Mechanical properties of natural fibre reinforced polyester composites: Jowar, sisal and bamboo

Prasad, A.V. Ratna; Rao, K. Mohana

doi:10.1016/j.matdes.2011.03.015

Cited by 358 publications

(65 citation statements)

References 24 publications

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“…The peach palm fiber had an average tensile strength of 213.5 MPa and a Young's modulus of 10.8 GPa when the total area was used (area taking into account all voids). This behavior was compared to that of other natural fibers, such as piassava (d 'Almeida et al 2006), coir (Defoirdt et al 2010;Ferreira et al 2014), jute (Fidelis et al 2013), sisal (Silva et al 2008), curauá (Tomczak et al 2007;Spinacé et al 2009), bamboo (Prasad andRao 2011), okra (De Rosa et al 2010), Lygeum spartum L. (Belouadah et al 2015), banana (Prasad and Rao 2011), alpha (Brahim and Cheikh 2007), and hemp (Jayaramudu et al 2010).…”

Section: Fiber Mechanical Behaviormentioning

confidence: 99%

Effect of Peach Palm Fiber Microstructure on its Tensile Behavior

2016

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This paper presents the results of an experimental investigation into the mechanical behavior and microstructural characteristics of peach palm fibers. The fiber morphology was studied using a scanning electron microscope (SEM), and the results of the mechanical tests were correlated with the fiber microstructure. The specimens were submitted to direct tensile tests in a state-of-the art microforce testing system using three different gauge lengths. The cross sectional areas of the fibers were measured using SEM micrographs and image analysis. The fiber microstructural characteristics were determined via thermogravimetric analysis and X-ray diffraction. The measured Young's modulus was corrected for machine compliance. Weibull statistics were used to quantify the degree of variability in fiber strength at the different gauge lengths. The failure mechanisms were described and discussed in terms of the fiber microstructure, as well as defects in the fiber. The results showed that the fiber void content had a large influence on the fiber tensile strength and elastic modulus but the amount of main voids did not influence the fiber strength.

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Section: Fiber Mechanical Behaviormentioning

confidence: 99%

Effect of Peach Palm Fiber Microstructure on its Tensile Behavior

2016

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“…The environmental advantages of using natural fibers instead of glass fibers as reinforcement for composite materials are well known (Adekunle et al 2011;Rassmann et al 2011;Ratna Prasad and Mohana Rao 2011). In the automotive industry, natural fiber composites reduce toxin emissions and improve fuel efficiency.…”

Section: Introductionmentioning

confidence: 99%

Effects of Kenaf Fiber Orientation on Mechanical Properties and Fatigue Life of Glass/Kenaf Hybrid Composites

Sharba¹,

Leman²,

Sultan³

et al. 2015

BioResources

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The objectives of this work were to investigate the effect of kenaf fiber alignment on the mechanical and fatigue properties of kenaf/glass hybrid sandwich composites. Three types of kenaf fibers were used, namely, non-woven random mat, unidirectional twisted yarn, and plain-woven kenaf. A symmetric sandwich configuration was constructed with glass as the shell and kenaf as the core with a constant kenaf/glass weight ratio of 30/70% and a volume fraction of 35%. Tensile, compression, flexural, and fully reversed fatigue tests were conducted, and a morphological study of the tensile failure surface of each hybrid composite was carried out. The non-woven mat kenaf hybrid had poor properties for all tests, while the unidirectional kenaf hybrid composite possessed higher tensile strength and similar compressive properties compared with the woven kenaf. Hybridization with kenaf fibers improved the fatigue degradation coefficient of the final composites to 6.2% and 6.4% for woven and unidirectional kenaf, respectively, compared with 7.9% for non-woven. Because woven kenaf hybrid composite is lightweight, environment friendly, and has a considerable balance in static and fatigue strengths with low fatigue sensitivity in bidirectional planes compared to glass, it is strongly recommended for structural applications.

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“…In this study, the tensile strength is increasing continuously from 10% to 50% fiber content without any decreasing value of strength. Increasing the volume fraction of bamboo fibers in composites increased the tensile strength more than in sisal and jowar composites (Prasad and Rao 2011). Figure 4 shows that sisal, jowar, and bamboo composites showed increased tensile strength as the volume fraction of fibers increased.…”

Section: Fiber Loadingmentioning

confidence: 97%

A Review on the Tensile Properties of Bamboo Fiber Reinforced Polymer Composites

Shah

Sultan

Jawaid

et al. 2016

BioRes

100

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a This paper reviews the tensile properties of bamboo fiber reinforced polymer composites (BFRP). Environmentally friendly bamboo fibers have good mechanical properties, which make them suitable replacements for conventional fibers, such as glass and carbon, in composite materials. Better fiber and matrix interaction results in good interfacial adhesion between fiber/matrix and fewer voids in the composite. Several important factors improve matrix-fiber bonding and enhance the tensile properties of BFRP. Coupling agents, such as maleic anhydride polypropylene (MAPP), improve the adhesion of bamboo fibers in the polypropylene (PP) matrix. A high percentage of lignin content in bamboo fibers limits fiber separation, which leads to less matrix absorption between fibers. Steam explosion is the best extraction method for bamboo fibers, although an additional mechanically rubbing process is required for fiber separation. Generally, high fiber content results in good composite performance, but at a certain limit, the matrix does not adhere well with a saturated amount of fibers, and the composite tensile strength decreases. However, the tensile modulus of BFRP is not affected by excess fiber content. Hybridization of bamboo with conventional fibers increases the tensile strength of BFRP. The addition of micro/nano-sized bamboo fibrils into the carbon fabric composites slightly enhances composite strength.

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Mechanical properties of natural fibre reinforced polyester composites: Jowar, sisal and bamboo

Cited by 358 publications

References 24 publications

Effect of Peach Palm Fiber Microstructure on its Tensile Behavior

Effect of Peach Palm Fiber Microstructure on its Tensile Behavior

Effects of Kenaf Fiber Orientation on Mechanical Properties and Fatigue Life of Glass/Kenaf Hybrid Composites

A Review on the Tensile Properties of Bamboo Fiber Reinforced Polymer Composites

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