Author
Listed:
- DANIEL KIPKIRUI TOO
(Department of Ocean Advanced Materials Convergence Engineering, Korea Maritime and Ocean University, 727 Taejong-ro, Yeongdo-gu, Busan 49112, Korea†Department of Marine Engineering and Maritime Operations, Jomo Kenyatta University of Agriculture and Technology, P.O. Box 00200-62000, Nairobi, Kenya)
- ANAM NAZ
(Department of Ocean Advanced Materials Convergence Engineering, Korea Maritime and Ocean University, 727 Taejong-ro, Yeongdo-gu, Busan 49112, Korea)
- KYOMOON LEE
(Department of Ocean Advanced Materials Convergence Engineering, Korea Maritime and Ocean University, 727 Taejong-ro, Yeongdo-gu, Busan 49112, Korea)
- AMUTHEESAN MANIKKAVEL
(Department of Ocean Advanced Materials Convergence Engineering, Korea Maritime and Ocean University, 727 Taejong-ro, Yeongdo-gu, Busan 49112, Korea)
- YUN-HAE KIM
(Department of Ocean Advanced Materials Convergence Engineering, Korea Maritime and Ocean University, 727 Taejong-ro, Yeongdo-gu, Busan 49112, Korea)
Abstract
Carbon fiber reinforced polymers (CFRPs) are extensively employed in high-performance applications because of their exceptional strength-to-weight ratio. However, their maximum potential is restricted by their susceptibility to delamination, a critical issue. This study examines the efficacy of melt-infused Polyamide-6 (PA-6) film interleaves in improving the interlaminar fracture toughness of CFRPs. This study observed substantial enhancements in the durability of both Modes I and II fractures by methodically adjusting the infusion pressure and film thickness. For the S_1_60 configuration, GICinit increased by 568%, reaching 2573.2J/m2, while GICmax improved by 596%. For the S_1_60 configuration, GIICinit increased by 352% to 1278.1J/m2, while GIICmax improved by 363%. Detailed fractographic studies were conducted to analyze the underlying mechanisms, which include plastic deformation, fiber bridging, and fiber pull-out. These results offer valuable insights into the optimization of melt-infusion interleaving to customize the mechanical performance of CFRPs. By controlling the infusion pressure and film thickness, it is possible to develop composite materials that are more resistant to damage and more durable, thereby broadening their potential for use in critical engineering applications in aeronautical, automotive and marine engineering.
Suggested Citation
Daniel Kipkirui Too & Anam Naz & Kyomoon Lee & Amutheesan Manikkavel & Yun-Hae Kim, 2025.
"Effect Of Film Thickness And Infusion Pressure On Interlaminar Toughening Of Cfrp Laminates Toughened With Melt-Infused Pa-6 Film Interleaves,"
Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 32(07), pages 1-11, July.
Handle:
RePEc:wsi:srlxxx:v:32:y:2025:i:07:n:s0218625x25400074
DOI: 10.1142/S0218625X25400074
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