Center for Composite Materials - University of Delaware
University of Delaware

Publications

MEDE Project | MEDE Research Activities | MEDE Posters

Composites
Project: High Rate Test Methods for Interphase Characterization
Project: Filament and Tow Modeling
Project: High Strain Rate Fiber-Matrix Interfacial Traction Laws
Project: Synthesis and Characterization of Epoxy Networks with Controlled Topology
Project: Meso-Mechanical Modeling of Canonical Perforation Experiments
Project: Characterization of Composite Materials
Project: Micromechanical FE Modeling of Tensile Failure of Unidirectional Composites
Project: Micro-Mechanical Modeling of Progressive Punch-Shear Behavior of Uni-Directional Composites

Polymers
Project: Characterization of Meso/Nanoscale Domains in UHMW PE Filaments
Project: Modeling and Experiments of High Performance Polymer Fibers Subjected to Multiaxial Loading

Composites

High Rate Test Methods for Interphase Characterization

Tamrakar, S., Ganesh, R., Sockalingam, S., Gama, B. Z., Gillespie Jr., J. W. “Thermo-mechanical response of epoxy resin at different rates of loading”, Materials and Design, (In preparation).
Tamrakar, S., B. Haque, J. W. Gillespie, Jr., “High Rate Test Method for Fiber-Matrix Interface Characterization,” Polymer Testing, 52, pp 174-183, 2016. http://dx.doi.org/10.1016/j.polymertesting.2016.04.016
Tamrakar, S., Q. An, E. T. Thostenson, A. Rider, B. Z. Haque, and J. W. Gillespie, Jr., “Tailoring Interfacial Properties by Controlling Carbon Nanotube Coating Thickness on Glass Fibers using Electrophoretic Deposition,” American Chemical Society Applied Materials & Interfaces, http://dx.doi.org/10.1021/acsami.5b10903; 8 (2) pp. 1501-1510, December 2015.
Tamrakar, S., S. Sockalingam, E. T. Thostenson, B. Z. (Gama) Haque, and J. W. Gillespie, Jr., “Monitoring Crack Growth Along the Interface in a Microdroplet Specimen Using Non-invasive Carbon Nanotube Sensors,” American Society for Composites 31st Technical Conference, Williamsburg, VA, September 19-22, 2016.
Tamrakar, S., S. Sockalingam, B. Z. (Gama) Haque, and J. W. Gillespie, Jr., “High Strain Rate Fiber Matrix Interface Characterization – Experimental Testing and Finite Element Analysis,” SAMPE 2014, Seattle, WA, June 2-5, 2014.
Tamrakar, S., B. Z. (Gama) Haque, and J. W. Gillespie, Jr., “High Rate Test Method for Fiber-Matrix Interface Characterization, SAMPE 2014, Seattle, WA, June 2-5, 2014.
Tamrakar, S., B. Z. (Gama) Haque, and J. W. Gillespie, Jr., “Modeling and Simulation of the Miniature Tensile Hopkinson Bar for Characterizing the Dynamic Properties of Fibers,” American Society for Composites 27th Technical
Tamrakar, B. Z. (Gama) Haque, J. W. Gillespie Jr. “Investigation of stress wave propagation in microdroplet test specimen for interphase characterization at high loading rates.” MACH Conference, April 10-12, 2013, Annapolis, Maryland, USA
Tamrakar, S. Sockalingam, B. Z. (Gama) Haque, J. Gillespie. “Rate dependent fiber matrix interface properties – Experimental testing and finite element analysis” MACH Conference, April 9-11, 2014, Annapolis, Maryland, USA
Tamrakar, S., Sockalingam, S., Haque, B.Z., Gillespie Jr, J.W., “Rate dependent fiber matrix interface properties – Experimental testing and finite element analysis”, Mach Conference, Annapolis, MD, 2014

