Department of Mechanical Engineering
Research and Characterization of Composites and Polymers Lab
Research and Characterization of Composites and Polymers Lab

Publications

Journal Publications

  1. "Practical Method for Modeling Directionality of Liquid Crystalline Polymers," A. Ahmadzadegan, M.A. Zimmerman and A. Saigal, Engineering Applications of Computational Fluid Mechanics, Vol. 7, No. 3, 2013, pp. 346-354.
  2. "Modeling Directionality of Liquid Crystalline Polymers on Arbitrary Meshes," A. Ahmadzadegan, M.A. Zimmerman and A. Saigal, Modeling and Numerical Simulation of Material Science (MNSMS), 3(1), January 2013, pp. 1-6. doi:10.4236/mnsms.2013.31001
  3. "Modeling Multiaxial Impact Behavior of a Glassy Polymer," Y. Duan, A. Saigal, R. Greif and M.A. Zimmerman, Materials Research Innovations, February 2003, 7(1), pp. 10-18.
  4. "Impact Behavior and Modeling of Engineering Polymers," Y. Duan, A. Saigal, R. Greif and M.A. Zimmerman, Polymer Engineering & Science, January 2003, 43(1), pp. 112-124.
  5. "Analysis of Multiaxial Impact Behavior of Polymers," Y. Duan, A. Saigal, R. Greif and M.A. Zimmerman, Polymer Engineering & Science, 42(2), February 2002, pp. 395-402.
  6. "A Uniform Phenomenogical Constitutive Model for Glassy and Semicrystalline Polymers," Y. Duan, A. Saigal, R. Greif and M.A. Zimmerman, Polymer Engineering and Science, 41(8), August 2001, pp. 1322-1328.
  7. "The Short and Long Term Properties of a Liquid Crystalline Polymer at Elevated Temperatures: Characterization and Modeling," A. Saigal, V. DiFilippo, and M.A. Zimmerman, Journal of Electronic Materials, 26(7), 1997, pp. 847-851.

