Leverage of weave pattern and composite thickness on dynamic mechanical analysis, water absorption and flammability response of bamboo fabric/epoxy composites

Kanaginahal, Gangadhar M.; Hebbar, S. Ashwin; Shahapurkar, Kiran; Alamir, Mohammed A.; Tirth, Vineet; Alarifi, Ibrahim M.; Murthy, H. C. Ananda

doi:10.1016/j.heliyon.2023.e12950

Cited by 23 publications

(16 citation statements)

References 58 publications

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“…Materials. The matrix phase in the current study was LY556 epoxy resin, having a density of 1.15 g/cm 3 , and the hardener HY-951, both of which were procured from Yuje Enterprise, Bengaluru. The composite's discontinuous phase in ASF was obtained from the store of Go-green products in Tamil Nadu, India.…”

Section: Methodsmentioning

confidence: 99%

Plain-Woven Areca Sheath Fiber-Reinforced Epoxy Composites: The Influence of the Fiber Fraction on Physical and Mechanical Features and Responses of the Tribo System and Machine Learning Modeling

Subramanyam,

Kotikula,

Bennehalli

et al. 2024

ACS Omega

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Recent studies focus on enhancing the mechanical features of natural fiber composites to replace synthetic fibers that are highly useful in the building, automotive, and packing industries. The novelty of the work is that the woven areca sheath fiber (ASF) with different fiber fraction epoxy composites has been fabricated and tested for its tribological responses on three-body abrasion wear testing machines along with its mechanical features. The impact of the fiber fraction on various features is examined. The study also revolves around the development and validation of a machine learning predictive model using the random forest (RF) algorithm, aimed at forecasting two critical performance parameters: the specific wear rate (SWR) and the coefficient of friction (COF). The void fraction is observed to vary between 0.261 and 3.8% as the fiber fraction is incremented. The hardness of the mat rises progressively from 40.23 to 84.26 HRB. A fair ascent in the tensile strength and its modulus is also observed. Even though a short descent in flexural strength and its modulus is seen for 0 to 12 wt % composite specimens, they incrementally raised to the finest values of 52.84 and 2860 MPa, respectively, pertinent to the 48 wt % fiber-loaded specimen. A progressive rise in the ILSS and impact strength is perceptible. The wear behavior of the specimens is reported. The worn surface morphology is studied to understand the interface of the ASF with the epoxy matrix. The RF model exhibited outstanding predictive prowess, as evidenced by high R-squared values coupled with low mean-square error and mean absolute error metrics. Rigorous statistical validation employing paired t tests confirmed the model's suitability, revealing no significant disparities between predicted and actual values for both the SWR and COF.

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Section: Methodsmentioning

confidence: 99%

Plain-Woven Areca Sheath Fiber-Reinforced Epoxy Composites: The Influence of the Fiber Fraction on Physical and Mechanical Features and Responses of the Tribo System and Machine Learning Modeling

Subramanyam,

Kotikula,

Bennehalli

et al. 2024

ACS Omega

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“…This mainly occurred due for the removal of hemicellulose, lignin and other compounds, leading to a more thermally stable fiber [53]. The maximum peak (T maximum ) in the DTG indicates the temperature point where the greatest mass loss occurred and their thermal stability was achieved [51,52,54]. In the fibers with 5 min duration of treatment, the highest peak temperature was achieved, namely at 365 °C.…”

Section: Thermal Properties Of Fibersmentioning

confidence: 99%

Hydrothermal treatment of sorghum (Sorghum bicolor (L.) Moench) stalks for enhanced microfibrillated cellulose production

Roziafanto

Lazuardi

Ghozali

et al. 2023

Mater. Res. Express

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Microfibrillated cellulose (MFC) derived from natural fibers has gained significant interest as an environmentally friendly material for economic and ecological reasons. Sorghum (Sorghum bicolor (L.) Moench), a widely cultivated crop that generates waste during bioethanol production, holds the potential for producing MFC and can be used for enhancing polymer’s performance, particularly in terms of crystallinity. The hydrothermal treatments aimed to unbundle lignocellulose networks into MFC with reduced amorphous content and enhanced crystallinity The hydrothermal treatments, necessitating specialized apparatuses and exhibiting limited scalability, can be effectively replaced by the domestic pressure cooker, an alternative intriguing vessel for the simple, cheap, and economical hydrothermal reactor. Hydrothermal treatments using pressurized steaming methods were performed at different durations (5, 25, and 60 minutes), in which the fibers were positioned above the water level to enable targeted interaction with the steam. Characterization of the treated fibers namely chemical composition, morphology, crystallinity index, and thermal stability were analyzed using FTIR spectroscopy, FE-SEM, XRD, and TGA. The results demonstrate the removal of binding materials, such as amorphous hemicellulose and lignin, from the sorghum fibers, leading to fiber defibrillation and producing MFC size range from 12.2 to 19.4 µm. Hydrothermal treated fiber started to decompose at Tinitial around 275–282oC higher than fiber untreated Tinitial = 229oC. The 5 minutes treatment has generated the highest crystallinity index (52 %) and the highest maximum peak temperature (365.26oC). Additionally, the treatments have increased the fibers' crystallinity index and thermal stability, highlighting the potential use of sorghum fiber as a reinforcement candidate in natural fiber polymer composites.