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Filament and Tow Modeling

Nilakantan, G., R. L. Merrill, M. Keefe, J. W. Gillespie., Jr., and E. D. Wetzel, “Experimental Investigation of the Role of Frictional Yarn Pull-Out and Windowing on the Probabilistic Impact Response of Kevlar Fabrics,” http://dx.doi.org/10.1016/j.compositesb.204.08.033; Composites Part B, 68, pp. 215-229, 2015.
Nilakantan, G. and J. W. Gillespie, Jr., “Yarn Pull-Out Behavior of Plain Woven Kevlar Fabrics: Effect of Yarn Sizing, Pull-Out Rate, and Fabric Pre-Tension,” Composite Structures, http://dx.doi.org/10.1016/j.compstruct.2013.02.018, 101, pp. 215-224, 2013.
Nilakantan, G., E. D. Wetzel, T. A. Bogetti, and J. W. Gillespie, Jr., “A Deterministic Finite Element Analysis of the Effects of Projectile Characteristics on the Impact Response of Fully Clamped Flexible Woven Fabrics,” Composite Structures, http://dx.doi.org/10.1016/j.compstruct.2012.07.023; 95, pp. 191-201, January 2013.
Nilakantan, G. and J. W. Gillespie, Jr., “Ballistic Impact Modeling of Woven Fabrics Considering Yarn Strength, Friction, Projectile Impact Location, and Fabric Boundary Condition Effects,” Composite Structures, http://dx.doi.org/10.1016/j.compstruct.2012.05.030; 94 (12), pp. 3624-3634, Dec. 2012.
Nilakantan, G., E. D. Wetzel, T. A. Bogetti, J. W. Gillespie, Jr., “Finite Element Analysis of Projectile Size and Shape Effects on the Probabilistic Penetration Response of High Strength Fabrics,” Composite Structures, http://dx.doi.org/10.1016/j.compstruct.2011.12.028, 94, (5) pp. 1846–1854, April 2012.
Nilakantan, G., M. Keefe, E. D. Wetzel, T. A. Bogetti, and J. W. Gillespie, Jr., “Effect of Statistical Yarn Tensile Strength on the Probabilistic Impact Response of Woven Fabrics,” Composites Science and Technology, http://dx.doi.org/10.1016/j.compscitech.2011.11.021, 72 (2), pp.320-329, January 2012.
Chowdhury S. C., Elder R. M., Haque B. Z., Sirk T. W., Andzelm J. W., and Gillespie Jr. J. W., “Effect of Cross-Linker Length on Epon 828 Resin Properties: A Molecular Dynamics Simulation Study”, European Physical Journal, to be submitted, 2016.
Chowdhury S. C. and Gillespie Jr. J. W., “Study the Effects of Surface Crack on Glass Fiber Properties using Molecular Dynamics Simulation”, Journal of Materials Science, to be submitted, 2016.
Chowdhury S. C., Elder R. M., Sirk T. W., and Gillespie Jr. J. W., “Study of the Epoxy-Sizing Interaction using Molecular Dynamics Simulation”, Polymer, to be submitted, 2017.
Chowdhury S. C., Elder R. M., Sirk T. W., and Gillespie Jr. J. W., “Optimization of the Structure and Composition of Glass Fiber Sizing : A Molecular Dynamics Simulation Study”, Computational Materials Science, to be submitted 2017.
Chowdhury, S. C., B. Z. (Gama) Haque, J. W. Gillespie., Jr., “Molecular Dynamics Simulations of the Structure and Mechanical Properties of Silica Glass using ReaxFF,” Journal of Materials Science, http://dx.doi.org/10.1007/s10853-016-0242-8, 51 (22), pp. 10139-10159, 2016.
Chowdhury, S. C., R. M. Elder, T. W. Sirk, B. Z. (Gama) Haque, J. W. Andzelm, and J. W. Gillespie, Jr., “Molecular Dynamics Study of the Mechanical Properties of Silica Glass Using ReaxFF,” American Society for Composites 31st Technical Conference, Williamsburg, VA, September 19-22, 2016.
Chowdhury, S. C., R. M. Elder, T. W. Sirk, B. Z. (Gama) Haque, J. W. Andzelm, and J. W. Gillespie, Jr., “Effect of Cross-Linker Length on Epon 828 Resin Properties using Molecular Dynamics Simulation,” American Society for Composites 30th Technical Conference, Michigan State University, September 28-30, 2015.
Chowdhury, S. C., R. M. Elder, T. Sirk, B. Z. (Gama) Haque, J. W. Andzelm, and J. W. Gillespie, Jr., “Modeling Glass Fiber Sizing Interphase Layer using Molecular Dynamics Simulations,” SAMPE 2015, Baltimore, MD, May 18-21, 2015.
Chowdhury, S. C., B. Z. (Gama) Haque and J. W. Gillespie Jr., “Study of the Interaction of Silica Glass Surface with Water and Silane Coupling Agent”, Proceedings of the American Society for Composites 29th Technical Conference, September 8-10, 2014, UC San Diego, CA, USA
Chowdhury, S. C., B. Z. (Gama) Haque, J. W. Gillespie, Jr., A. C. T. van Duin, and J. W. Andzelm, “Molecular Simulations of Silica-Water-Silane System Using Reactive Force Field Potential REAXFF,” SAMPE 2014, Seattle, WA, June 2-5, 2014.
Chowdhury, S. C., B. Z. (Gama) Haque, and J. W. Gillespie, Jr., Molecular Simulations of Silica Surface in Presence of Water,” ASC 28th Technical Conference, University Park, State College, PA, September 9-11, 2013.
C. Chowdhury, R. M. Elder, T. W. Sirk, B. Z. (Gama) Haque, J. W. Andzelm, and J. W. Gillespie Jr., “Study of the Glass-Sizing Interphase using Molecular Dynamics Simulations”, MACH Conference, April 6-8, 2016, Annapolis, Maryland, USA. (Poster Presentation)
C. Chowdhury, B. Z. (Gama) Haque, J. W. Gillespie Jr., R. M. Elder, T. W. Sirk, J. W. Andzelm, and A. C. T. Duin, “Molecular Dynamics Simulations of Glass Fiber Sizing Layer”, MACH Conference, April 8-10, 2015, Annapolis, Maryland, USA.
C. Chowdhury, B. Z. (Gama) Haque, J. W. Gillespie Jr., T. L. Chantawansri, J. W. Andzelm, and A. C. T. Duin, “Study of the Interaction of Silica Glass Surface with Water and Silane Coupling Agents”, MACH Conference, April 9-11, 2014, Annapolis, Maryland, USA.
Sockalingam, S., Gillespie Jr, J.W., Keefe, M., “Modeling of composite interfaces – role of residual stresses”, Mach Conference, Annapolis, MD, 2013

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High Strain Rate Fiber-Matrix Interfacial Traction Laws

Tamrakar, S., Sockalingam, S., Gillespie Jr, J.W., “Role of resin plasticity in the microdroplet test method”, Composites Part A, to be submitted, 2017.
Misumi, J., R. H. Ganesh, S. Sockalingam, and J. W. Gillespie, “Experimental Characterization of Tensile Properties of Epoxy Resin by Using Micro Fiber Specimens,” Journal of Reinforced Plastics and Composites, http://dx.doi.org/1177/0731684416669248, September 21, 2016.
Gao, X., R. E. Jensen, W. Li, B. Z. (Gama) Haque, J. W. Gillespie, Jr., and S. H. McKnight, “Effect of Fiber Surface Texture on the Mechanical Properties of Glass Fiber Reinforced Epoxy Composite,” Composites Part A, Pll: S1359-835X(15)00112-8, http://dx.doi.org/10.1016j.compositesa.2015.03.023; 74, pp. 10 – 17, July 2015.
Dey, M., J. Deitzel, J. W. Gillespie, Jr., and S. Schweiger, “Influence of Sizing Formulations on Glass/Epoxy Interphase Properties,” Composites Part A, http://dx.doi.org/10.1016/j.compositesa.2014.04.006, 63, pp 59-67, 2014.
Sockalingam, S., M. Dey, J. W. Gillespie, Jr. and M. Keefe, “Finite Element Analysis of the Microdroplet Test Method using Cohesive Zone Model of the Fiber / Matrix Interface,” Composites Part A: Applied Science and Manufacturing http://dx.doi.org/10.1016/j.compositesa.2013.10.021, 56 (2) pp. 239 – 247, Jan. 2014.
Misumi, J., R. Ganesh, S. Sockalingam, and J. W. Gillespie, Jr.,” Evaluation of Size Effect on Epoxy Resin Tensile Properties using Micro-Scaled Specimens,” SAMPE 2015, Baltimore, MD, May 18-21, 2015.
Sockalingam, S., J. W. Gillespie, Jr., and M. Keefe, “Detailed Modeling and Analysis of Single-Fiber Microdroplet Test using Cohesive Zone Approach,” SAMPE 2013, Long Beach, CA, May 6-9, 2013.