Refereed Conference Proceedings

  1. "Quantifying the Directionality of Liquid Crystalline Polymers in Extrusion Processes Using an Order Parameter," A. Sullivan, R. Fragoudakis, A. Saigal and M.A. Zimmerman, Proceedings of International Mechanical Engineering Congress and Exposition 2015, Houston, TX, November 13-19, 2015, IMECE2015-52658.
  2. "Cantilever Box-Beam Application of Composite Stacking Sequence Optimization Using Adaptive Genetic Algorithm" D. Gutierrez-Delgadillo, R. Fragoudakis, M.A. Zimmerman and A. Saigal, TMS2015 Annual Meeting Supplemental Proceedings, Computational Modeling and Stochastic Methods for Materials Discovery and Properties, Orlando, FL, March 15-19, 2015, pp. 705-712.
  3. "Selection of Joint Design for a Modular Wind Turbine Blasé Design," S. Tusavel, R. Fragoudakis, A. Saigal, K. Smith and M.A. Zimmerman,Proceedings of 4th International Conference on Composites: Characterization, Fabrication and Application (CCFA-4), Teheran, Iran, December 16-17, 2014. (Article code: A-10-1169-1)
  4. "Optimization of Composite Laminates Stacking Sequence for Buckling using Adaptive Genetic Algorithm," D. Gutierrez-Delgadillo. A. Saigal and M.A. Zimmerman, Proceedings of the 2014 World Congress on Advances in Civil, Environmental, and Materials Research (ACEM'14), International Conference on Advances in Materials Research (ICAM14), Busan, Korea, August 24-28, 2014, T4E-6_MR.
  5. "Thermoplastic Materials for Wind Turbine Blade Design," S. Tusavel, R. Fragoudakis. A. Saigal and M.A. Zimmerman, Proceedings of the 2014 World Congress on Advances in Civil, Environmental, and Materials Research (ACEM'14), International Conference on Advances in Wind and Structures (AWAS14), Busan, Korea, August 24-28, 2014, T3A_6-WS.
  6. "Non-Contact Dielectric Characterization of Lithium Ionic Electrolyte Polymer at Radio Frequencies," L. Chao, M.N. Afsar, M.A. Zimmerman and A. Saigal, Proceedings of International Conference on Mechanical Design, Manufacture and Automation Engineering (MDMAE2014), Phuket, Thailand, January 11-12, 2014, pp.351-355.
  7. "Numerical and Experimental Measurements of Die Swell for a LCP and an Amorphous Polymer," A. Ahmadzadegan, M.A. Zimmerman and A. Saigal Proceedings of International Mechanical Engineering Congress and Exposition 2013, San Diego, CA, November 13-21, 2013, IMECE2013-63723.
  8. "The Effect of Yield Strength and Thickness of a Ag Ductile Layer in Minimizing Si Die Stresses in LDMOS Packages," R. Fragoudakis, M.A. Zimmerman, A. Saigal, Periodical of Key Engineering Materials, Proceedings of the 3rd International Conference on Materials and Applications for Sensors and Transducers (IC-MAST 2013), September 13-17, 2013, Prague, Czech Republic, Vol. 605 (2014), pp. 372-375.
  9. "Introduction of a Ductile Layer to Minimize Thermal Stresses in LDMOS Packages," R. Fragoudakis, M.A. Zimmerman  and A. Saigal, Proceedings of the 3rd International Conference of Engineering Against Failure (ICEAF III), Kos Island, Greece, June 26-28, 2013, pp. 1020-1029.
  10. "Techniques to Identify the Dielectric Properties and Morphology of LCP Composites in Different Directions," L. Chao, R. Fragoudakis, M. A. Zimmerman, A. Saigal and M.N. Afsar, Proceedings of the 3rd International Conference of Engineering Against Failure (ICEAF III), Kos Island, Greece, June 26-28, 2013, pp. 513-518.
  11. "Preparing TEM Samples of Polymeric Materials," R. Fragoudakis, M. A. Zimmerman and A. Saigal, Proceedings of 24th Canadian Congress of Applied Mechanics (CANCAM), Saskatoon, SK, Canada, June 2-6, 2013, Paper MS26, pp. MS-100:MS-103.
  12. "Optimization Techniques for Composite Laminates," M.A. Zimmerman, A. Saigal, X. Xiao and R. Fragoudakis, SAMPE 2013 Proceedings: Education & Green Sky – Materials Technology for a Better World, Long Beach, CA, May 6-9, 2013, pp. 1082-1092.
  13. "Non-Contact Dielectric Characterization of Lithium Ionic Solid Electrolyte Polymer," L. Chao, M.N. Afsar, M.A. Zimmerman and A. Saigal, 2013 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Proceedings, Minneapolis, MN, May 6-9, 2013, pp. 925-930.
  14. "Simulating Directionality of Liquid Crystalline Polymers," A. Ahmadzadegan, M.A. Zimmerman and A. Saigal, Proceedings of ANTEC 2013, April 22-24, 2013, pp. 2135-2141.
  15. "Impact Behavior of Liquid Crystal Polymers," A. Saigal, D. Ward and M.A. Zimmerman, Proceedings of International Mechanical Engineering Congress and Exposition 2012, Houston, TX, November 9-15, 2012, IMECE2012-89096.
  16. "Investigating the Rheology of LCPs through Different Die Geometries," A. Ahmadzadegan, A. Saigal and M.A. Zimmerman, Proceedings of 2012 TMS Annual Meeting, Characterization of Minerals, Metals, and Materials, J.Y. Hwang, S.N. Monteiro, C. Bai, et al. (Eds.), Walt Disney World, FL, March 11-15, 2012, pp. 349-356.
  17. "Extrusion of Liquid Crystal polymer Films," A. Ahmadzadegan, M.A. Zimmerman and A. Saigal, Proceedings of ANTEC 2011, Society of Plastics Engineers, Boston, MA, May 1-5, 2011.
  18. "Analysis of Eutectically Soldered Silicon Chips on a Copper Flange with Innovative Ductile Layer Technology," P. Zhou, M.A. Zimmerman and A. Saigal, Proceedings of 2011 TMS Annual Meeting, Volume 3: General Paper Selections, San Diego, CA, February 27-March 3, 2011, pp. 405-412.
