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Mechanical performance of a recycled carbon fibre/PP composite
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Materialvetenskap.ORCID-id: 0000-0001-9649-8621
2011 (engelsk)Inngår i: Experimental mechanics, ISSN 0014-4851, E-ISSN 1741-2765, Vol. 51, nr 5, s. 767-777Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A composite made of recycled carbon fibres in recycled polypropylene matrix is studied experimentally to describe the features of the elastic and time dependent nonlinear mechanical behaviour. The properties of the developed material have a large variability to be addressed and understood. It was found that the stress-strain curves in tension are rather nonlinear at low strain rate and the strength is sensitive to strain rate. The elastic properties' reduction for this composite after loading to high strains is rather limited. More important is that even in the "elastic region" due to viscoelastic effects the slope of loading-unloading curve is not the same and that at higher stress large viscoplastic strains develop and creep rupture is typical. The time and stress dependence of viscoplastic strains was analysed and described theoretically. The viscoelastic response of the composite was analysed using creep compliance, which was found to be slightly nonlinear

sted, utgiver, år, opplag, sider
2011. Vol. 51, nr 5, s. 767-777
HSV kategori
Forskningsprogram
Polymera konstruktionsmaterial
Identifikatorer
URN: urn:nbn:se:ltu:diva-3168DOI: 10.1007/s11340-010-9369-8ISI: 000290337100009Scopus ID: 2-s2.0-79955860844Lokal ID: 0f5b4180-77bc-11df-ab16-000ea68e967bOAI: oai:DiVA.org:ltu-3168DiVA, id: diva2:976024
Merknad
Validerad; 2011; 20100614 (andbra)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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