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Synthesis and Characterization of Epoxy Networks with Controlled Topology

Sharifi, M., B. Z. Haque, J. W. Gillespie, Jr., and G. R. Palmese, “Rate Dependent Mechanical Behavior of Polymer Network Isomers with Controlled Topology,” Proc. SAMPE 2015.

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Meso-Mechanical Modeling of Canonical Perforation Experiments

Ballistic Perforation Mechanics of Single Layer Plain-Weave S-2 Glass/SC15 Composites. Daniel J. O’Brien, Bazle Z. (Gama) Haque, Christopher S. Meyer, Nebiyou Getinet, Jian H. Yu, Kadir Aslan, John W. Gillespie Jr. (In preparation).
Mesomechanical Damage Evaluation of Plain Weave Composites Using X-ray Computed Tomography. Christopher S. Meyer, Jennifer M Sietins, Daniel J. O’Brien, Bazle Z. (Gama) Haque, John W. Gillespie, Jr. (In preparation).
Mesomechanical Modeling of Tensile Damage Modes in Woven Fabric Composites. Christopher S. Meyer, Bazle Z. (Gama) Haque, Molla A. Ali, Daniel J. O’Brien, John W. Gillespie, Jr. (In preparation).
Hinton, M. J., A. S. Kaddour, S. T. Pinho, G. M. Vyas, P. Robinson, Z. M. Huang, Y. X. Zhou, A. Rotem, N. Carrere, F. Laurin, J. F. Maire, D. Zhang, L. Xu, J. Ye, Y. Huang, C. Jin, S. K. Ha, T. A. Bogetti, J. Staniszewski, B. P. Burns, C. P. R. Hoppel, J. W. Gillespie, Jr., J. Tierney, A. C. Hansen, E. E. Nelson, and D. J. Kenik, “The Second World-Wide Failure Exercise (WWFE-II): Part B: Evaluation of Theories for Predicting Failure in Polymer Composite Laminates Under 3-D States of Stress: Comparison with Experiments Preface”, Journal of Composite Materials, (Special Issue) 47 (6-7), pp. 643-652, March 2013.
Bogetti, T. A., J. Staniszewski, B. P. Burns, C. P. R. Hoppel, J. W. Gillespie, Jr., and J. Tierney, “Predicting the Nonlinear Response and Progressive Failure of Composite Laminates under Tri-Axial Loading: Correlation with Experimental Results,” Journal of Composite Materials, http://dx.doi.org/10.1177/0021998312462616, 47 (6-7), pp. 793-804, March 2013.
Meyer, C. S., C. T. Key, B. Z. (Gama) Haque, J. W. Gillespie, Jr., “Initial Experimental Validation of a Eulerian Method for Modeling Composites,” Conference Proceedings of the Society for Experimental Mechanics Series, Dynamic Behavior of Materials, Vol 1, 2017, pp. 103-110, Springer International Publishing.
Haque, B. Z. (Gama) and J. W. Gillespie, Jr., “Progressive Composite Damage Modeling in LS-DYNA using MAT162: Part A – Properties and Parameters,” American Society for Composites 30th Technical Conference, Michigan State University, September 28-30, 2015.
Haque, B. Z. (Gama) and J. W. Gillespie, Jr., “Progressive Composite Damage Modeling in LS-DYNA using MAT162: Part B – Model Validating Experiments,” American Society for Composites 30th Technical Conference, Michigan State University, September 28-30, 2015.
O’Brien, D. J., C. S. Meyer, N. Getinet, and J. H. Yu, U.S. Army Research Lab, Aberdeen ProvingGround, MD; Haque, B. Z. (Gama) and J. W. Gillespie, University of Delaware, “Ballistic Perforation Mechanics of Single Layer Plain-Weave S-2 Glass/SC15 Composites,” SAMPE 2015, Baltimore, MD, May 18-21, 2015.
Haque, B. Z. (Gama), J. W. Gillespie, Jr., “Experiment and Analysis of Depth of Penetration Experiments on Thick-Section S-2 Glass/Sc15 Composites,” SAMPE 2014, Seattle, WA, June 2-5, 2014.
Bazle Z. (Gama) Haque, and John W. Gillespie Jr. “Penetration Mechanics of Composites & Canonical Model Experiments.” Presentation, MACH Conference 2014.
Christopher S. Meyer, Bazle Z. (Gama) Haque, John W. Gillespie Jr., Daniel J. O’Brien. “Toward Meso-mechanical Modeling of Plain Weave Architecture for Ballistic Perforation of Composites.” Presentation, MACH Conference 2016, April 5-8, Annapolis, MD.
Bazle Z. (Gama) Haque, Molla A. Ali, and John W. Gillespie Jr. “Transverse Impact on UHMWPE Soft Ballistic Sub-Laminate (SBSL) & Armor Pack (SBAP).” Presentation, MACH Conference 2016
Bazle Z. (Gama) Haque, Molla A. Ali, and John W. Gillespie Jr. “Modeling Transverse Impact on UHMWPE Soft Ballistic Sub-Laminate (SBSL).” Presentation, MACH Conference 2015.

