Prabhakar Research Group
Manufacturing and Mechanics Laboratory

Publications

Journal Publications

2022

“Densification Mechanics of Syntactic Foam Composites”, P. Prabhakar, H. Feng, S. Pushparaj Subramaniyan and M. Doddamani, Composites Part B: Engineering, 2022. [Link]

2021

“Multilayered Recoverable Sandwich Composite Structures with Architected Core”, V. Damodaran, A. Hahm and P. Prabhakar, Materials & Design, 2021.  [Link]

“Fiber Packing and Morphology Driven Moisture Diffusion Mechanics in Reinforced Composites”, S. Pushparaj Subramaniyan, M.A. Imam and P. Prabhakar, Composites Part B: Engineering, 2021. [Link]

“Difference-Based Deep Learning Framework for Stress Predictions in Heterogeneous Media”, H. Feng and P. Prabhakar, Composite Structures, 2021. [Link][PDF]

“Elucidating the Mechanisms of Damage in Foam Core Sandwich Composites under Impact Loading and Low Temperatures”, A. Castellanos and P. Prabhakar, Journal of Sandwich Structures & Materials, 2021. [Link][PDF]

“Flexural response of 3D printed sandwich composite”, H.S. Bharath, Dileep Bonthu, Suhasini Gururaja, Pavana Prabhakar, Mrityunjay Doddamani, Composite Structures, 2021. [Link] [PDF]

“Evaluation of Single-Lap and Block Shear Test Methods in Adhesively Bonded Composite Joints”, A. Redmann, V. Damodaran, F. Tischer, P. Prabhakar, T.A. Osswald, Journal of Composites Science, 5(1):27, 2021. [Link][PDF]

2020

“3D printing of syntactic foam cored sandwich composite”, D. Bonthu, H.S.Bharath, S. Gururaja, P. Prabhakar, M. Doddamani, Composites Part C: Open Access, Volume 3, November 2020. [Link] [PDF]

“Three-Dimensional Printed Lightweight Composite Foams”, H.S. Bharath, D. Bonthu, P. Prabhakar and M. Doddamani*, ACS Omega, 5(35), 22536–22550, 2020. [Link] [PDF]

“Soil microbiomes mediate degradation of vinyl ester-based polymer composites”, A.M. Breister, M.A. Imam, Z. Zhou, Md.A. Ahsan, J.C. Noveron, K. Anantharaman and P. Prabhakar, Communications Materials, 2020. [Link] [PDF]

“Flexural fatigue life of woven carbon/vinyl ester composites under sea water saturation”, P. Prabhakar, R. Garcia, M.A. Imam and V. Damodaran, International Journal of Fatigue, April 2020. [Link] [PDF]

2019

“Dynamic impact behavior of syntactic foam core sandwich composites”, P. Breunig, V. Damodaran, K. Shahapurkar, S. Waddar, M. Doddamani, P. Jeyaraj and P. Prabhakar, Journal of Composite Materials, November 2019. [Link] [PDF]

“Influence of Arctic Seawater Exposure on the Flexural Behavior of Woven Carbon/Vinyl Ester Composites”, R.G. Garcia and P. Prabhakar, Journal of Sandwich Structures and Materials, Vol 21, Issue 3, 2019, Pages 1190–1208. [Link] [PDF]

2018

“Improving the Mode-II Interlaminar Fracture Toughness of Polymeric Matrix Composites through Additive Manufacturing”, V. Damodaran, A.G. Castellanos, M. Milostan and P. Prabhakar, Materials & Design, 2018. (In Press) [Link] [PDF]

“Effect of arctic environment on flexural behavior of fly ash cenosphere reinforced epoxy syntactic foams”, C.D. Garcia, K. Shahapurkar, M. Doddamani, G.C. Mohan Kumar, P. Prabhakar, Composites Part B: Engineering, Volume 151, 2018.

