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Compression and ten...
Compression and tensile properties of self-reinforced poly(ethylene terephthalate)-composites
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- Schneider, Christof (författare)
- KTH,Lättkonstruktioner
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- Kazemahvazi, Sohrab (författare)
- KTH,Lättkonstruktioner
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- Åkermo, Malin, 1969- (författare)
- KTH,Lättkonstruktioner
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- Zenkert, Dan, 1961- (författare)
- KTH,Lättkonstruktioner
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(creator_code:org_t)
- Elsevier, 2013
- 2013
- Engelska.
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Ingår i: Polymer testing. - : Elsevier. - 0142-9418 .- 1873-2348. ; 32:2, s. 221-230
- Relaterad länk:
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http://www.sciencedi...
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https://kth.diva-por... (primary) (Raw object)
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http://kth.diva-port...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- 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.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Farkostteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Vehicle Engineering (hsv//eng)
Nyckelord
- Compression testing
- Mechanical properties
- Polymer-matrix composite
- Self-reinforced
- SRA - Production
- SRA - Produktion
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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