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Characterization of Composite Materials

Macroscale assessment and quantification of ballistic damage of a single layer woven fabric composite laminate. Zuhal Onuk, Bridgit Kioko, Oreoluwa Adesina, Carisse Lansiquot, Enock Bonyi, Daniel. J. O’Brien, Bazle Z. (Gama) Haque, John W. Gillespie Jr., Kadir Aslan.

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Micromechanical FE Modeling of Tensile Failure of Unidirectional Composites

Ganesh, R., Sockalingam, S., Haque, B.Z., Gillespie Jr., J.W., “Dynamic effects of defects in unidirectional glass fibers on microstructural damage under tensile loading”, in preparation.
Ganesh, R., Sockalingam, S., Haque, B.Z., Gillespie Jr., J.W., “Three-Dimensional modeling of dynamic effects of single fiber break in unidirectional glass fiber-reinforced composites incorporating effects of residual stresses and interfacial friction”. In preparation.
Ganesh, R., Sockalingam, S., Haque, B.Z., Gillespie Jr., J.W., “Dynamic effects of single fiber break in unidirectional glass fiber-reinforced composites: Effects of matrix plasticity”, Journal of Composite Materials, in preparation, 2016.
Ganesh, R., S. Sockalingam, B. (Gama) Haque, and J. W. Gillespie, Jr., “Dynamic Effects of Single Fiber Break in Unidirectional Glass Fiber-Reinforced Composites,” Journal of Composite Materials, http://dx.doi.org/1177/0021998316669218, September 15, 2016.
Ganesh, R., S. Sockalingam, B. Z. (Gama) Haque, and J. W. Gillespie, Jr., “A Finite Element Study of Dynamic Stress Concentrations Due to a Single Fiber Break in a Unidirectional Composite,” American Society for Composites 31st Technical Conference, Williamsburg, VA, September 19-22, 2016.
Ganesh, R., S. Sockalingam, J. Misumi, A. Abu-Obaid, J. W. Gillespie, Jr., “Three Dimensional Modeling of Unidirectional Composites with Fiber Fracture: Role of Matrix Properties,” American Society for Composites (ASC), San Diego, CA, September 8-10, 2014.
Yeager, R. Ganesh, S. Yarlagadda, S. Advani, and J. W. Gillespie Jr., “A unit cell model to predict impact of geometric and processing parameters on energy absorbed by fiber composites”, MACH Conference, April 8-10, 2015, Annapolis, Maryland, USA.

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Micro-Mechanical Modeling of Progressive Punch-Shear Behavior of Uni-Directional Composites

On the High Strain Rate Behavior of Composites under Punch Shear Loading. Bazle Z. (Gama) Haque, John W. Gillespie Jr. (In preparation).
A New Experimental Method in Determining the Punch Shear Strength of Unidirectional Composites. Bazle Z. (Gama) Haque, Molla A. Ali, Chian-Fong Yen, Daniel J. O’Brien, John W. Gillespie Jr. (In preparation).
Miromechanical Modeling of the Punch Shear Damage Mechanisms of Unidirectional Composites in Determining the Continuum Damage Parameters for Progressive Damage Material Model MAT162 in LS-Dyna. Bazle Z. (Gama) Haque, Raja H. Ganesh, Molla A. Ali, Chian-Fong Yen, Daniel J. O’Brien, John W. Gillespie Jr. (In preparation).