“Low-Velocity Impact Response of Woven Carbon Composites in Arctic Conditions”, A.G. Castellanos, K. Cinar, I. Guven and P. Prabhakar, Journal of Dynamic Behavior of Materials, 2018. (In Press) [Link] [PDF]

“Flexural behavior of Surface Modied Cenosphere/Epoxy Syntactic Foams in Arctic Environment”, K. Shahapurkar, C.D. Garcia, K. Shahapurkar, M. Doddamani, G.C. Mohan Kumar and P. Prabhakar, Composites Part B: Engineering, 2018. (In Press) [Link] [PDF]

“Durability and Failure Mechanics of Woven Carbon Composites under Repeated Impact Loading in Arctic Conditions”, A.G. Castellanos and P. Prabhakar, Multiscale and Multidisciplinary Modeling, Experiments and Design, 2018. (In Press) [Link] [PDF]

“Compressive behavior of cenosphere/epoxy syntactic foams in arctic conditions”, K. Shahapurkar, C.D. Garcia, K. Shahapurkar, M. Doddamani, G.C. Mohan Kumar and P. Prabhakar, Composites Part B: Engineering, Volume 135, 15 February 2018, Pages 253-262. [Link] [PDF]

2017

“Fly-ash Cenosphere/Clay Blended Composites for Impact Resistant Tiles”, A.G. Castellanos, H. Mawson, V. Burke and P. Prabhakar, Construction and Building Materials, Volume 156, 15 December 2017, Pages 307–313.[Link] [PDF]

“Interlaminar Strengthening of Multidirectional Laminates using Polymer Additive Manufacturing”, M.S. Islam and P. Prabhakar, Materials & Design, Volume 133, 5 November 2017, Pages 332-339.[Link] [PDF]

“Bond interface design for single lap joints using polymeric additive manufacturing”, R.G. Garcia and P. Prabhakar, Composite Structures, Volume 176, 15 September 2017, Pages 547–555.[Link] [PDF]

“Interlaminar Reinforcement for Enhancing Low-Velocity Impact Response of Woven Composites”, A.G. Castellanos, M.S. Islam, E. Tarango, Y. Lin and P. Prabhakar, Textile Research Journal, 12 May 2017. [Link] [PDF]

“Modeling Framework for Free Edge Effects in Laminates under Thermo-Mechanical Loading”, M.S. Islam and P. Prabhakar, Composites Part B: Engineering, Volume 116, 1 May 2017, Pages 89–98. [Link] [PDF]

2016

“Nanowire Reinforcement of Woven Composites for Enhancing Interlaminar Fracture Toughness”, A.G. Castellanos, M.S. Islam, M.A.I. Shuvo, Y. Lin and P. Prabhakar, Journal of Sandwich Structures and Materials, July 2016. [Link] [PDF]

“Computational Prediction of Thermal Shock Effects on Carbon-Carbon Composites”, A.L. Leanos and P. Prabhakar, Composite Structures, Volume 143, Pages 103-116, 20 May 2016. [Link] [PDF]

2015

“Investigation of Woven Composites as Potential Cryogenic Tank Materials”, M.S. Islam, E. Melendez-Soto, A.G. Castellanos and P. Prabhakar, Cryogenics, Volume 72, Part 1, Pages 82-89, December 2015. [Link] [PDF]

“Experimental Investigation of Thermal Shock Effects on Carbon-Carbon Composites”, A.L. Leanos and P. Prabhakar, Composite Structures, Volume 132, Pages 372-383, 15 November 2015. [Link] [PDF]

“Computational Modeling of Residual Stress Formation during the Electron Beam Melting Process for Inconel 718”, P. Prabhakar, W.J. Sames, R. Dehoff and S.S. Babu, Additive Manufacturing, Volume 7, July 2015, Pages 83-91, 2015. [Link] [PDF]

2013

“A novel Continuum-decohesive Finite Element Method for Mesh Objective Predictions of Fiber-matrix Splitting Failure”, P. Prabhakar and A.M. Waas, Composites Sciene and Technology, 2013. [Link]

“Micromechanical Modeling to Determine the Compressive Strength and Failure Mode Interaction of Multidirectional Laminates”, P. Prabhakar and A.M. Waas, Composites Part A: Applied Science and Manufacturing , 2013. [Link]

2012

“The Interaction between Kinking and Delamination in the Compression Failure of Fiber Reinforced Composites”, P. Prabhakar and A.M. Waas, Composite Structures, 2012. [Link]

“Upscaling from Micromechanics Model to Capture Laminate Compressive Strength due to Kink Banding Instability”, P. Prabhakar and A.M. Waas, Computational Materials Science, 2012. [Link]

