Inorganic Nanocomposites: Enhanced Sensor and Actuator Response“, Seminar Series- The Carnegie Mellon University- October 23, 2003. “Electroactive Polymers Development for Aerospace Applications”, Engineering Science and Mechanics Graduate Seminar Series- The Pennsylvania State University- February 13th, 2002.

Publications

Book Chapters (refereed)

Ounaies, Z., Piezoelectric Materials. In Wnek, G. and Bowlin, G. (Eds.), Encyclopedia of Biomaterials and Biomedical Engineering. Marcel Dekker, Inc. July 2004.

Harrison, J. S. and Ounaies, Z. (2002) Piezoelectric Polymers. In Biderman, A. (Ed.), Encyclopedia of Smart Materials. John Wiley and Sons. pp162-173.

Jordan, T. L. and Ounaies, Z. (2002). Characterization of Piezolectric Ceramics. In Biderman, A. (Ed.) Encyclopedia of Smart Materials. John Wiley and Sons. pp860-873.

Journal Publications (refereed)

Ounaies, Z., Park, C., Harrison, J.S. Electrical and Mechanical Characterization of Carbon Nanotube-Polyimide Composites, submitted to Journal of Intelligent Systems and Structures.

Mossi, K., Green, C., Ounaies, Z., and Hughes, E. Harvesting Energy Using a Thin Unimorph Prestressed Bender: Geometrical Effects. Journal of Intelligent Material Systems and Structures (In Press).

Park, C., Ounaies, Z., Wise, K., and Harrison, J. In Situ Poling And Imidization Of Amorphous Piezoelectric Polyimides. Polymer, Volume 45, Issue 16, pp. 5417-5425, 2004

Ounaies, Z., Park, C., Wise, K. E., Siochi, E., and Harrison, J. S. (2003). Electrical Properties of Single Wall Carbon Nanotube Reinforced Polyimide Composites. Composites Science and Technology, 63 (11) pp.1637-1646.

Smith, R., Seelecke, S., Ounaies, Z., and Smith, J. (2003). A Free Energy Model for Hysteresis in Ferroelectric Materials. Journal of Intelligent Systems and Structures, 14 (11) pp. 719-739.

Park, C., Ounaies, Z., Watson A. K., Crooks, R. E.; Smith, Jr., J., Lowther, S., Connell, J., Siochi, E., Harrison, J. S., and St. Clair, T. L. (2002). Dispersion of Single Wall Carbon Nanotubes by In-Situ Polymerization Under Sonication. Chemical Physics Letters, 364 (3 - 4) pp. 303-308.

Pramod K Sharma, Z Ounaies, V V Varadan and V K Varadan (2001). Dielectric and piezoelectric properties of microwave sintered PZT. Smart Mater. Struct., 10 pp.878-883.

Smith R. C. and Ounaies, Z. (2000). A Domain Wall Model for Hysteresis in Piezoelectric Materials. Journal of Intelligent Material Systems and Structures 11, no.1, p.62.

Ounaies, Z., Young, J. A., and Simpson, J. O. (1999). An Overview of the Piezoelectric Phenomenon in Amorphous Polymers. ACS symposium series. 726, p.88-103.

Simpson, J., Ounaies, Z., and Young, J. (1999). Mechanisms of piezoelectricity in amorphous and semicrystalline polymers. American Chemical Society POLY Part 2 pp.214: 222.

Ounaies, Z. (1998). Piezoelectric Materials for Advanced Aircraft Applications. Tunisian Science, December Issue. p24.

Ounaies, Z., Selmi, F., Varadan, V. K., Varadan, V. V., and Megheri, M. (1993). Microwave Calcining of Conventionally and Sol-Gel Prepared Lead Zirconate Titanate. Materials Letters 17, pp.13-24.

Refereed Proceedings (Selected)

Atkinson, G.M., Pearson, R.E., Ounaies, Z., Park, C., Harrison, J. S., Dogan, S., and Midkiff, J. A. (2003). Novel Piezoelectric MEMS. Transducers Proceedings. (Accepted for publication).

Ounaies, Z. And Smith, R. (2002) Model Development for High Performance Piezoelectric Polymers. Materials Research Society Symposia Proceedings. 698 pp. 217-226.

Park, C., Ounaies, Z., Watson, K., Connell, J., Siochi, E. J., and Harrison, J.S. (2001) Polymer-Single Wall Carbon Nanotube Composites for Potential Spacecraft Applications . Materials Research Society Symposia Proceedings. 706, pp. 91-96.

