Crack suppression by natural fiber integration for improved interlaminar fracture toughness in fiber hybrid composites

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Published Mar 25, 2022
DOI https://doi.org/10.3221/IGF-ESIS.60.12

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Shivakumar Gouda
Research Center, Department of Mechanical Engineering, SDM College of Engineering & Technology, Dharwad, Visvesvaraya Technological University, Karnataka, India
Anant Joshi
Department of Mechanical Engineering, KLS VDIT, Haliyal, Visvesvaraya Technological University, Karnataka, India.
Sridhar I
Department of Mechanical Engineering, SDM College of Engineering & Technology, Dharwad, Visvesvaraya Technological University, Karnataka, India.
Umarfarooq M A
Department of Mechanical Engineering, SDM College of Engineering & Technology, Dharwad, Visvesvaraya Technological University, Karnataka, India.
Vinayak Uppin
Department of Mechanical Engineering, SDM College of Engineering & Technology, Dharwad, Visvesvaraya Technological University, Karnataka, India.
Jyoti Vastrad
Department of Textile and Apparel Designing, Community College, University of Agricultural Science, Dharwad, Karnataka, India
Nabaneeta Gogoi
AICRP on WIA, Assam Agricultural University, Jorhat, India
Abhilash Edacherian
Department of Mechanical Engineering, College of Engineering, King Khalid University, Saudi Arabia

Abstract

In this paper, the effect of integration of natural fibers in UD carbon fiber is studied. The integration of natural fibers in carbon fiber is made via intra fiber hybridization. Natural fiber hybrid composite samples were prepared for Mode I and Mode II fracture tests. XRD analysis was done for the chosen natural fibres to know the crystallinity index and then compared with Carbon and Glass fibres. The fracture test experimental results, revealed that the effect of Jute fiber integration in UD Carbon epoxy composite was found significant in getting relatively good Mode I and II fracture toughness at the crack initiation without losing its stiffness. In addition to this Kenaf Carbon epoxy composite indicated better crack suppression with 30% higher propagation toughness values as compared other hybrid combinations and pristine composites. It is observed that integration of jute fibers in UD carbon epoxy composites was significant in achieving good mode I and mode II fracture toughness at the crack initiation without losing its stiffness and also kenaf carbon epoxy composites indicated better crack suppression with 30% higher propagation toughness as compared to other hybrid combinations used.

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    Issue
    Vol. 16 No. 60 (2022): April 2022
    Section
    Advanced Manufacturing and Processing

    How to Cite

    Gouda, S. (2022) “Crack suppression by natural fiber integration for improved interlaminar fracture toughness in fiber hybrid composites ”, Frattura ed Integrità Strutturale, 16(60), pp. 158–173. doi: 10.3221/IGF-ESIS.60.12.
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