Selected Conference Presentations/Publications

  1. “Process modeling of bonding characteristics of additively manufactured interlaminar reinforcements in layered composites”, V. Damodaran and P. Prabhakar, American Society for Composites 32nd Technical Conference, Purdue, IN, October 23 – 25, 2017.
  2. “Repeated Impact Behavior of Woven Composites in Arctic Conditions”, A.G. Castellanos and P. Prabhakar, ICCM-21, 21st International Conference on Composites Materials, Xi’an, China, August 20-25, 2017. (ONR Session)
  3. “Multiphysics Computational Framework for Selective Laser Sintering Process of Polymers”, V. Damodaran and P. Prabhakar, 2017 Annual International Solid Freeform Fabrication Symposium (SFF Symp2017), Austin TX, August 13-15, 2017.
  4. “Repeated Impact Response of Woven Carbon Composites at Room and Arctic Temperatures”, A.G. Castellanos and P. Prabhakar, SCITECH 2017, Grapevine, TX, January 9- 13, 2017. (ID: 2548506) (Finalist – Student Paper Competition).
  5. “Arctic Exposure Studies of Vinyl Foams for Sandwich Composites”, C.D. Garcia, R.O. Avila and P. Prabhakar, International Mechanical Engineering Congress & Exposition (IMECE), Phoenix Convention Center, Phoenix, AZ, November 11 – 17, 2016. (IMECE2016-66294)
  6. “Thermal Gradient on Hybrid Composite Propellant Tank Materials at Cryogenic Temperatures”, R.O. Avila, M.S. Islam and P. Prabhakar, International Mechanical Engineering Congress & Exposition (IMECE), Phoenix Convention Center, Phoenix, AZ, November 11 – 17, 2016. (IMECE2016-65727)
  7. “Free Edge Eect in Multi-directional Laminate Under Multi-axial Loading”, M.S. Islam, A.G. Castellanos and P. Prabhakar, American Society for Composites 31st Technical Conference and ASTM Committee D30 Meeting, Williamsburg, VA, September 19 – 22, 2016.
  8. “Additive Manufacturing for Bonded Composite Joints”, P. Prabhakar, R. Garcia and E. Acuna, American Society for Composites 31st Technical Conference and ASTM Committee D30 Meeting, Williamsburg, VA, September 19 – 22, 2016.
  9. “Flexural Investigation of Woven Composites with Sea Water Exposure”, R. Garcia, A.G. Castellanos and P. Prabhakar, American Society for Composites 31st Technical Conference and ASTM Committee D30 Meeting, Williamsburg, VA, September 19 – 22, 2016.
  10. “Computational Modeling of Curing Induced Damage due to Compaction on Woven Fabric Composite”, M.S. Islam and P. Prabhakar, ASC 29th Technical Conference, 16th US-Japan Conference on Composite Materials, UC San Diego, La Jolla, CA, September 8-10, 2014. (won the ASC Cytec Best Student Paper Award)

Invited Talks

  1. “Invited short course on Hybrid Composites: Manufacturing, Mechanics and Ma-
    terials sponsored by Global Initiative of Academic Networks (GIAN) – Government of India (GOI)”, National Institute of Technology, Karnataka, India, December 18-22, 2016.(http://www.gian.iitkgp.ac.in//files/brochures/BR1479206163151034L04_NITK_Surathkal.pdf)
  2. “Interlaminar Strengthening of Multidirectional Laminates using Additive Manufacturing”, Materials Science & Technology (MS&T 2016), Salt Lake City, UT, October 23-27, 2016.
  3. “Enhancing Interlaminar Damage Resistance in Woven Composites”, INDO-US Workshop on Recent Advances in Blast Mitigation Methodologies for Civil and Marine Structures (RABM-
    2015), Bangalore, India, August 16-19, 2015.
  4. “Micromechanical Verication of Fatigue Damage Initiation Criterion for Polymer
    Matrix Composites”, ONR Summer Faculty Presentation – Naval Surface Warfare Center, Bethesda, July 23, 2015.
  5. “Damage and Failure Analysis of Laminated Composites using Advanced Computational Modeling Techniques”, Institut fur Textiltechnik, RWTH Aachen University, June 20th, 2013