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IJMERR 2022 Vol.11(4): 262-268
DOI: 10.18178/ijmerr.11.4.262-268

Finite Element Investigation of Damage on KFRP/CFRP Composite Laminates under Low-Velocity Impact

K. Suwanpakpraek and B. Patamaprohm
Department of Mechanical and Aerospace Engineering, Faculty of Engineering, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand

Abstract—This study deals with damage investigation on KFRP/CFRP composite laminates subjected to low-velocity impact using a drop-weight impact test. The three variations of composite laminates including KFRP, CFRP and KFRP-CFRP composite laminates were tested. The results from KFRP and CFRP composite laminates were used to estimate the fracture energy of each material for KFRP-CFRP composite simulation. The goal is to model the complicated failure surface of KFRP-CFRP composite laminates using damage evolution models and also cohesive elements for interfacial failure between different composites. A good agreement with experimental results was found.
 

Index Terms—Kevlar Fiber Reinforced Polymers (KFRP), Carbon Fiber Reinforced Polymers (CFRP), Finite Element Method (FEM), Low-velocity impact

Cite: K. Suwanpakpraek and B. Patamaprohm, "Finite Element Investigation of Damage on KFRP/CFRP Composite Laminates under Low-Velocity Impact," International Journal of Mechanical Engineering and Robotics Research, Vol. 11, No. 4, pp. 262-268, April 2022. DOI: 10.18178/ijmerr.11.4.262-268

Copyright © 2022 by the authors. This is an open access article distributed under the Creative Commons Attribution License (CC BY-NC-ND 4.0), which permits use, distribution and reproduction in any medium, provided that the article is properly cited, the use is non-commercial and no modifications or adaptations are made.

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