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Polymers

Characterization of Meso/Nanoscale Domains in UHMW PE Filaments

Measurement of Microfibril Adhesion in UHMW PE fibers through Nanomechanical testing P. McDaniel, JM Deitzel, JW Gillespie, Jr, Strawhecker, In Preparation.
Influence of sub-filament structure on failure mechanisms for mode I and II loading conditions in UHMWPE filaments, McDaniel, JM Deitzel, JW Gillespie, Jr., K. Strawhecker, In Preparation.
Deitzel, J., P. McDaniel, and J. W. Gillespie, Jr., Chapter 10: High Performance Polyethylene Fibers. In Structure and Properties of High-Performance Fibers; Bhat, G., Ed; Elsevier, Submitted November 2015.
McDaniel, P. B., J. M. Deitzel, and J. W. Gillespie, Jr., “Structural Hierarchy and Surface Morphology of Highly Drawn Ultra High Molecular Weight Polyethylene Fibers Studied by Atomic Force Microscopy and Wide Angle X-Ray Diffraction,” Journal of Polymer Research, 69, pp. 148 – 158, 2015. http://dx.doi.org/10.1016/j.polymer.2015.05.010
McAllister, Q. P., J. W. Gillespie, Jr., M. R. Vanlandingham, Experimental Measurement of the Energy Dissipative Mechanisms of the Kevlar Micro-fibrillar Network for Multi-Scale Application, Chapter 8, G. P. Tandon et al. (eds.), Experimental Mechanics of Composite, Hybrid, and Multifunctional Materials, Volume 6, Conference Proceedings of the Society for Experimental Mechanics Series, http://dx.doi.org/10.1007/978-3-319-00873-8_8, # The Society for Experimental Mechanics, Inc., 2014.
McAllister, Q. P., J. W. Gillespie, Jr. and M. VanLandingham, “The Energy Dissipative Mechanisms of Particle-Fiber Interactions in a Textile Composite,” Journal of Composite Materials, http://dx.doi.org/10.1177/0021998313511651, 2013.
McAllister, Q. P., J. W. Gillespie, Jr., and M. R. Vanlandingham, “The Sub-Micron Scale Energy Dissipative Deformation Mechanisms of Kevlar Fibrils,” Journal of Material Science, http://dx.doi.org/10.1007/s10853-013-7422-6, 48 (18), pp. 6245-6261, Sept. 2013.
McAllister, Q. P., J. W. Gillespie, Jr. and M. R. VanLandingham, “The Influence of Surface Microstructure on the Scratch Characteristics of Kevlar Fibers,” Journal of Materials Science, http://dx.doi.org/10.0007/s10853-012-6872-6; 48 (3), pp. 1292-1302, Feb. 2013.
McAllister, Q. P., J. W. Gillespie, Jr., and M. R. VanLandingham, “Evaluation of the Three-Dimensional Properties of Kevlar Across Length Scales,” Journal of Materials Research, http://dx.doi.org/10.1557.jmr.2012.80; 27 (14), pp. 1824-1837, July 2012.
McAllister, Q. P., J. W. Gillespie, Jr., and M. R. VanLandingham, “Non-Linear Indentation of Fibers,” Journal of Materials Research, http://dx.doi.org/10.1557/jmr.2011.336, 27 (1), pp. 197-213, January 2012.
McDaniel, P., J. Deitzel, and J. W. Gillespie, Jr., “Understanding the Evolution in Meso/Nanostructure in UHMWPE Fibers,” Abstract # V42.008, APS March Meeting Abstracts, 2016.
McDaniel, P., J. M. Deitzel, and J. W. Gillespie, Jr., “A Single Fiber Peel Test to Measure Fibrillary Interactions in Ultra High Molecular Weight Polyethylene Fibers,” American Society for Composites 31st Technical Conference, Williamsburg, VA, September 19-22, 2016.
McAllister, Q. P., J. W. Gillespie, Jr., and M. R. VanLandingham, “Experimental Measurement of the Energy Dissipative Mechanisms of the Kevlar Micro-Fibrillar Network for Multi-Scale Application,” Society of Experimental Mechanics 2013 Annual Conference & Exposition on Experimental and Applied Mechanics, Lombard, IL, June 3-5, 2013.
(Gama) Haque, B. Z., Q. P. McAllister, S. C. Chowdhury, A. C. Caulfield, J. W. Gillespie, Jr., T. A. Bogetti, and M. R. VanLandingham “Modeling the Nanoindentation Mechanics of Kevlar Fibers,” American Society for Composites 27th Technical Conference, Arlington, Texas, October 1-3, 2012.
McAllister, Q. P., J. W. Gillespie, Jr., and M. R. VanLandingham, “Probing the Surface Properties of High Performance Fibers,” Proceedings of the 35th Annual Meeting of the Adhesion Society, New Orleans, LA, February 26-29, 2012.
McDaniel P.B., Deitzel J.M., Gillespie J. W., Jr. “Observation of Interfibrillar Interactions Through Controlled Loading of Single Filaments”. MACH Conference. Annapolis, MD. 2015
McDaniel P.B., Deitzel J.M., Gillespie J. W., Jr. “Structural Hierarchy and Characteristic Microfibril Distribution In Ultra High Molecular Weight Polyethylene Fibers”. MACH Conference. Annapolis, MD. 2014
McDaniel P.B., Deitzel J.M., Gillespie J. W., Jr. “Nanomechanical Testing of Model Polyethylene Single Crystals”. MACH Conference. Annapolis, MD. 2013

