Synthetic Multifunctional Composites Group

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Nastic Materials

Synthetic Multifunctional Materials

Equal Channel Angular Extrusion

Fiber Fracture/Composites Processing/Nanocomposites

Sheet Forming of Composites

 

(The asterisk indicates a student coauthor.)

 

Nastic Materials

2005

*Lee, S.J., T. S. Creasy, M. J. O’Brien, and G. F. Hawkins. Numeric Study of a Nastic Material Smart Materials and Structures. In preparation

 

 

CONFERENCE PAPERS

2005

*Lee, S. J., T. S. Creasy, G. F. Hawkins, and M. J. O'Brien. Active Polymer Composite for MEMs Applications. Society of Plastics Engineering Annual Technical Conference (ANTEC). Boston, Massachusetts. May 1-5. Accepted.

 

2004

Hawkins, G. F., M. J. O'Brien, and T. S. Creasy. Nastic Materials Using Internally Generated Pressure. Invited presentation. Fifteenth International Conference on Adaptive Structures and Technologies. Bar Harbor, Maine. October 25-27.

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Synthetic Multifunctional Materials

2005

*Kim, J., T. S. Creasy, G. F. Hawkins, and M. J. O’Brien, The Characteristics of a Passive Machine Augmented Composite. Composite Structures, In preparation.

 

 

*McCutcheon, D. M., J. N. Reddy, M. J. O’Brien, T. S. Creasy, and G. F. Hawkins. Damping Composites Materials by Machine Augmentation Journal of Sound and Vibration, Submitted

 

2004

*Kim, J., T. S. Creasy, G. F. Hawkins, and M. J. O'Brien Dynamic characteristics of a passive machine augmented composite. Composites Part A: Applied Science and Manufacturing. Submitted.

 

 

CONFERENCE PAPERS

2005

*Kim, J. T. S. Creasy, G. F. Hawkins, and M. J. O'Brien. Performance of a Machine Augmented Composite. Society of Plastics Engineering Annual Technical Conference (ANTEC). Boston, Massachusetts. May 1-5.

 

 

*McCutcheon, D. M., J. N. Reddy, O. Ochoa, M. J. O'Brien, T. S. Creasy, and G. F. Hawkins. Development of Damping Machine Augmented Composite Materials. Society of Plastics Engineering Annual Technical Conference (ANTEC). Boston, Massachusetts. May 1-5.

 

2003

*Shelton, T., O. O. Ochoa, T. S. Creasy, *D. M. McCutcheon,  G. Hawkins, and M. O’Brien. Design of Micro-Channels for Energy Dispersion. Fourth Canadian International Composites Conference, CANCOM 2003, Ottawa, ON, August 19-22, 2003, CD-ROM

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Equal Channel Angular Extrusion

2005

Creasy, T. S. and *Y. S. Kang, Fiber Fracture during Equal Channel Angular Extrusion of Short Fiber Reinforced Thermoplastics. Journal of Materials Processing Technology. 160: 90-98

 

 

*Weon, J. I., T. S. Creasy, H. J. Sue, and A. J. Hsieh, Mechanical Behavior of Polymethylmethacrylate with Molecules Oriented via Extreme Simple Shear. Polymer Engineering and Science. 45: 314-324

 

2004

Creasy, T. S. and *Y. S. Kang, Fiber Orientation during Equal Channel Angular Extrusion of Short Fiber Reinforced Thermoplastics. Journal of Thermoplastic Composites 17:205-227

 

 

CONFERENCE PAPERS

2004

Creasy, T. S., and *Y.S. Kim. Equal-channel Angular Extrusion of Thermoplastic Matrix Composites for Sheet Forming and Recycling. Society of Plastics Engineers Automotive Composites Conference and Exhibition. Troy, Michigan. September 14-15. pp. 1-6 (Distributed on unnumbered CD ROM.)