  19. "Development of a New Modeling Technique for Die Geometry for Extrusion of LCP Films," A. Ahmadzadegan, M.A. Zimmerman and A. Saigal, Proceedings of 2011 TMS Annual Meeting, Volume 3: General Paper Selections, San Diego, CA, February 27-March 3, 2011, pp. 349-356.
  20. "Reliability of Wedge Wire Bonds Subjected to Ultrasonic Welding and Thermal Cycling," A. Saigal, M.A. Zimmerman and J. Battaglia, Proceedings of 2011 TMS Annual Meeting, Volume 3: General Paper Selections, San Diego, CA, February 27-March 3, 2011, pp. 59-66.
  21. "Polarization Measurements of Molded Liquid Crystal Polymer/Titania Composites," B. Dantal, A. Saigal and M.A. Zimmerman,  Proceedings of International Mechanical Engineering Congress and Exposition 2010, Vancouver, British Columbia, Canada, November 12-18, 2010, IMECE2010-37558.
  22. "Characterization of a New Titanium Dioxide-Polymer Nanocomposite Material for Electronic Packaging using Light Scattering Spectroscopy," B. Dantal, S. Gupta, A. Saigal, M. Zimmerman and I. Georgakoudi, Proceedings of International Mechanical Engineering Congress and Exposition 2008, Boston, MA, October 31 –November 6, 2008, IMECE2008-69194.
  23. "Effect of Size and Spatial Distribution of Titania Pigments in Injection Molded Parts on Surface Reflectance," B. Dantal, A. Saigal and M.A. Zimmerman, Proceedings of International Mechanical Engineering Congress and Exposition, Seattle, WA, November 10-16, 2007, IMECE2007-43516.
  24. "Characterization of a New Titanium Dioxide-Polymer Composite Material for Electronic Packaging Applications," B. Dantal, A. Saigal and M.A. Zimmerman, Paper # 69_Sai, Proceedings of the International Conference on Experimental Mechanics (ICEM-13), Springer, E.E. Gdoutos (Ed.), Alexandroupolis, Greece, July 1-6, 2007.
  25. "Miillimeter Wave Spectroscopy and Materials Characterization of Refractive Liquid Crystal Polymer/Titania Composites," B. Dantal, A. Saigal, M.A. Zimmerman, K. Korolev, M. Afsar and U. Khan, Proceedings of Third International Conference on Computational Methods and Experiments in Material Characterization, A.A. Mammoli & C.A. Brebbia (Eds.), Bologna, Italy, 13-15 June 2007, pp. 281-289.
  26. "Characterization of Wire Bonds Subjected to Ultrasonic Welding and Thermal Cycling," P. Silva, A. Saigal, R. Greif and M.A. Zimmerman, Proceedings of TMS2007,  Electronic, Magnetic and Photonics Materials, Feb. 25 – Mar. 1, 2007, pp. 23-31.
  27. "Multiaxial Impact Behavior and Modeling of ABS Polymer," A. Saigal, R. Greif, Y. Duan and M.A. Zimmerman, Symposium on Reliability, Stress Analysis, and Failure Prevention, International Mechanical Engineering Congress and Exposition, New York, NY, November 11-16, 2001, DE-25107.
  28. "Examining Multiaxial Impact Behavior of Polymer Materials," G. Lawrence, A. Saigal, M.A. Zimmerman, R. Greif and Y. Duan, Polymeric Systems (MD-Vol. 88), International Mechanical Engineering Congress and Exposition, Nashville, TN, Nov. 14-19, 1999, pp. 3-7.
  29. "Modeling Destructive Impact Behavior of Tri-Layer Polymer Composite Discs Using ABAQUS/ Explicit," G. Lawrence, Y. Duan, A. Saigal, R. Greif and M.A. Zimmerman, Proceeding of the 1999 ABAQUS Users' Conference, Chester, United Kingdom, May 26-28, 1999, pp. 521-531.
  30. "Characterization and Modeling of the Creep Behavior of Xydar G930 Liquid Crystalline Polymer," V. DiFilippo, A. Saigal and M.A. Zimmerman, Structural Analysis in Microelectronics and Fiber Optic Systems, E. Suhir (Ed.), International Mechanical Engineering Congress and Exposition,, Atlanta, GA, November 17-22, 1996, pp. 37-44.
  31. "The Short and Long Term Properties of a Liquid Crystalline Polymer at Elevated Temperatures: Characterization and Modeling," V. DiFilippo, A. Saigal and M.A. Zimmerman, Creep and Stress Relaxation in Miniature Structures and Components, H.D. Merchant (Ed.), TMS Fall Meeting (Materials Week), Cincinnati, OH, Oct. 6-10, 1996, pp. 161-170.
  32. "The Mechanical Properties, Creep and Fracture of Xydar 930 Liquid Crystalline Polymer at Elevated Temperatures," V. DiFilippo, A. Saigal and M.A. Zimmerman, Proceedings of the Symposium on Inelasticity and Damage in Solids Subject to Microstructural Change, St. John's, Newfoundland, Sept. 25-27, 1996, pp. 113-122.
  33. "High Temperature Creep Properties of Liquid Crystal Polymers," V. DiFilippo, A. Saigal and M.A. Zimmerman, Structural Analysis in Microelectronics and Fiber Optic Systems, E. Suhir (Ed.), International Mechanical Engineering Congress and Exposition, San Francisco, CA, Nov. 12-17, 1995, pp. 133-141.
  34. "High Temperature Creep Properties of Liquid Crystal Polymers," V. DiFilippo, A. Saigal and M.A. Zimmerman, 40th International SAMPE Symposium, Anaheim, CA, May 8-11, 1995, pp. 1445-1453.
  35. "Characterization of Creep Properties of Liquid Crystalline Polymers," S. Sood, M. Balian, A. Saigal and M.A. Zimmerman, Structural Analysis in Microelectronics and Fiber Optics, E. Suhir (Ed.), ASME Winter Annual Meeting, Nov. 28 - Dec. 3, 1993, pp. 11-25.