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Modeling and Experiments of High Performance Polymer Fibers Subjected to Multiaxial Loading

Sockalingam, S., “Transverse impact of ballistic fibers and yarns – fiber length-scale modeling and experiments”, PhD Dissertation, University of Delaware, 2016.
Sockalingam, S., Gillespie Jr, J.W., Keefe, M., “Influence of inelastic transverse compressive behavior on the transverse impact of Kevlar KM2 single fiber”, Textile Research Journal, In preparation, 2017.
Chowdhury, S.C., Sockalingam, S., Gillespie Jr, “Molecular dynamics modeling of axial compressive kinking of ballistic fibers”, Fibers, in preparation, 2016.
Sockalingam, S., Casem, D., Gillespie Jr, J.W., Weerasooriya, T., “High strain rate transverse compression behavior of Kevlar KM2 and Dyneema SK76 ballistic single fibers”, Polymer Testing, to be submitted, 2017.
Chowdhury S. C., Duin van A. C. T., and Gillespie Jr. J. W., “Determination of Anisotropic Properties of Kevlar Ballistic Fibers using Molecular Dynamics Simulations”, Polymer, In preparation.
Sockalingam, S., J. W. Gillespie, Jr., and M. Keefe, “Influence of Multiaxial Loading on the Failure of Kevlar KM2 Single Fiber,” Textile Research Journal, Accepted November 2016.
McDaniel, P. B., S. Sockalingam, J. M. Deitzel, J. W. Gillespie, Jr., M. Keefe, T. A. Bogetti, T. Weerasooriya, and D. T. Casem, “The Effect of Fiber Meso/Nanostructure on the Transverse Compression Response of Ballistic Fibers,” Composites Part A, Accepted November 2016. http://dx.doi.org/10.1016/j.compositesa.2016.12.003
Sockalingam, S., J. W. Gillespie, Jr., and M. Keefe, “Modeling the Fiber Length- Scale Response of Kevlar KM2 Yarn During Transverse Impact,” Textile Research Journal, http://dx.doi.org/10.1177/0040517516669074, September 2016.
Sockalingam, S., J. W. Gillespie, Jr., S. Chowdhury, M. Keefe, “Recent Advances in Modeling and Experiments of Ballistic Fibrils, Fibers, Yarns and Flexible Textile Fabrics – A Review,” Textile Research Journal, http://dx.doi.org/10.1177/0040517516646039, May 2016.
Sockalingam, S. R. Bremble, J. W. Gillespie, Jr., and M. Keefe, “Transverse Compression Behavior of Kevlar KM2 Single Fiber,” Composites Part A: Applied Science and Manufacturing, 81, pp. 271 – 281, February 2016. http://dx.doi.org/10.1016/j.compositesa.2015.11.032
Sockalingam, S., J. W. Gillespie, Jr., and M. Keefe, “Dynamic Modeling of Kevlar KM2 Single Fiber Subjected to Transverse Impact,” International Journal of Solids and Structures, http://dx.doi.org/10.1016/j.ijsolstr.2015.04.031; 67-68, pp. 297 – 310, August 2015.
Sockalingam, S., J. W. Gillespie, Jr., and M. Keefe, “On the Transverse Compression Response of Kevlar KM2 using Fiber-level Finite Element Model,” International Journal of Solids and Structures, http://dx.doi.org/10.1016/j.ijsolstr.2014.03.020; 51 (13) pp. 2504-2517, May 2014
