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Fibre fragment distribution in a single-fibre composite tension test
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- Andersons, J. (author)
- University of Latvia
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- Joffe, Roberts (author)
- Luleå tekniska universitet,Materialvetenskap
- Hojo, M. (author)
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- (creator_code:org_t)
- 2001
- 2001
- English.
- In: Composites Part B. - 1359-8368 .- 1879-1069. ; 32:4, s. 323-332
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Single fibre fragmentation tests are performed for brittle fibres with Weibull strength distribution and different surface treatments. The fragmentation process is modelled and closed-form expressions for break spacing distribution are obtained. The model accounts for the effect of finite fibre length on the initial fragmentation as well as for break interaction on the advanced fragmentation stage. It is assumed that the exclusion zone due to fibre-matrix interface failure and stress recovery in the fibre is linearly dependent on the applied load. This assumption is validated experimentally. The derived theoretical average fragment length dependence on applied load is used to determine the fibre strength distribution parameters and the effective interfacial shear stress for carbon/epoxy single fibre composites with different fibre surface treatment and for glass/vinylester single fibre composite. Fragment length distribution is predicted for several load levels. Predictions are in good agreement with experimental data
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Kompositmaterial och -teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Composite Science and Engineering (hsv//eng)
Keyword
- Polymeric Composite Materials
- Polymera konstruktionsmaterial
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Andersons, J.
- Joffe, Roberts
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- Ochiai, S.
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- Luleå University of Technology
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