MCCAY, Mary Helen
Director, National Center for Hydrogen Research, R
Mechanical and Aerospace Engineering
Educational BackgroundMiddle Management Program Simmons College 1979
Ph.D., Metallurgical Engineering University of Florida 1973
M.S., Materials Science Florida State University 1969
B.S. Engineering Science, Florida State University 1966
Recognition & AwardsProfessional Engineer, Inactive
Professional Experience2003-present Director, National Center for Hydrogen Research
2003- present Research Professor, Mechanical and Aerospace Engineering
2003, 1999, 1995 Chairman, Center for Laser Applications, University of Tennessee Space Institute
1986-2003 Professor, Engineering Science and Mechanics, Adjunct Professor, Metallurgical Engineering and Materials Science, at the University of Tennessee Space Institute (UTSI)
Principal Investigator for International Microgravity Laboratory flight experiment concerning the influence of microgravity on directional solidification
1975-1986 Principal Investigator at Marshall Space Flight Center on materials programs related to microgravity processing and materials' properties. Developed programs and hardware for these programs. Testified to congresÂsional committees on results of programs.
Alternate Payload Specialist Astronaut on Spacelab Three
1968-1975 Materials Engineer at Marshall Space Flight Center. Responsible for developing viable crystal growth program and supporting the analysis of space vehicle related materials problems and failures.
Exceptional Scientific Achievement Medal, NASA, 1982
The University of Tennessee Chancellor's Award for Creativity and Research, 1992
General H.H. Arnold Award for Aerodynamic and Astronautical Science, Tennessee Chapter of AIAA, 1994
American Museum of Science & Energy, 1998 University of Tennessee B. Otto and Kathleen Wheeley Award for Excellence in Technology Transfer 2002
U.S. Patent 4,198,232, Â“Preparation of Monotectic Alloys having a Controlled Microstructure by
Directional Solidification under Dopant-Induced Interface Breakdown,Â” April 15,1980
U.S. Patent 4,681,437, Â“Laser Schlieren Crystal Monitor,Â” July 21, 1987
U.S. Patent 5,503,703, Â“Laser Bonding Process for Ceramic Articles,Â” April 2,1996
U.S. Patent 5,961,861, Â“Apparatus for Laser Alloy Induced Improvement of SurfacesÂ”, Oct. 5, 1999
U.S. Patent 5,985,056, Â“Method for Laser Induced Improvement of Surfaces,Â” Nov. 16, 1999
U.S. Patent 6,016,227, Â“Apparatus and Method for Producing an Improved Laser Beam,Â” Jan. 18, 2000
U.S. Patent 6,173,886, Â“Method for Joining Dissimilar Metals or AlloysÂ”, Jan. 16, 2001
U.S. Patent 6,284,067, Â“Method for Producing Alloyed Bands or Strips on Pistons for Internal Combustion EnginesÂ”, Sept. 4, 2001
U.S. Patent 6,294,225, Â“Method for Improving the Wear and Corrosion Resistance of Material Transport Trailer SurfacesÂ”, Sept. 25, 2001
U.S. Patent 6,299,707 Â“A Laser Process for Producing Wear-Resistance Aluminum Cylinder Bore SurfacesÂ”, Oct. 9, 2001
U.S. Patent 6,229,111 Â“Method for Laser/Plasma Surface Alloying, May 8, 2001
U.S. Patent 6, 328, 026, Â“Method for Increasing Wear Resistance in an Engine Cylinder Bore and Improved Automotive EngineÂ”, Dec. 11, 2001
U.S. Patent 6,223,137, Â“Method for Marking, Tracking and Managing Hospital InstrumentsÂ”, Apr. 24, 2001
U.S. Patent 6, 350, 326, Â“Method for Practicing a Feedback Controlled Laser Induced Surface ModificationÂ”, Feb 26, 2002
Current ResearchCurrent research is related to the use of hydrogen as a renewable energy source. Work is being conducted on catalysts, sensors and storage mediums. A high energy laser is being used to produce materials with desirable surface properties related to these topics.
Selected PublicationsD. Fisher, E.J. Grotke, J.R. Brenner, M.H. McCay, T.D. McCay, E.L. Caraway, Alternative Solid Waste Management Techniques for a Sustainable Hydrogen Economy, Sustainable Pathways: New Research & Practices.
M.H. McCay, C.M. Sharp, J.A. Hopkins, B. Shapiro, T.D. McCay, Plasma Assisted Laser Surface Alloying, Journal of Laser Applications, Vol#15, November 2003, p. 84.
M.H. McCay, Laser Based Marking Methods, Industrial Laser Solutions, September 2002, p. 15-17.
M. H. McCay and T. Dwayne McCay, The Hydrogen Economy, The Utilities and Energy Project, May,2005, pp. 110-112.
T. Tramel, M.H. McCay, J A. Hopkins and T.D. McCay, The Influence of Nozzle Geometries on Laser Surface Alloying, Journal of Laser Applications, Vol. 14 #3, August 2002, pp. 174-184.
M.H. McCay, J.A. Hopkins and T.D. McCay, Melt Instabilities During Laser Surface Alloying, Journal of Laser Applications Vol. 14, #1, February 2002, pp. 24-30.
M.H. McCay, John A. Hopkins and T.D. McCay, The Influence of Gravity Related Convection on Secondary Arm Evolution in NH4Cl-H2O, Metallurgical and Materials Transactions A, Vol. 29A, pp. 1137-39, March 1998.
Reviewer, Journal of Laser Applications
Reviewer, Journal of Thermophysics & Heat Transfer
Reviewer, Journal of Crystal Growth
Reviewer, Journal of Heat Transfer
Reviewer, American Society of Mechanical Engineers
Reviewer, Journal of Surface Coatings
Technion University in Israel (Krengel Fellow), NRC sponsored lectures in Portugal, NSF sponsored lectures in Yugoslavia and India and NASA sponsored lectures in Belgium.
Over 100 technical publications.