Sockalingam, S, J. W. Gillespie, Jr., M. Keefe, D. Casem, and T. Weerasooriya, “Transverse Compression Response of Ultra-High Molecular Weight Polyethylene Single Fibers,” Conference Proceedings of the Society for Experimental Mechanics Series, Dynamic Behavior of Materials, Vol 1, 2017 pp. 7-13, Springer International Publishing. http://dx.doi.org/10.1007/978-3-319-41132-3_2
Sockalingam, S., J. W. Gillespie, Jr., and M. Keefe, “Role of Inelastic Transverse Compressive Behavior on Kevlar KM2 Single Fiber Transverse Impact,” American Society for Composites 31st Technical Conference, Williamsburg, VA, September 19-22, 2016.
Chowdhury, S. C., J. Staniszewski, E. M. Martz, R. H. Ganesh, S. Sockalingam, B. Z. (Gama) Haque, T. A. Bogetti, and J. W. Gillespie, Jr., “A Computational Approach for Linking Molecular Dynamics to Finite Element Simulation of Polymer Chains in Polyethylene Fibers,” American Society for Composites 30th Technical Conference, Michigan State University, September 28-30, 2015.
Sockalingam, S., J. W. Gillespie, Jr., and M. Keefe, “Transverse Compression Behavior of Kevlar KM2 Fiber – Experimental Testing and Finite Element Analysis,” Semi-finalist in the SAMPE URSP (University Research Symposium Program Competition), April 30, 2015.
Chowdhury, S. C., B. Z. (Gama) Haque, A. C. T. van Duin, T. A. Bogetti, and J. W. Gillespie, Jr., “Study of the Mechanical Properties of Kevlar Fibril using Molecular Dynamics Simulations,” SAMPE 2015, Baltimore, MD, May 18-21, 2015.
Chowdhury, S. C., S. Sockalingam, and J. W. Gillespie, Jr., “Molecular Dynamics Modeling of Compression Kinking in Kevlar,” SAMPE 2015, Baltimore, MD, May 18-21, 2015.
Sockalingam, S., R. Bremble, S. C. Chowdhury, J. W. Gillespie, Jr., and M. Keefe, “Modeling Kevlar KM2 Single Fiber Transverse Impact and the Effect of Compressive Kinking on Residual Tensile Strength,” SAMPE 2015, Baltimore, MD, May 18-21, 2015.
Sockalingam, S., J. W. Gillespie, Jr., and M. Keefe, “Inelastic Transversely Isotropic Constitutive Model for High Performance Polymer Fibers,” 13th International LS-DYNA Users Conference, Dearborn, MI, June 8 – 10, 2014.
Sockalingam, S., J. W. Gillespie, Jr., and M. Keefe, “Fiber-Level Tow Modeling of Kevlar KM2 Subjected to High Velocity Impact,” SAMPE 2014, Seattle, WA, June 2-5, 2014.
Sockalingam, S., J. W. Gillespie, Jr., and M. Keefe, “Modeling the Transverse Compression Response of Kevlar KM2,” ASC 28th Technical Conference, University Park, College Park, PA, September 9-11, 2013. 5.
Sockalingam, S., Gillespie Jr, J.W., Keefe, M., Staniszewski, J.M., Bogetti, T., O’Brien, D.J., “Transverse impact of ballistic fibers”, Mach Conference, Annapolis, MD, 2016
Sockalingam, S., Bremble, R., Gillespie Jr, J.W., Keefe, M., “Finite element modeling of Kevlar KM2 subjected to transverse impact”, Mach Conference, Annapolis, MD, 2015
Sockalingam, S., Gillespie Jr, J.W., Keefe, M., “Fiber-level finite element modeling of Kevlar KM2 subjected to transverse compression and high velocity impact”, Mach Conference, Annapolis, MD, 2014

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