Effects of fiber loadings and lengths on mechanical properties of Sansevieria Cylindrica fiber reinforced natural rubber biocomposites

Sivasubramanian Palanisamy, Mayandi Kalimuthu, Shanmugam Dharmalingam, Azeez Alavudeen, Rajini Nagarajan, Sikiru Oluwarotimi Ismail, Suchart Siengchin, Faruq Mohammad, Hamad A. Al-Lohedan

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Abstract

In this present investigation, Sansevieria cylindrica fiber was used as a reinforcement in a natural rubber matrix. Various biocomposite samples with different fiber contents (lengths and loadings) were fabricated, using compression molding process and vulcanizing technique by maintaining the temperature around 150 °C. From the results obtained, mechanical properties: tensile strength, modulus elongation at break and tear strength of 10.44 MPa, 2.36 MPa, 627.59% and 34.99 N respectively, were obtained from the optimum composite sample with length and loading of 6 mm and 20 wt% composition, respectively. The maximum hardness was observed at 76.85 Shore A from the composite sample of 6 mm and 40 wt%. The optimum properties can be attributed to the presence of strong interfacial adhesion between the Sansevieria cylindrica fiber and the natural rubber matrix. The mechanisms of failure of the biocomposites at their interfaces were examined and analyzed, using scanning electron microscopy (SEM). The micrographs obtained from SEM further confirmed that the Sansevieria cylindrica fibers were surrounded with more amount of natural rubber which can exhibit strong interfacial bonding between fiber and matrix. The optimal composites of this work can be used in general, abrasion resistant conveyor belt.

Original languageEnglish
Article number085503
Number of pages13
JournalMaterials Research Express (MRX)
Volume10
Issue number8
Early online date25 Aug 2023
DOIs
Publication statusPublished - 25 Aug 2023

Keywords

  • composites
  • fiber loading and length
  • mechanical properties
  • natural rubber matrix
  • Sansevieria Cylindrica fiber
  • sustainable

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