Aerospace Faculty Profile
Dr. Alison Flatau
Professor / Director, Undergraduate Studies
Room 3148 Martin Hall
Research in magnetostrictive materials & transduction, nanotechnology sensors, Synthetic jet actuators, active flow control, and biosensors and bioactuation.
(301) 405-1131
aflatau@umd.edu | Personal Website
Education
B.S., University of Connecticut (Chemical Engineering)
M.S., University of Utah (Mechanical Engineering)
Ph.D., University of Utah (Mechanical Engineering)
Publications
A. E. Clark, J.-H. Yoo, J. R. Cullen, G. Petculescu, M. Wun-Fogle, and A. Flatau, “Stress Dependent Magnetostriction in Highly Magnetostrictive Fe100-xGax, 20 < x < 30,” Journal of Applied Physics, to be published in May, 2009
F. C. Graham, C. Mudivarthi, S. Datta and A. B. Flatau, “Development and validation of a bidirectionally coupled magnetoelastic actuator model,” submitted to Smart Materials and Structures, 2009.
S. Datta, J. Atulasimha and A. B. Flatau, “Figures of merit of magnetostrictive single crystal iron-gallium alloys for actuator and sensor applications,” submitted to Journal of Magnetism and Magnetic Materials, 2009.
Downey, P. R., Flatau, A.B., McGary, PD.. and Stadler, B.J. Effect of magnetic field on the mechanical properties of magnetostrictive iron-gallium nanowires" J. Appl. Phys. Vol 103, No. 7, Apr. 2008.
J. Atulasimha, A. B. Flatau, and J. R. Cullen, "Analysis of the effect of gallium content on the magnetomechanical behavior of single-crystal iron-gallium alloys using an Energy-based model," Smart Materials and Structures, vol. 17, No. 2, Apr. 2008.
Datta, S. and Flatau, A. B., “Magnetomechanical Coupling Factor and Energy Density of Single Crystal Iron-Gallium Alloys,” SPIE International Symposium on Smart Structures and Materials, San Diego, CA, Mar 9-13, 2008.
Parsons, M J, Datta, S, Mudivarthi, C ,Na , Flatau, A, "Torque sensing using rolled Galfenol patches," SPIE International Symposium on Smart Structures and Materials, San Diego, CA, Mar 9-13, 2008.
J. Atulasimha, G. Akhras and A. B. Flatau, "Comprehensive 3-D Hysteretic Magnetomechanical Model and its Validation with Experimental <110> Single-crystal Iron-Gallium Behavior," Journal of Applied Physics, vol.103, issue 7, 20th March 2008.
S. M. Na and A. B. Flatau, “Surface Segregation of Sulfur and Its Effect on Surface-Energy-Induced Selective Grain Growth in Magnetostrictive Fe-Ga-B Alloy”, Proceeding of ASME 2008 Conference on Smart Materials, Adaptive Structures & Intelligent Systems
SUBMITTED in 2008
S. Datta, J. Atulasimha, C. Mudivarthi and A. B. Flatau, “Modeling of magneto-mechanical actuators in laminated structures,” submitted to Journal of Intelligent Material Systems and Structures, 2008.
Atulasimha, J., Flatau, A.B., and Cullen, J.R. “Energy-based Model for Actuation and Sensing Behavior of Single-crystal Iron-gallium Alloys”, Journal of Applied Physics, Vol.103, Issue 1, 3 January 2008.
J. Atulasimha and A. B. Flatau, "Experimental Actuation and Sensing Behavior of Single-Crystal Iron-Gallium Alloys," Journal of Intelligent Materials Systems and Structures, Vol. 19, Issue 12, pp 1371-1381, 2008.
C. Mudivarthi, S. Datta, J. Atulasimha and A. B. Flatau, "A bidirectionally coupled magnetoelastic model and its validation using a Galfenol unimorph sensor," Smart Materials and Structures, vol. 17, No 3, 2008.
Kellogg R, Flatau A, "Experimental investigationof Terfenol-D's elastic modulus, Journal of Intelligent Materials Systems and Structures, Vol. 19, Issue 5, pp 583-595, 2008.
S. M. Na and A. B. Flatau, “Deformation Behavior and Magnetostriction of Polycrystalline Fe-Ga-X (X=B, C, Mn, Mo, Nb, NbC) Alloys”, Journal of Applied Physics, 103, art. no. 07D304 (2008)
Patrick D. McGary, 1 Liwen Tan, 1 Jia Zou, 1 Bethanie J.H. Stadler, 1 Patrick R. Downey, 2 Alison B. Flatau, "Magnetic Nanowires for Acoustic Sensors" June 2006.
Downey PR, Flatau AB, Magnetoelastic bending of Galfenol for sensor applications JOURNAL OF APPLIED PHYSICS 97 (10): Art. No. 10R505 Part 3 May 15, 2005.
Kellogg, R.A.,* Flatau, A., Clark, A.E., Wun-Fogle, M. and Lograsso, T., "Quasi-static transduction characterization of Galfenol JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES 16 (6): 471-479 June 1, 2005.
Yoo, J.H.,* and Flatau, A.B., "Measurement of Field-Dependence Elastic Modulus of Iron-Gallium Alloy using Tensile Test," JOURNAL OF APPLIED PHYSICS 97 (10): Art. No. 10M318 Part 3 May 15, 2005.
Staley, M. E.* and Flatau, A.B., "Terfenol-D Tooth Phone Performance Characterization and Optimization," JOURNAL OF APPLIED PHYSICS 97 (10): Art. No. 10R508 Part 3 May 15, 2005.
Dapino, M.J.,* Calkins, F.T.,* and Flatau, A.B., "Statistical analysis of Terfenol-D material properties," submitted to the Journal of Intelligent Materials and Structural Systems, October 2004.
Na, S.* and Flatau, A., "Magnetostriction and surface-energy-induced selective grain growth in rolled Fe-Ga based alloys," submitted to IEEE Transactions on Magnetics, December 2004.
Calkins, F.T.,* and Flatau, A.B., "Electrical Impedance Analysis for Characterization of Magnetostrictive Materials," Journal of Smart Structures and Materials, August 2004.
Atulasimha J, Flatau AB, Kellogg RA Sensing behavior of varied stoichiometry single crystal Fe-Ga JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES 17 (2): 97-105 February 2006.
Calkins, F.T., * Flatau, A.B. and Dapino, M.J., * "Overview of Magnetostrictive Sensor Applications," submitted to Journal of Intelligent Materials and Structural Systems, July 2004.
Articles in conference proceedings
K. Hale and A. B. Flatau, “Galfenol tactile sensor array and visual mapping system,” paper |6173-36|, SPIE Smart Structures and Material Conference, March, 2006.
R. J. DiSabatino, Jr., F. P. McCluskey, A. B. Flatau, and B. J. Stadler, “Packaging of an iron-gallium nanowire acoustic sensor,” paper |6172-43|, SPIE Smart Structures and Material Conference, March, 2006.
Patrick D. McGary, Liwen Tan, Jia Zou, Bethanie J.H. Stadler, Patrick R. Downey, and Alison B. Flatau, Magnetic Nanowires for Acoustic Sensors (Invited), paper DD-07, 50th Magnetism and Magnetic Materials conference, Fall 2005 San Jose, CA
Suok-Min Na and Alison B. Flatau, “Effect of Boron Addition on Magnetostrictive and Mechanical Properties in Rolled Polycrystalline Fe-18.7%Ga Alloy”, paper V.7, Fall 2005 Material Research Society Meeting, Boston, MA.
Jayasimha Atulasimha and Alison B. Flatau, “Free-Energy Model for Actuation and Sensing Behavior of Magnetostrictive Materials and Its Application to Single Crystal Iron-Gallium Alloys,” paper V4.10, Fall 2005 Material Research Society Meeting, Boston, MA.
