Transverse loading of monofilament reinforced microcomposites : a novel fragmentation technique for measuring the fibre compressive strength

Carbon/J-polymer single fibre composite samples were tested under tensile conditions with the fibre direction perpendicular to the tensile loading axis. The Poisson ratio effect induced a compression strain field in the fibre, resulting in a fragmentation phenomenon similar to that observed in a fib...

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Bibliographic Details
Published inJournal of materials science Vol. 27; no. 15; pp. 4175 - 4180
Main Authors WAGNER, H. D, MIGLIARESI, C, GILBERT, A. H, MAROM, G
Format Journal Article
LanguageEnglish
Published Heidelberg Springer 01.08.1992
Subjects
Applied sciences
Composites
Exact sciences and technology
Forms of application and semi-finished materials
Polymer industry, paints, wood
Technology of polymers
Nylon
Mechanical properties
Compressive strength
Measurement method
Transverse load
Composite material
Carbon fiber
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Summary:Carbon/J-polymer single fibre composite samples were tested under tensile conditions with the fibre direction perpendicular to the tensile loading axis. The Poisson ratio effect induced a compression strain field in the fibre, resulting in a fragmentation phenomenon similar to that observed in a fibre subjected to tensile loading. This observation introduces a novel technique for the measurement of the compressive strength of single fibres, calculated either from the stress at first break, or from the Weibull scale parameter obtained from the fragmentation data produced at various stress levels. The special sample loading configuration used here also provides the first measurement of the effect of the length of the fibre on its compressive strength value. A polyamide resin is used as matrix.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0022-2461
1573-4803
DOI:10.1007/BF01105122