Smith, R. C. and Ounaies, Z. (2000). A Model for Asymmetric Hysteresis in Piezoceramic Materials. In Wun-Fogle, M., Uchino, K., Ito, Y., and Gotthardt, R. (Eds.) Materials Research Society Symposium Proceedings: Volume 604, p.285.

Park, C., Ounaies, Z., Su, J., Smith, Jr., J.G., and Harrison, J.S. (2000). Polarization Stability of Amorphous Piezoelectric Polyimides, In Zhang, Q. M., Furukawa, T., Bar-Cohen, Y., and Scheinbeim, J. (Eds.), Materials Research Society symposia proceedings. 600 pp. 153-158.

Su, J., Ounaies, Z., and Harrison, J. S. (2000). Ferroelectric and Piezoelectric Properties of Blends of Poly(vinylidene-trifluoroethylene) and Graft Elastomer. In Zhang, Q.M., Furukawa, T., Bar-Cohen, Y., and Scheinbeim, J. (Eds.), Materials Research Society Proceedings: Electroactive Polymers Volume 600 pp.95-1000.

Smith, R. C. and Ounaies, Z. (1999). A Hysteresis Model for Piezoceramic Materials. Proceedings of the 1999 Winter International Annual Meeting of the ASME, 14-19 Nov. Nashville, TN.

Jordan, T., Ounaies, Z., Tripp, J., and Tcheng, P. (1999). Electrical Properties and Power Considerations of a Piezoelectric Actuator. In Wun-Fogle, M., Uchino, K., Ito, K., and Gotthardt, R. (Eds.) Materials Research Society Proceedings: Materials for Smart Systems III, Volume 604.

Jordan, T. L., Ounaies, Z., Turner, T. L. (1997). Complex Piezoelectric Coefficients of PZT Ceramics: Method for Direct Measurements of d_33. In George, E. P., Gotthardt, R., Otsuka, K., Trolier-McKinstry, S., and Wun-Fogle, M., (Eds.) Materials Research Society Proceedings: Materials for Smart Systems II Volume 459, p.231.

Ounaies, Z., Young, J. A., Simpson, J. O., and Farmer, B. L. (1997). Dielectric Properties of Piezoelectric Polyimides. In George, E. P., Gotthardt, R., Otsuka, K., Trolier-McKinstry, S., and Wun-Fogle, M., (Eds.) Materials Research Society Proceedings: Materials for Smart Systems II Volume 459, p.59.

Simpson, J., Ounaies, Z., and Fay, C. (1997). Polarization and Piezoelectric Properties of a Nitrile Substituted Polyimide. In George, E. P., Gotthardt, R., Otsuka, K., Trolier-McKinstry, S., and Wun-Fogle, M. (Eds.) Materials Research society Proceedings: Materials for Smart Systems II Volume 459, p.53.

Selected Proceedings (not refereed)

Ambur, D. R., Harik V. M., Ounaies, Z., Hasanyan, D., and Librescu, L. (2003). Modeling The Structural Response Of Multifunctional Materials: The In-Field Vibration Of A Thin Plate. 44th Structures, Structural Dynamics, and Materials (SDM) Conference-AIAA, April.

Pawlowski, K. J., St. Clair, T. L., McReynolds, A. C., Park, C., Ounaies, Z., Siochi, E. J., Harrison, J. S. (2003). Electrospun Electroactive Polymers For Aerospace Applications. 44th Structures, Structural Dynamics, and Materials (SDM) Conference-AIAA, April.

Smith, R. C., Ounaies, Z., and Wieman, R. (2000). A Model for Rate-Dependent Hysteresis in Piezoceramic Materials Operating at Low Frequencies. In Varadan, V. V. (Ed.) SPIE Proceedings, Smart Structures and Materials: Mathematics and Control in Smart Structures - Volume 3984. Newport Beach, CA.

Su, J., Ounaies, Z., Harrison, J. S., Bar-Cohen, Y. and Leary, S. (2000). Electromechanically Active Polymer Blends for Actuation. In Bar-Cohen, Y. (Ed.) SPIE Proceedings, Smart Structures and Materials: Electroactive Polymer Actuators and Devices– Volume 3987. Newport Beach, CA.