Suok-Min Na and Alison B. Flatau, “Magnetostriction and Crystallographic Texture in Rolled and Annealed Fe-Ga Based Alloys,” paper V6.10, Fall 2005 Material Research Society Meeting, Boston, MA.
Patrick Downey and Alison Flatau, “Bending of Iron-Gallium (Galfenol) Alloys for Sensor Applications,” V6.11, Fall 2005 Material Research Society Meeting, Boston, MA.
Sandra Ugrina and Alison Flatau, “Flow field Measurements of Synthetic Jets Made with “Thunder” Actuators,” 35th AIAA Fluid Dynamics conference, Toronto, CA, June, 2005.
Sandra Ugrina and Alison Flatau, “Miniature synthetic jet actuator performance in low Reynolds number flow fields,” 16th International Conference on Adaptive Structures and Technologies, Paris, France, Fall, 2005.
L. M. Gravatt and A. B. Flatau, “Resonance-based low frequency synthetic jet actuator modeling, design and testing,” paper |6173-22|, SPIE Smart Structures and Material Conference, March, 2006.
P. R. Downey and A. B. Flatau, “Bending of iron-gallium (Galfenol) alloys for sensor applications,” paper |6174-09| SPIE Smart Structures and Material Conference, March, 2006.
Supratik Datta and Alison B. Flatau, “Magnetostrictive Vibration Sensor based on Iron-Gallium Alloy,” paper V4.9, Fall 2005 Material Research Society Meeting, Boston, MA.
S. Datta and A.B. Flatau, “Measurement of magnetic field dependent Young’s modulus of Iron-Gallium alloy in flexural mode,” paper |6170-24| SPIE Smart Structures and Material Conference, March, 2006
J. Atulasimha and A. B. Flatau, “A free energy model for the magnetostrictive behavior of polycrystalline Iron-Gallium alloys,” paper |6170-23| SPIE Smart Structures and Material Conference, March, 2006
E. Other presentations at conferences, seminars, symposia, and outside institutions Citation
Aerospace Engineering at the University of Maryland, given to the Engineering Society at Howard Community College, spring 05.
"Biomemetic Sensor Systems", US-Japan Workshop on Sensors, Smart Structures and Mechatronic Systems hosted by the University of Tokyo, Tokyo, Japan, Nov 12-13, 2005.
(Submitted in previous year) (Accepted in previous year) PRESENTED in 2005 // Research (N/A) Invited
"Galfenol Nano-Sensors for Underwater Applications: Nanowire Fabrication," Phononics Workshop, DARPA, Jan 2005.
"Structural Iron-Based Magnetostrictive Alloys," Symbiotic Material & Structural Systems Workshop, DARPA, August 25-26, 2005
Presentations
Benatar, J., and Flatau, A. “FEM Implementation of a Magnetostrictive Transducer,” ONR Workshop on Transducer Materials and Transduction, Penn State, May, 2005.
Datta, S. and Flatau, A. "Application of Iron-Gallium Alloy as Magnetostrictive Sensors" ONR Workshop on Transducer Materials and Transduction, Penn State, May, 2005.
"Galfenol Nano-Sensors for Underwater Applications," ONR Maritime Sensing Program Review, Newport, RI, August 17-19, 2005.
"Review of Advances on Rolling Galfenol," ETREMA Products, Inc. Program review, Oct 4-5, 2005.
Institutional Services
Organized CAREER proposal writing workshop ENGR-A. James Clark School of Engineering
Director of Aerospace Undergraduate programs ENGR-Aerospace Engineering
Director of Aerospace Honors program ENGR-Aerospace Engineering
Faculty Advisor for student AIAA organization ENGR-Aerospace Engineering
Chair of undergraduate program faculty committee ENGR-Aerospace Engineering
Member new faculty search committee ENGR-Mechanical Engineering
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