 

 

*Kim, Y. S. and T. S. Creasy. Process for Orienting Discontinuous Fibers in Thermoplastics. Seventh International Conference on Flow Processes in Composite Materials (FPCM7). Newark, DE. July 7-9, 2004. pp. 29-34

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Fiber Fracture/Composites Processing/Nanocomposites

2005

Creasy, T.S., Numeric Study of Polymers Reinforced with a Tubular Elastic Element: Effects of a Granular Interface and Aspect Ratio Invited paper for a special issue of Composite Interfaces. In preparation.

 

2004

*S. Suryanarayan and T. S. Creasy, Analysis of interface granularity in discontinuous fiber composites. Journal of Adhesion Science and Technology. Invited paper for special issue. Submitted.

 

 

*Kim, J. and T. S. Creasy, Measurement of Sintering Characteristics of Clay-Reinforced Polyamide 6 Nanocomposite. Polymer Testing 23: 629-636

 

2002

Creasy, T. S., Modeling Analysis of Tensile Tests of Bundled Filaments with a Bimodal Weibull Survival Function. Journal of Composite Materials 36:183-194.

 

 

*Morrison, B. J., T. S. Creasy, A. A. Polliack, R. Fite, A New Fabrication Technique Utilizing a Composite Material Applied to Orthopedic Bracing. Polymer Composites 23:10-20.

 

2000

Creasy, T. S., Forming Discontinuous Fiber Arrays by Fracture of Lubricated Carbon-Filament Tows. Journal of Materials Science 35:4431-4438.

 

 

*Dooley, T., T. S. Creasy and *A. Cuellar, Extraction of Weibull Parameters from Fiber Bundle Experiments Through Fourier Deconvolution. Composites Part A 31:1255-1261.

 

 

Creasy, T. S., A Method of Extracting Weibull Survival Model Parameters from Filament Bundle Load/Strain Data. Composites Science and Technology 60:825-832.

 

 

CONFERENCE PAPERS

2005

*Ju, J., R. J. Morgan, T. C. Creasy and S. Hafernik. Statistical Approach to Evaluate Composite Damage (Design of Experiment and Evaluation). Society of Plastics Engineering Annual Technical Conference (ANTEC). Boston, Massachusetts. May 1-5.

 

2004

*Suryanarayan, S., and T. S. Creasy. Implications of a Granular Interface in Carbon Nanotube Reinforced Polymers. Invited presentation. Third International Symposium on Interfaces in Polymer Composites and Laminates with Particular Focus at the Nanoscale. Savannah, Georgia. December 7-8.

 

 

Froyd, J., T. Creasy, I. Karaman, W. Teizer, and R. Caso. Undergraduate Educational Components for Nanoscale Issues in Manufacturing. American Society for Engineering Education. Salt Lake City, Utah June 20-23. Unnumbered, 12 pages.

 

 

*Kim, J., and T. S. Creasy. Measurement of Sintering Characteristics of Clay-Reinforced Polyamide 6 Nanocomposite. Society of Plastics Engineering Annual Technical Conference (ANTEC). Chicago, Illinois. May 1-5. pp. 1325-1329

 

2002

*Kim, J. and T. S. Creasy. The SLS characteristics of 1.8wt% clay nanoparticle/Nylon 6 composite. The Thirteenth Solid Freeform Fabrication Symposium. Austin, Texas. August 5-7, 2002. pp. 224-230.

 

 

Griffin, R. B., T. S. Creasy, and *J. Weinstein. Laboratory Activity Using Rapid Prototyping and Casting. Proceedings of the 2002 American Society for Engineering Education Annual Conference & Exposition. Montréal, Quebec Canada. June 16-19. Unnumbered, 5 pages.

 

2001

Griffin, R. B., and T. S. Creasy. The Development of a Combined Materials/Manufacturing Processes Course at Texas A&M University. Proceedings of the 2001 American Society for Engineering Education Annual Conference & Exposition. Albuquerque, New Mexico. June 24 – 27. Unnumbered, 6 pages.

 

 

Creasy, T. S., A. A. Polliack, *B. J. Morrison and R. Fite. Novel Fabrication of Composite Orthopaedic Braces through Partial Curing. Houston Society for Engineering in Medicine and Biology 19th Annual Conference. Houston, Texas. February 8-9. p. 19.

 

2000

Polliack, A. A., R. Fite, S. Landsberger, D. McNeal, and T. S. Creasy. Development of Advanced Composite AFOs for Children with Myelomeningocele. American Academy of Orthotists and Prosthetists Western and Midwest Orthotic Prosthetic Association. Clinical Program, June 9, Reno NV

 

 

Polliack, A. A., R. Fite, S. Landsberger, D. McNeal, and T. S. Creasy. Fabrication of Orthoses with Advanced Composites. American Academy of Orthotists and Prosthetists Western and Midwest Orthotic Prosthetic Association. Technical Education Program, June 10, Reno NV

 

 

Creasy, T.S., *T. Dooley, and *A. Cuellar. Filament Interaction During Failure In Bundles Under Tension SAMPE ISSE 45th International Symposium Long Beach, California. May 21-25, 45:1639-1650

 

 

*Morrison, B. J., T. S. Creasy, A. A. Polliack, and R. Fite. Partial Curing Of A Composite Material: A Novel Fabrication Technique For Creating Orthopedic Braces SAMPE ISSE 45th International Symposium Long Beach, California. May 21-25, 45:448-459

 

 

Polliack, A. A., R. Fite, S. Landsberger, D. McNeal, and T. S. Creasy. Development of Lower Extremity Advanced Composite Orthotics for Children with Myelomeningocele.  Proceedings of the Association of Children's Prosthetic-Orthotic Clinics.  April 26-29, Banff, Canada, pp. 29

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Sheet Forming of Composites

1997

Creasy, T.S. and S.G. Advani, A Model Long-Discontinuous-Fiber Filled Thermoplastic Melt in Extensional Flow. Journal of Non-Newtonian Fluid Mechanics 73:261-278.

 

1996

Creasy, T.S., S.G. Advani and R.K. Okine, Non-linear Response of a Long Discontinuous-Fiber/Melt System in Elongational Flows. Rheological Acta 35:347-355.

 

 

Creasy, T.S., S.G. Advani and R.K. Okine, Transient Rheological Behavior of a Long Discontinuous Fiber-Melt System. Journal of Rheology 40:497-519.

 

 

CONFERENCE PAPERS

1998

Creasy, T. S. and S. G. Advani, Rheology of Discontinuous Fiber Arrays in Elongation Invited paper. ASME International Mechanical Engineering Congress & Exposition Anaheim, California, FED-246/MD-81:131-136.

 

1997

Creasy, T. S. and S. G. Advani, Elongational Flow of Long Discontinuous Fiber Composites ASME International Mechanical Engineering Congress & Exposition Dallas, Texas, FED-243:171-176

 

1996

Creasy, T. S. and S. G. Advani, Extensional flow of a model long discontinuous fiber filled thermoplastic melt ASME International Mechanical Engineering Congress & Exposition Atlanta, Georgia, AMD-217:195-206.

 

1995

Creasy, T. S. and S.G. Advani, Experimental Investigation of Non Newtonian Behavior of Thermoplastic Composites During Forming Process. ASME International Mechanical Engineering Congress & Exposition San Francisco, California. FED-231:141-152

 

1994

Creasy, T. S., S. G. Advani, and R. K. Okine, Characterization of Elongational Flow of Fiber Filled Systems. 66th Annual Meeting of the Society of Rheology Philadelphia, Pennsylvania.

 

1992

Pipes, R.B. D. W. Coffin, T. S. Creasy, S. F. Shuler, P. Simacek, More on the Rheological Behavior of Collimated Fiber Thermoplastic Composite Materials. Proc. of the American Society for Composites Seventh Technical Conference on Composite Materials University Park, Pennsylvania pp. 159-167

 

1982

Kibler, K. G. and T. S. Creasy, The Effects of Humidity on the Processing and Performance of a Structural Adhesive National SAMPE Symposium and Exhibition, 27th Proc. of the Society for the Advancement of Material and Process Engineering Azusa, California. p 416-427

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