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Micro- and meso-lev...
Micro- and meso-level residual stresses in glass-fiber/vinyl-ester composites
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- Andersson, B. (author)
- Aeronautical Research Institute of Sweden
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- Sjogren, A. (author)
- RISE,SICOMP,Aeronautical Research Institute of Sweden
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- Berglund, Lars A. (author)
- Luleå tekniska universitet
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(creator_code:org_t)
- Elsevier Science Ltd, Exeter, United Kingdom, 2000
- 2000
- English.
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In: Composites Science And Technology. - : Elsevier Science Ltd, Exeter, United Kingdom. - 0266-3538 .- 1879-1050. ; 60:10, s. 2011-2028
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Abstract
Subject headings
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- Residual stresses in glass-fiber composites were studied on the micro and meso scales by computational and experimental methods. Transmitted polarized light images of thin sections were compared with 3D finite-element solutions of a sample containing 1410 fibers. Calculated point-wise stresses were derived from a linear thermoelastic model with negligibly small numerical errors. Regions with calculated maximum compressive stresses showed good agreement with experimentally observed optical bands. A material with poor interfacial adhesion showed weaker optical effects indicating fiber/matrix debonding. On the basis of these results it stems likely that irreversible matrix deformation and debonding can take place in the curing phase.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Kompositmaterial och -teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Composite Science and Engineering (hsv//eng)
Keyword
- polymer-matrix composites
- curing
- interface
- finite element analysis
- residual stresses
- polymer-matrix composites
- h-p version
- curing stresses
- mechanics
- fracture
- state
- Polymera konstruktionsmaterial
Publication and Content Type
- ref (subject category)
- art (subject category)
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