Ounaies, Z., Park, C., Harrison, J. S., Smith, J. G., and Hinkley, J. (1999). Structure-Property Study of Piezoelectricity in Polyimides. In Bar-Cohen, Y. (Ed.) SPIE Proceedings, Electroactive Polymer Actuators and Devices - Volume 3669, p.171. Newport Beach, CA.

Bao, X. Q., Ounaies, Z., Varadan, V. K. and Varadan, V. V. (1994). Active Noise Control Using a Piezoelectric Actuator for a Machine. SPIE Proceedings, Smart Structures and Materials, p. 211. Orlando, FL.

Ounaies, Z., Varadan, V. K., and Varadan, V . V. (1994). Sol-gel and Microwave Processing of PZT Materials for Sensor and Actuator Applications. SPIE Proceedings, Smart Structures and Materials, p. 413. Orlando, FL.

Varadan, V. K., Varadan, V. V. , Selmi, F., Ounaies, Z. and Jose, K. A. (1994). Multilayer Tunable Ferroelectric Materials and Thin Films. SPIE Proceedings, Smart Structures and Materials, p. 433. Orlando, FL.

Recent Presentations

Ounaies, Z., Barnes, C., Park, C., Harrison, J.S., Lillehei, P.T. Electrical and Mechanical Characterization of Polyimide-Carbon Nanotube Nanocomposites, IMECE/ASME International Mechanical Engineering Congress and R&D Expo, 2003.

Park, C., Wise, K E., Ounaies, Z., Lillehei, P.T., Siochi, E.J., Harrison, J.S. Evaluation of Dispersion of SWNT in Nanocomposites. Purity and Dispersion Measurement Issues Workshop on Single-Wall Carbon Nanotubes. NASA-NIST. Note: proceedings published in the Journal of Nanoscience and Nanotechnology. 2003

Ounaies, Z., Park, C., Harrison, J., and Klein, D. (2003). Electrical and mechanical characterization of polyimides and polyimide nanocomposites.SPIE: Smart Structures and Materials Conference, Active Materials Symposium, San Diego, CA.

McLachlan, D.S., Chiteme, C., Park, C., Wise, K.E., Ounaies, Z., Lowther, S.E., Lillehei, P.T., Siochi, E.J., Harrison, J.S.. Percolative Conductivity and Impedance Spectroscopy of SWNT Polymer Composites. ICCE, 2003.

Ball, B. L., Smith, R. C., and Ounaies, Z. (2003). “A Dynamic Hysteresis Model For THUNDER Transducers”, SPIE: Smart Structures and Materials Conference, Mathematics Symposium, San Diego, CA.

Banda, S., Ounaies, Z., Park, C., and Wilkinson, J. (2003). “Characterization of Aligned carbon nanotube polymer composites.” Virginia Academy of Science. Charlottesville, VA.

Barnes, C. P., Ounaies, Z., Bates, D., and Wnek, G. E. (2003). “PVDF: The Perfect Polymer for Piezoelectric Performance in People?” Virginia Academy of Science. Charlottesville, VA.

Callahan, D. M., Rud, J. A., and Ounaies, Z. and St. Clair, T. (2003). “Timid About Polyimide? An In Depth Look at an Electroactive Polyimide and Its Aerospace Application.” Virginia Academy of Science. Charlottesville, VA.

Mossi, K., Ounaies, Z., Smith, R., and Ball, B. (2003). “Pre-stressed Curved Actuators: Characterization and Modeling of their Piezoelectric Behavior.” SPIE: Smart Structures and Materials Conference, Active Materials Symposium, March 2003, San Diego CA.

Smith, R. C., Seelecke, S., Dapino, M., and Ounaies, Z. (2003). A Unified Model for Hysteresis in Ferroic Materials, SPIE: Smart Structures and Materials Conference, Mathematics Symposium, San Diego, CA.

Park, C., Wise, K. E., Ounaies, Z., Crooks, R. E., Working, D. C., Lowther, S. E., Lillihei, P. T., Siochi, E. J., and Harrison, J. S. (2002). Synthesis, Processing, And Physical Properties Of Single Wall Carbon Nanotube Reinforced Polymer Nanocomposites. Materials Research Society Symposium. Boston, MA.

Park, C., Wise, K. E., Ounaies, Z., Lowther, S. E., Lillehei, P., Siochi, E. J., and Harrison, J. S., (2002). Electrical and Dielectric Properties of Single Wall Carbon Nanotube Polymer Nanocomposites. American Physics Society Meeting. Houston, TX.