Optimizing flexural properties in PP/Sisal/PMA bio-composites by response surface methodology

Applying the response surface methodology, this work aims to examine the flexural characteristics of bio composites composed of polypropylene (PP)/sisal fiber (Sisal)/polypropylene-grafted maleic anhydride (PMA). To predict the modulus behavior and flexural strength of the natural fiber bio-composit...

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Bibliographic Details
Published in:Hyperfine interactions 2025-01, Vol.245 (1)
Main Authors: Vadivel, M, Musrif, Pramod G, Satishkumar, P, Mohamed, Nasrulla S, Rajasekaran, Saminathan, Vijayan Vinesh
Format: Article
Language:English
Subjects:
Compatibilizers
Composite materials
Design factors
Flexural strength
Functions (mathematics)
Maleic anhydride
Mathematical models
Modulus of rupture in bending
Optimization
Polypropylene
Response surface methodology
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Summary:Applying the response surface methodology, this work aims to examine the flexural characteristics of bio composites composed of polypropylene (PP)/sisal fiber (Sisal)/polypropylene-grafted maleic anhydride (PMA). To predict the modulus behavior and flexural strength of the natural fiber bio-composite, mathematical models have been developed as a function of Sisal load, PMA, and fiber length compatibilizer content. These models are based on a three-factor, three-level Box-Behnken design (BBD), a subset of the response surface methodology (RSM). Sisal fiber (15–35 wt%), fiber length (4–12 mm), and PMA (2–6% wt%) were the three levels that were selected for the factors that were taken into consideration. The utilize of contour plots and response surface methodology allowed for the determination of optimal compositions with respect to improved flexural properties. According to the results produced from the design expert software, the flexural modulus (FM) is 1625.09 MPa and the ideal flexural strength (FS) is 46.3954 MPa. A high degree of agreement between the experimental data and the model’s predictions was indicated by the R2 values and normal probability maps. The specimens were then examined utilizing scanning electron microscopy (SEM) to determine their morphology.
ISSN:0304-3843
1572-9540
DOI:10.1007/s10751-024-02183-7