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“…The multinational companies observed that plant fibers have huge possibilities in the packaging, manufacturing nano-whisker, and outdoor insulation applications. 6,[10][11][12] Plant fiber-reinforced polymer composites manifested many benefits, like lower abrasiveness, high stiffness, lower health risk, energy expenditure, density, a higher degree of flexibility, renewability, broad availability, and higher specific strength. Plant fiberreinforced polymer composites have higher mechanical characteristics, are inexpensive, and are biodegradable, making them a beloved interest for various industries.…”

Section: Introductionmentioning

confidence: 99%

“…The plant fiber‐reinforced polymer composites exhibited higher strength because of the existence of cellulose materials. The multinational companies observed that plant fibers have huge possibilities in the packaging, manufacturing nano‐whisker, and outdoor insulation applications 6,10–12 . Plant fiber‐reinforced polymer composites manifested many benefits, like lower abrasiveness, high stiffness, lower health risk, energy expenditure, density, a higher degree of flexibility, renewability, broad availability, and higher specific strength.…”

Section: Introductionmentioning

confidence: 99%

Machine learning‐based prediction of mechanical and thermal properties of nickel/cobalt/ferrous and dried leaves fiber‐reinforced polymer hybrid composites

Mohit,

Sanjay,

Siengchin

et al. 2023

Polymer Composites

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Dried leaves are the outstanding origin of cellulosic plant matter, and it is securing reputation as a renewable resource. Dried leaves fiber is suggested to possess the capability to substitute synthetic fibers in polymer laminates as a reinforcing component. The novelty of the present study reveals the effect of dried leaves fiber, cobalt, nickel, and ferrous reinforcement on the physical, mechanical, and thermal characteristics of epoxy, vinyl‐ester, and polyester polymers using artificial neural network (ANN) technique. These composites were fabricated using ultrasonication bath‐assisted wet layup method under ambient condition. The outcomes of this research exhibit that the dried leaves‐cobalt fillers reinforced in all three polymers possess higher mechanical and thermal stability characteristics when compared with other samples. The reason may be assigned to producing novel hydroxyl functional groups and strong interfacial bonding of fillers within the matrix as observed from Fourier‐transform infrared (FTIR) spectra and scanning electron microscope (SEM) micrographs, respectively. Moreover, as observed from the thermogravimetric analysis, the dried leaves‐ferrous filler‐reinforced polymer hybrid composites provided higher thermal stability. Statistical analysis was performed using the one‐way ANOVA technique and found that outcomes were significant statistically under the confidence level of 95%. Hence, this investigation not only emphasize the significance of investigating new polymer composites but also highlight the benefits of engaging advanced modeling to forecast the material characteristics precisely.Highlights Dried leaves and cobalt/nickel/ferrous are applied reinforcement to polymers. Composites fabricated using ultrasonication bath‐assisted wet layup technique. LM Algorithm‐based ANN selected for predicting the best composite. Higher mechanical and thermal stability with dried leaves‐cobalt filler. One‐way ANOVA proved statistically significant within the material properties.

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Leverage of weave pattern and composite thickness on dynamic mechanical analysis, water absorption and flammability response of bamboo fabric/epoxy composites

Cited by 23 publications

References 58 publications

Plain-Woven Areca Sheath Fiber-Reinforced Epoxy Composites: The Influence of the Fiber Fraction on Physical and Mechanical Features and Responses of the Tribo System and Machine Learning Modeling

Plain-Woven Areca Sheath Fiber-Reinforced Epoxy Composites: The Influence of the Fiber Fraction on Physical and Mechanical Features and Responses of the Tribo System and Machine Learning Modeling

Hydrothermal treatment of sorghum (Sorghum bicolor (L.) Moench) stalks for enhanced microfibrillated cellulose production

Machine learning‐based prediction of mechanical and thermal properties of nickel/cobalt/ferrous and dried leaves fiber‐reinforced polymer hybrid composites

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