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Compression and ten...
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Schneider, ChristofKTH,Lättkonstruktioner
(författare)
Compression and tensile properties of self-reinforced poly(ethylene terephthalate)-composites
- Artikel/kapitelEngelska2013
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Elsevier,2013
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LIBRIS-ID:oai:DiVA.org:kth-116487
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-116487URI
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https://doi.org/10.1016/j.polymertesting.2012.11.002DOI
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Språk:engelska
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Sammanfattning på:engelska
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QC 20130213
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Tensile and compression properties of self-reinforced poly(ethylene terephthalate) (SrPET) composites has been investigated. SrPET composites or all-polymer composites have improved mechanical properties compared to the bulk polymer but with maintained recyclability. In contrast to traditional carbon/glass fibre reinforced composites, SrPET composites are very ductile, resulting in high failure strains without softening or catastrophic failure. In tension, the SrPET composites behave linear elastically until the fibre-matrix interface fails, at which point the stiffness starts decreasing. As the material is further strained, strain hardening occurs and the specimen finally fails at a global strain above 10%. In compression, the composite initially fails through fibre yielding, and at higher strains through fibre bending. The stress-strain response is reminiscent of an elastic-perfectly plastic material with a high strain to failure (typically over 10%). This indicates that SrPET composites are not only candidates as semi-structural composites but also as highly efficient energy absorbing materials.
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Kazemahvazi, SohrabKTH,Lättkonstruktioner(Swepub:kth)u145wf7t
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Åkermo, Malin,1969-KTH,Lättkonstruktioner(Swepub:kth)u1jqj63r
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Zenkert, Dan,1961-KTH,Lättkonstruktioner(Swepub:kth)u1g11y0a
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KTHLättkonstruktioner
(creator_code:org_t)
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Ingår i:Polymer testing: Elsevier32:2, s. 221-2300142-94181873-2348
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