Experimental and Numerical Studies on Radial Tensile Strength of Composite Rotor

Open Access

Year : 2025 | Volume : 13 | Special Issue 01 | Page : 985 996
    By

    Gopi Erulan,

  • Gowthaman Swaminathan,

  1. Research Scholar, Department of Mechanical Engineering, Indian Institute of Information Technology Design and Manufacturing Kancheepuram, Chennai, Tamil Nadu, India
  2. Faculty, Department of Mechanical Engineering, Indian Institute of Information Technology Design and Manufacturing Kancheepuram, Chennai, Tamil Nadu, India

Abstract

This paper describes the experimental and numerical studies on the radial tensile strength (RTS) of composite rotor. Carbon/epoxy composite rotors were fabricated using a filament winding process and their radial tensile strength was determined by diametric tensile testing of composite C-rings. The radial tensile strength of the composite rotor was measured as ~ 22 MPa and the failure was found to occur circumferentially symmetric about the horizontal plane of the C-ring. It also occurred at the same radial positions on both the front and back axial faces of the sample. Unidirectional carbon/epoxy composite panels were also fabricated using a flat mandrel in the filament winding process and their tensile properties were determined. Based on the experimental results and by applying the Rule of Mixtures, the inherent moduli of the composite rotor were determined. Then, numerical analysis was performed to evaluate and verify the RTS of the composite rotor. The studies showed that the RTS from both the experiments and numerical analysis matched well. Also, in numerical analysis, the interlaminar shear stress was negligible and this implied that the C-ring failed purely by radial stress. It was also observed that the maximum radial tensile stress occurred at the mid-region of the radial thickness, and this also matched well with the experiments.

Keywords: Polymer composite rotor, mechanical properties, carbon fiber, epoxy, radial tensile strength, c-ring test, finite element analysis.

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

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How to cite this article:
Gopi Erulan, Gowthaman Swaminathan. Experimental and Numerical Studies on Radial Tensile Strength of Composite Rotor. Journal of Polymer and Composites. 2024; 13(01):985-996.
How to cite this URL:
Gopi Erulan, Gowthaman Swaminathan. Experimental and Numerical Studies on Radial Tensile Strength of Composite Rotor. Journal of Polymer and Composites. 2024; 13(01):985-996. Available from: https://journals.stmjournals.com/jopc/article=2024/view=188905


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Special Issue Open Access Review Article
Volume 13
Special Issue 01
Received 13/06/2024
Accepted 25/07/2024
Published 12/12/2024
288

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