Mechanical and dynamic mechanical properties of hybrid kevlar/natural fiber composites

The current experiment aimed to identify the characteristics of composite materials enhanced with aloe vera, bamboo, palm, and kevlar fibres. Three different types of combinational fabrication—Type I (a blend of aloe vera and bamboo), Type II (a combination of bamboo and palm), and Type III—were car...

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Bibliographic Details
Published in:Materials research express 2023-10, Vol.10 (10), p.105305
Main Authors: Murali, B, Karthik, K, Marotrao, Sarange Shreepad, Laxmaiah, G, Yadav, Ajay Singh, Prasanth, I S N V R, Abbas, Mohamed
Format: Article
Language:English
Subjects:
Aloe
Aramid fiber reinforced plastics
Bamboo
Composite materials
dynamic mechanical analysis
Dynamic mechanical properties
Failure mechanisms
Fiber composites
Hybrid composites
Kevlar (trademark)
kevlar fibre
mechanical p roperties
Mechanical properties
Room temperature
Shear tests
Stacking
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Summary:The current experiment aimed to identify the characteristics of composite materials enhanced with aloe vera, bamboo, palm, and kevlar fibres. Three different types of combinational fabrication—Type I (a blend of aloe vera and bamboo), Type II (a combination of bamboo and palm), and Type III—were carried out from all the other them (blend of palm and aloe vera). Analysis was done on the mechanical and dynamic-mechanical evaluation of biocomposites made spontaneously. Natural fibres used to produce hybrid composites were alkaline and treated in a 2.5 ml NaOH solution for 6 h at room temperature to get acceptable characteristics, then dried to remove the wax and oils on the natural fibre’s exterior surface. The effect of different stacking sequences on the mechanical and dynamic properties of manufactured composites has been investigated experimentally through ASTM standards. Impact, inter-delamination and double-shear tests are used to evaluate the mechanical properties; the failure mechanisms of the fabricated hybrid composites with various stacking sequences and testing conditions were investigated through the fractographs of SEM analysis. Type I S1 samples were found to display significant impact energy (10 Joules) as compared to other samples, and the break load of composite specimens was higher at 4.5 KN in S2 samples of type-III as compared to type-I and II, revealed Type-I samples with significant peak area of 0.492 delivered at 102.01 °C as compared to two types, Type-3 (Palmyra Palm + Aloe Vera) composite gave the best mechanical, dynamic properties.
ISSN:2053-1591
2053-1591
DOI:10.1088/2053-1591/ad02e1