Mechanical properties of randomly oriented short Sansevieria cylindrica fibre/polyester composites

Sreenivasan, V.S.; Ravindran, D.; Manikandan, Velu; Narayanasamy, R.

doi:10.1016/j.matdes.2010.11.042

Cited by 131 publications

(43 citation statements)

References 25 publications

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“…For the fibre reinforced polymer composites, fibre is the main factor that affects the impact resistance of the composites, as fibres act as a medium for stress transfer and as a response to the formation of a crack in the matrix (Sreenivasan et al 2011). The impact strength results that exhibited the capability of roselle fibre to bear the stress transferred from the matrix declined as fibre loading increased in the composites.…”

Section: Impact Propertiesmentioning

confidence: 99%

Mechanical and Thermal Properties of Roselle Fibre Reinforced Vinyl Ester Composites

Razali¹,

Sapuan²,

Jawaid³

et al. 2016

BioResources

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Roselle (Hibiscus sabdariffa L.) bast fibre reinforced vinyl ester (VE) was prepared using a hand lay-up method and an internal mixer. The composite samples were prepared under two different parameters: with various fibre contents; and without fibre (neat VE). The mechanical properties (tensile and impact strength) and thermal properties were investigated. The morphological properties of impact fracture samples were studied using a scanning electron microscope (SEM). Roselle fibre reinforced VE (RFVE) composites showed increased tensile strength and tensile modulus. The highest tensile strength and modulus were at 20vt% fibre loading. However, impact strength decreased as the fibre loading increased. SEM showed that there was good fibre/matrix adhesion and fibre dispersion for 20% fibre loading, which was reflected in the good tensile strength properties. However, fibre agglomeration was seen at higher fibre loads. The results from thermogravimetric analysis (TGA) and derivative thermogravimetric analysis (DTG) showed three major degradations of the RFVE, which were the loss of moisture content, degradation of hemicelluloses, and degradation of cellulose. The thermal analysis showed enhancements in the residual content of the composite materials, thereby improving the thermal stability. However, there was no major difference seen in the degradation temperature.

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Section: Impact Propertiesmentioning

confidence: 99%

Mechanical and Thermal Properties of Roselle Fibre Reinforced Vinyl Ester Composites

Razali¹,

Sapuan²,

Jawaid³

et al. 2016

BioResources

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“…It controls the elongation of the composite during breakage by reducing impact energy absorption. Agglomeration also occurs on it at high fibre loading, causing fibre-to-fibre contact that reduces the stress transfer between the fibre and the matrix, resulting in composite failure [18][19][20].…”

Section: Introductionmentioning

confidence: 99%

Ballistic impact velocity response of carbon fibre reinforced aluminium alloy laminates for aero-engine

Mohammed

Talib

Sultan

et al. 2017

IOP Conf. Ser.: Mater. Sci. Eng.

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“…The mechanical properties of composite components are strongly influenced by the morphology and weight percentage of the glass fibers. Evidently, an inhomogeneous microstructure can result in local variations of the stress concentration, which can affect the mechanical performance of the composite material [3,4]. In recent years, in order to characterize the microstructures of fiber-reinforced composites, different image-analysis techniques have been applied using optical microscopy or scanning electron microscopy (SEM) [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

A Voronoi-diagram analysis of the microstructures in bulk-molding compounds and its correlation with the mechanical properties

Bertoncelj¹,

Vojisavljević²,

Rihtarsic³

et al. 2016

Express Polym. Lett.

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Abstract. Voronoi analysis is implemented to assess the influence of fiber content on the microstructure and mechanical properties of bulk-molding compounds containing different weight fractions of E-glass fibers (EGF) (5-20 wt%). The fiber distribution in the polymer matrix is analyzed by scanning electron microscopy followed by the Voronoi tessellations, radial distribution function and statistical calculations. The experimental results are compared to modelled microstructures. The derived microstructural descriptors allow us to correlate the fiber weight content and the degree of fiber distribution homogeneity with the mechanical properties of EGF-reinforced composites. The distribution of fibers in composites with 10 and 15 wt% of fibers could be considered as the most homogeneous. This is in a good agreement with the results of the flexural strength and dynamic mechanical analyses, which confirmed that the latter samples exhibit the highest level of reinforcement.

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Mechanical properties of randomly oriented short Sansevieria cylindrica fibre/polyester composites

Cited by 131 publications

References 25 publications

Mechanical and Thermal Properties of Roselle Fibre Reinforced Vinyl Ester Composites

Mechanical and Thermal Properties of Roselle Fibre Reinforced Vinyl Ester Composites

Ballistic impact velocity response of carbon fibre reinforced aluminium alloy laminates for aero-engine

A Voronoi-diagram analysis of the microstructures in bulk-molding compounds and its correlation with the mechanical properties

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