Stress and Failure Analysis of Hybrid FRP Laminated Tubular Joints

Year : 2025 | Volume : 13 | Special Issue 03 | Page : 461-471
    By

    K. Susheela,

  • P. Ramesh Babu,

  1. Research Scholar, Department of Mechanical Engineering, Osmania University, Hyderabad, Telangana, India
  2. Professor, Department of Mechanical Engineering, Osmania University, Hyderabad, Telangana, India

Abstract

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Composite tubes have been used in transporting corrosive fluid in petro chemical and paper industries.  [Fiber reinforced Polymers] FRP Composite Pipes are even becoming popular in the offshore oil and gas industry. Bonded joints with tubular adherends are finding applications in various piping industry. In the recent times Hybrid Tubular Bonded Lap Joints (HTLJ) have been extensively used to optimize the cost and to enhance the performance of the joint. Overlap length and adhesive thickness and stacking sequence are the parameters which outstandingly effect distribution of stress within the adhesive layer of the joint region. The existence of adhesively bonded tubular lap joints can be materially progress and reduce the stress concentration at the ends of overlap there by transmit the uniform stress for the entire bond line. The aim of this study is to estimate the interlaminar stresses build in adhesive layer in joint region by varying stacking sequence subjected to tensile loading to find the performance of the joint using finite element method. The onset of joint failures in the HTLJ has been estimated using the stress-criterion Tsai-Wu integration. Additionally presuming that the adhesive thickness is minimal in relation to the adherends.  Tubular adherends with three material properties of Carbon/epoxy and E-glass /epoxy Kevlar 49/epoxy were considered. Numerical results good agreement is compared with available literature In this paper finite element analysis of hybrid FRP tubular lap joints have been performed.

Keywords: HTLJ, Tsai-Wu criteria, FRP composites, FEA, Inter-laminar stresses.

[This article belongs to Special Issue under section in Journal of Polymer and Composites (jopc)]

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How to cite this article:
K. Susheela, P. Ramesh Babu. Stress and Failure Analysis of Hybrid FRP Laminated Tubular Joints. Journal of Polymer and Composites. 2025; 13(03):461-471.
How to cite this URL:
K. Susheela, P. Ramesh Babu. Stress and Failure Analysis of Hybrid FRP Laminated Tubular Joints. Journal of Polymer and Composites. 2025; 13(03):461-471. Available from: https://journals.stmjournals.com/jopc/article=2025/view=0


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Special Issue Subscription Original Research
Volume 13
Special Issue 03
Received 13/09/2024
Accepted 20/03/2025
Published 28/04/2025
Publication Time 227 Days
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