Mechanical characterization of hybrid biocomposites reinforced with nonwoven hemp and unidirectional flax fibers

Fiber‐reinforced polymers are widely used in many applications where high specific strength and high specific stiffness are required. Biocomposites have replaced synthetic‐based fiber‐reinforced polymers as a preferred option due to their environmental friendliness, ease of supply, and affordability...

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Bibliographic Details
Published in:Polymer composites 2023-06, Vol.44 (6), p.3555-3566
Main Authors: Baysal, Ataberk, Yayla, Paşa, Turkmen, Halit Suleyman, Karaca Ugural, Burcu
Format: Article
Language:English
Subjects:
biocomposites
Biomedical materials
Composite materials
Design criteria
Design engineering
Fibers
Flax
flax fiber
Hemp
hemp fiber
Impact strength
Impact tests
mechanical characterization
Mechanical properties
Polymers
Polypropylene
Prepregs
Pressure molding
Stacking sequence (composite materials)
Stiffness
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Summary:Fiber‐reinforced polymers are widely used in many applications where high specific strength and high specific stiffness are required. Biocomposites have replaced synthetic‐based fiber‐reinforced polymers as a preferred option due to their environmental friendliness, ease of supply, and affordability. Comparable strength synthetic‐fiber‐reinforced polymers and biocomposites both have lower specific weights. This study aims to characterize hybrid biocomposites produced from unidirectional prepregs made of flax/polypropylene fibers and nonwoven mats made of hemp/polypropylene fibers. Research has also been conducted on how the number of layers and the stacking sequence affect the mechanical performance of hybrid biocomposites. Three different designs of biocomposite plates have been produced using compression molding. They were then subjected to tensile, compressive, shear, bending, Charpy impact, and drop‐weight impact tests. According to the test results, it is found that each design has its own characteristics, and the characterized static and dynamic behaviors are very different from each other. Therefore, each biocomposite mentioned here may be a good candidate for engineering design based on the given engineering design criteria.
ISSN:0272-8397
1548-0569
DOI:10.1002/pc.27344