Strathprints Home | Open Access | Browse | Search | User area | Copyright | Help | Library Home | SUPrimo

Natural fibre cross sectional area, its variability and effects on the determination of fibre properties

Thomason, James and Carruthers, John (2012) Natural fibre cross sectional area, its variability and effects on the determination of fibre properties. Journal of Biobased Materials and Bioenergy, 6 (4). pp. 424-439. ISSN 1556-6560

[img] Microsoft Word - Draft Version
Download (1104Kb)

    Abstract

    The results of a study on the measurement of fibre bundle cross section and its variability in flax and sisal fibres are presented. Cross section values obtained from “diameter” measurements were more than double the values obtained from actual observation of cross sections of the same individual fibre bundles. The overall conclusion is that “diameter” measurement is not an attractive method for accurate estimation of cross sectional area of these natural fibre bundles. This conclusion is significant for researchers engaged in micromechanical investigation of natural fibre composites since differences in fibre cross section translate directly into differences of the same magnitude in the values obtained for the fibre modulus and strength. The error in fibre bundle cross section introduced by the “diameter” method scales with the average fibre bundle “diameter” which may also result in erroneous observations of fibre modulus and strength which scale inversely with natural fibre bundle “diameter”. The difference in average cross section observed from fibre bundle to fibre bundle was significantly greater than the variation along the length of each individual fibre bundle. The minimum to maximum cross section variability of individual flax fibre bundles was found to be approximately twice that observed for sisal fibre bundles. A simple model based on a non-circular fibre bundle cross section is introduced and shown to explain these observations.

    Item type: Article
    ID code: 40885
    Keywords: natural fibre, fibre properties, flax, sisal, fibre modulus and strength , Mechanical engineering and machinery, Mechanical Engineering, Mechanics of Materials, Biomaterials, Ceramics and Composites
    Subjects: Technology > Mechanical engineering and machinery
    Department: Faculty of Engineering > Mechanical and Aerospace Engineering
    Faculty of Science > Pure and Applied Chemistry
    Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 15 Aug 2012 09:29
    Last modified: 27 Mar 2014 10:27
    URI: http://strathprints.strath.ac.uk/id/eprint/40885

    Actions (login required)

    View Item

    Fulltext Downloads: