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Effects of Silane-Treated High-Content Cellulose Okra Fibre and Tamarind Kernel Powder on Mechanical, Thermal Stability and Water Absorption Behaviour of Epoxy Composites

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Abstract

In this study, silane-treated high-content cellulose okra fiber (CCO) and macromolecule tamarind kernel powder (MTP) toughened epoxy composites are analyzed for their mechanical, thermal stability, and water-absorption behavior. The primary purpose of this research was to evaluate the impact of surface-modified high-content cellulose okra fiber and the contribution of tamarind kernel macromolecule powder on several parameters of epoxy resin composite. Surfaces of the fiber and particle were treated with 3-aminopropyltrimethoxysilane, an amino silane (APTMS). The composites were made via hand lay-up and post cured at 120 °C. It is observed that composite designation OT4 shows the highest values for tensile strength and flexural strength 162.4 MPa and 194.6 MPa respectively. Increased adherence and distribution of kernel particles in the resin, as seen in SEM images, allowed for a maximum hardness of 92 shore-D to be measured in the hardness test. In addition, the silane-treated reinforcements in composites maintained their hydrophobicity lower contact angle up to 80° and as well as 0.13 water absorption %. Thus it is clear that silane treatment process on fiber and filler particle out performed well in improving the property of composites. Such composites with improved properties would be ideal for use in the construction of buildings, military armor, sporting items, and household appliances.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Knowledge Institute of Technology, Salem, India

    V. Sivakumar

  2. Department of Mechanical Engineering, Velammal Institute of Technology, Chennai, India

    S. Kaliappan

  3. Department of Mechanical Engineering, Saveetha School of Engineering, SIMATS, Chennai, India

    L. Natrayan

  4. Department of Mechanical Engineering, Graphic Era Deemed to Be University, Uttarakhand, India

    Pravin P. Patil

Authors
  1. V. Sivakumar
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  2. S. Kaliappan
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  3. L. Natrayan
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  4. Pravin P. Patil
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Contributions

Sivakumar V, Kaliappan S – Design of work, research carried out.

Natrayan L, Pravin P Patil – Testing and drafting support.

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Correspondence to V. Sivakumar.

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Sivakumar, V., Kaliappan, S., Natrayan, L. et al. Effects of Silane-Treated High-Content Cellulose Okra Fibre and Tamarind Kernel Powder on Mechanical, Thermal Stability and Water Absorption Behaviour of Epoxy Composites. Silicon 15, 4439–4447 (2023). https://doi.org/10.1007/s12633-023-02370-1

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  • DOI: https://doi.org/10.1007/s12633-023-02370-1

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