New processing technique for biodegradable kenaf composites: A simple alternative to commercial automotive parts

Radzuan, Nabilah Afiqah Mohd; Tholibon, Dulina; Sulong, Abu Bakar; Muhamad, Norhamidi; Haron, Che Hassan Che

doi:10.1016/j.compositesb.2019.107644

Cited by 29 publications

(8 citation statements)

References 45 publications

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“…The low strength of F6 can be attributed to the weak interfacial bond between flax fiber and its matrix. This is consistent with that obtained for kenaf fiber reinforced polypropylene composite [68]. As reported by Bisanda [69], the smooth surface of untreated flax fiber provides low surface tension and low work of adhesion.…”

Section: Tensile Propertiessupporting

confidence: 92%

Hybrid composite laminates reinforced with flax-basalt-glass woven fabrics for lightweight load bearing structures

Attia

El‐baky

Abdelhaleem

et al. 2020

Journal of Industrial Textiles

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An experimental investigation on the mechanical performance of interlayer hybrid flax-basalt-glass woven fabrics reinforced epoxy composite laminates has been performed. The tensile, flexural, in-plane shear, interlaminar shear, bearing, and impact properties of the fabricated laminates were investigated. Test specimens were fabricated using vacuum bagging process. Failure modes of all specimens were recorded and discussed. Results proved that the mechanical properties of flax-basalt-glass hybrid laminates are highly dominated by the reinforcement combinations and plies stacking sequence. Hybridizing flax fiber reinforced composite with basalt and/or glass fabrics provides an effective method for enhancing its tensile, flexural, in-plane shear, interlaminar shear, and bearing properties as well as controls the impact strength of the composite. The fabricated hybrids are found to have good specific mechanical properties benefits. Amongst the studied flax/basalt/glass hybrids, FBGs has the highest tensile properties, GBFs has the highest flexural and impact properties, and GFBs has the best shear and bearing properties. Flax-basalt-glass hybrid composites with different layering sequence seem to be an appropriate choice for lightweight load bearing structures.

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Section: Tensile Propertiessupporting

confidence: 92%

Hybrid composite laminates reinforced with flax-basalt-glass woven fabrics for lightweight load bearing structures

Attia

El‐baky

Abdelhaleem

et al. 2020

Journal of Industrial Textiles

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“…It has merits such as fast growing, high carbon dioxide absorption during cultivation, relatively high mechanical, impact, and thermal properties, compared to other natural fibers. Hence, kenaf is one of the most frequently used fiber reinforcements for natural fiber composites [10][11][12]. One of the most popular thermoplastic resins used in the composites with kenaf fibers is polypropylene [13][14][15].…”

Section: Introductionmentioning

confidence: 99%

Effects of Waste Expanded Polypropylene as Recycled Matrix on the Flexural, Impact, and Heat Deflection Temperature Properties of Kenaf Fiber/Polypropylene Composites

Kim

Cho

2020

Polymers

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Waste Expanded polypropylene (EPP) was utilized as recycled matrix for kenaf fiber-reinforced polypropylene (PP) composites produced using chopped kenaf fibers and crushed EPP waste. The flexural properties, impact strength, and heat deflection temperature (HDT) of kenaf fiber/PP composites were highly enhanced by using waste EPP, compared to those by using virgin PP. The flexural modulus and strength of the composites with waste EPP were 98% and 55% higher than those with virgin PP at the same kenaf contents, respectively. The Izod impact strength and HDT were 31% and 12% higher with waste EPP than with virgin PP, respectively. The present study indicates that waste EPP would be feasible as recycled matrix for replacing conventional PP matrix in natural fiber composites.

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“…In contrast, compared to the 90° orientation of kenaf/PP composites, the composites at a 0° orientation angle seemed to experience no misalignment, improper wettability, or any other defect which might deteriorate their mechanical performance, which was also reported by another study using similar kenaf/PP composites [ 46 ]. This was because the prepared kenaf fibers were combed rather than chemically treated, further resulting in a balanced mixture and excellent composite structure [ 46 ]. Furthermore, Figure 7 a,a1 demonstrates that the kenaf fibers experienced a fiber pull-out due to strong adhesion within the kenaf fibers and matrix.…”

Section: Resultsmentioning

confidence: 65%

“…A similar negative trend was also shown in the kenaf/PP composites at 90 • , which supported the lowest flexural strength recorded at a temperature of 120 • C. In addition, Figure 6a2 indicates that there were increments of tan δ due to the increase in interface bonding among the kenaf/PP composites, which later reduced the damping factor because of the decrease in mobility of the molecular chains at the kenaf/PP composites' interface [45].These are shown in Figure 7b,b1, in which at 90 • , the adhesion between the kenaf fibers and the matrix was low, with no reinforcement within the kenaf fibers as the applied load was only subjected to the polymer matrix. In contrast, compared to the 90 • orientation of kenaf/PP composites, the composites at a 0 • orientation angle seemed to experience no misalignment, improper wettability, or any other defect which might deteriorate their mechanical performance, which was also reported by another study using similar kenaf/PP composites [46]. This was because the prepared kenaf fibers were combed rather than chemically treated, further resulting in a balanced mixture and excellent composite structure [46].…”

Section: Mechanical Propertiesmentioning

confidence: 81%

Effects of High-Temperature Exposure on the Mechanical Properties of Kenaf Composites

et al. 2020

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Automotive parts, including dashboards and trunk covers, are now fabricated through a compression-molding process in order to produce lightweight products and optimize fuel consumption. However, their mechanical strength is not compromised to avoid safety issues. Therefore, this study investigates kenaf-fiber-reinforced polypropylene composites using a simple combing approach to unidirectionally align kenaf fibers at 0°. The kenaf composite was found to withstand a maximal temperature of 120 °C. The tensile and flexural strengths of the aligned kenaf composites (50 and 90 MPa, respectively) were three times higher than those of the commercialized Product T (between 39 and 30.5 MPa, respectively) at a temperature range of 90 to 120 °C. These findings clearly showed that the mechanical properties of aligned kenaf fibers fabricated through the combing technique were able to withstand high operating temperatures (120 °C), and could be used as an alternative to other commercial natural-fiber products.

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New processing technique for biodegradable kenaf composites: A simple alternative to commercial automotive parts

Cited by 29 publications

References 45 publications

Hybrid composite laminates reinforced with flax-basalt-glass woven fabrics for lightweight load bearing structures

Hybrid composite laminates reinforced with flax-basalt-glass woven fabrics for lightweight load bearing structures

Effects of Waste Expanded Polypropylene as Recycled Matrix on the Flexural, Impact, and Heat Deflection Temperature Properties of Kenaf Fiber/Polypropylene Composites

Effects of High-Temperature Exposure on the Mechanical Properties of Kenaf Composites

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