Compressive behaviour of unidirectional flax fibre reinforced composites

Bos, H.L.; Molenveld, K.; Teunissen, W.; Wingerde, A. M. van; Delft, D.R.V. van

doi:10.1023/b:jmsc.0000017779.08041.49

Cited by 88 publications

(66 citation statements)

References 22 publications

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“…The field of study of defects in natural fibres is still developing, and the terminology is not yet fully developed. It is known that flax fibres have some localized structural 4 irregularities in their cell walls, sometimes referred to as kink bands, dislocations or nodes [7]. In the present study they will be referred to simply as defects.…”

Section: Introductionmentioning

confidence: 94%

“…Two samples were tested, and they both failed in the notched region with ultimate strengths of 161 MPa and 169 MPa. 7 Another series of laboratory tests were performed to simulate the step-wise load sequence used at the synchrotron facility. The specimens were loaded to 60, 90, 120 and 150 MPa.…”

Section: Preliminary Testsmentioning

confidence: 99%

“…Figure 9 demonstrates how such kink bands result in fibre failure at the final load step. The kink bands are defects, believed to result from handling and processing of the fibres resulting in a disordered arrangement of the cellulose microfibrils in the cell wall [7]. Figure 13b shows a scanning electron micrograph of a node on a flax fibre with a barrel-shaped bulging appearance.…”

Section: Fibre Failuresmentioning

confidence: 99%

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In situ observations of microscale damage evolution in unidirectional natural fibre composites

Rask

Madsen

Sørensen

et al. 2012

Composites Part A: Applied Science and Manufacturing

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Synchrotron X-ray tomographic microscopy (XTM) has been used to observe in situ damage evolution in unidirectional flax fibre yarn/polypropylene composites loaded in uniaxial tension at stress levels between 20% and 95% of the ultimate failure stress. XTM allows for 3D visualization of the internal damage state at each stress level. The overall aim of the study is to gain a better understanding of the damage mechanisms in natural fibre composites. This is necessary if they are to be optimized to fulfil their promising potential. Three dominating damage mechanisms have been identified: (i) interface splitting cracks typically seen at the interfaces of bundles of unseparated fibres, (ii) matrix shear cracks, and (iii) fibre failures typically seen at fibre defects. Based on the findings in the present study, well separated fibres with a low number of defects are recommended for composite reinforcements.

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Section: Introductionmentioning

confidence: 94%

Section: Preliminary Testsmentioning

confidence: 99%

Section: Fibre Failuresmentioning

confidence: 99%

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In situ observations of microscale damage evolution in unidirectional natural fibre composites

Rask

Madsen

Sørensen

et al. 2012

Composites Part A: Applied Science and Manufacturing

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show abstract

“…The mechanical process consists of scrapping the leaves with machines called raspadors under a jet of water [4]. This process is firstly expensive because it needs a lot of water and energy.…”

Section: Extraction Of Agave Fibers 211 Mechanical Processmentioning

confidence: 99%

Investigation and Development of Composite Board for Automobile Applications Using Agave

S.Radika¹

2015

IJIRSET

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ABSTRACT:In the recent years, due to environmental concerns developed, the nature fibre composites have shown a growth of interest because of their recyclability and biodegradability. Natural fibres can be obtained at a low price using locally available manual labor and eco friendly material in nature. Natural fibres are readily available in large quantities in many countries and they represent a continuous renewable source. In this project we have developed agave fiber polypropylene composites with 3 proportions such as 25/75, 35/65 and 50/50. The technique we used for composite making is compression molding. From these three proportions, 35/65 proportion has high impact strength and tensile strength besides having moderate flexural properties compared to other proportions such as 25/75 and 50/50. The present paper surveys the research work published in the field of agave fiber reinforced polymer composites with special reference to the structure and properties of agave fiber, processing techniques, and the physical and mechanical properties of the composites.

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“…Parenhimske ćelije i pojedinačna vlakna, koje ograĎuju prostor oko srednje lamele sadrže pektine, dok je sekundarni zid osiromašen ovom komponentom, što je dokazano bojenom reakcijom sa Rutenijum (Ruthenium) crvenom bojom, a prikazano je na slici 1.38b. Voskovi su pronaĎeni u ćelijama epidermisa, pri čemu su najveće količine ove komponente smeštene u kutikularnom sloju, što uslovljava hidrofobnost, a dokazuje se crvenim obojenjem sa Sudan IV bojom (1.38c) [161,162].…”

Section: Struktura I Svojstva Vlakana Konopljeunclassified

Influence of different factors of physico-chemical modification on structure and properties of hemp fibers

Pejić¹

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Compressive behaviour of unidirectional flax fibre reinforced composites

Cited by 88 publications

References 22 publications

In situ observations of microscale damage evolution in unidirectional natural fibre composites

In situ observations of microscale damage evolution in unidirectional natural fibre composites

Investigation and Development of Composite Board for Automobile Applications Using Agave

Influence of different factors of physico-chemical modification on structure and properties of hemp fibers

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