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General Information
    • ISSN: 1793-8236 (Online)
    • Abbreviated Title Int. J. eng. technol.(Online)
    • Frequency:  Bimonthly
    • DOI: 10.7763/IJET
    • Executive Editor: Ms.Yoyo Y. Zhou
    • Abstracting/ Indexing: Chemical Abstracts Services (CAS) EBSCO, Google Scholar, Ulrich Periodicals Directory, Crossref, ProQuest, Index CopernicusEI (INSPEC, IET).
    • E-mail: ijet@vip.163.com
Editor-in-chief
Prof. T. Hikmet Karakoc
Anadolu University, Faculty of Aeronautics and Astronautics, Turkey

IJET 2019 Vol.11(2): 83-90 ISSN: 1793-8236
DOI: 10.7763/IJET.2019.V11.1127

Simulating Progressive Failure of CFRP Materials with Fiber Waviness and Resin Zones

Zhihua Ning, Chunxiu Xu, and Guanliang Huo
Abstract—The progressive failure of carbon fiber reinforced polymer (CFRP) laminates with out-of-plane fiber waviness and resin zones is simulated in the present paper. A finite element model, which includes multiple damage modes, is developed for the static compression failure analysis of the laminates. Three-dimensional Hashin failure criteria are applied for damage onset and abrupt degradation was adopted for material degeneration. Both the case of a single resin zone and two resin zones are discussed. Different damage modes are investigated up to final failure. The results show that, fiber fracture is the dominant damage mechanism in both the case of a single resin-zone and two resin-zones, but inter-ply delamination also plays an essential role on the failure of the laminate in the case of two resin-zones. The predicted patterns of damage indicate that kink bands occur at the junction region of the two resin-zones, with severe fiber fracture and delamination damage. The effects of defect configuration on compressive strength are also quantitatively assessed.

Index Terms—Compressive strength, fiber waviness, progressive damage, resin-zone.

Z. Ning, C. Xu, and G. Huo are with the School of Mechanics and Construction Engineering, MOE Key Lab of Disaster Forecast and Control in Engineering, Jinan University, Guangzhou, 510632, China (e-mail: ning_zhihua@163.com, 864417966@qq.com,huogl0515@163.com).

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Cite: Zhihua Ning, Chunxiu Xu, and Guanliang Huo, "Simulating Progressive Failure of CFRP Materials with Fiber Waviness and Resin Zones," International Journal of Engineering and Technology vol. 11, no. 2, pp. 83-90, 2019.

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