Comparison of experimental and calculated tensile properties of flax fibres

Soatthiyanon, Niphaphun, Crosky, Alan and Heitzmann, Michael T. (2015). Comparison of experimental and calculated tensile properties of flax fibres. In: Dilum Fernando, Jin-Guang Teng and Jose L. Torero, Proceedings of the Second International Conference on Performance-based and Life-cycle Structural Engineering (PLSE 2015). International Conference on Performance-based and Life-cycle Structural Engineering, Brisbane, QLD, Australia, (116-120). 9-11 December 2015. doi:10.14264/uql.2016.423

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Author Soatthiyanon, Niphaphun
Crosky, Alan
Heitzmann, Michael T.
Title of paper Comparison of experimental and calculated tensile properties of flax fibres
Conference name International Conference on Performance-based and Life-cycle Structural Engineering
Conference location Brisbane, QLD, Australia
Conference dates 9-11 December 2015
Proceedings title Proceedings of the Second International Conference on Performance-based and Life-cycle Structural Engineering (PLSE 2015)
Place of Publication Brisbane, QLD, Australia
Publisher School of Civil Engineering, The University of Queensland
Publication Year 2015
Sub-type Fully published paper
DOI 10.14264/uql.2016.423
Open Access Status File (Publisher version)
ISBN 9781742721477
Editor Dilum Fernando
Jin-Guang Teng
Jose L. Torero
Start page 116
End page 120
Total pages 5
Collection year 2016
Language eng
Formatted Abstract/Summary
The tensile properties of natural plant fibres are commonly determined by single fibre testing. The crosssectional area used to determine the modulus and strength is usually obtained by measuring the fibre width and using this as the fibre diameter, on the assumption that the fibres are circular in section. While the assumption of circularity is reasonably true for synthetic fibres, it is not correct for natural fibres and this can lead to substantial error whendetermining the tensile properties of the fibres. The present study determined the tensile properties of 113 flax technical fibres, using an experimentally determined fibre areacorrection factor to account for the non-circularity of the fibres. The data was then compared to that obtained from back-calculation of the results obtained from longitudinal tensile testing of flax/vinyl ester unidirectional composites,which were manufactured from the same material as that used for the single fibre tests. Account was taken of the effect of fibre length on strength. The experimentally determined fibre area correction factor was found to be 2.70. Taking this into account for the single fibre tests, the back- calculated modulus of the flax fibres was within 6% of that obtained from the single fibre tests while the strength was within 7%.
Keyword Natural fibre composites
Flax fibres
Flax/vinyl ester
Single fibre tensile testing
Fibre area correction factor
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status UQ

 
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Created: Wed, 23 Dec 2015, 12:11:51 EST by Anthony Yeates on behalf of Faculty Of Engineering, Architecture & Info Tech