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Mechanical performance of novel high TG polyimide matrix carbon fibre-reinforced laminates
RISE - Research Institutes of Sweden, Materials and Production, SICOMP.ORCID iD: 0000-0002-1594-2688
RISE, Swerea, SICOMP. Luleå University of Technology, Sweden.
RISE, Swerea, SICOMP. Luleå University of Technology, Sweden.ORCID iD: 0000-0002-5210-4341
2015 (English)In: ICCM International Conferences on Composite Materials, International Committee on Composite Materials , 2015Conference paper, Published paper (Refereed)
Abstract [en]

In this study, an assessment of the mechanical performance of a newly developed carbon fibre-reinforced polyimide composite system T650/NEXIMID® MHT-R is presented. This system was subjected to a series of mechanical tests at ambient temperature in order to determine the tensile, compressive, flexural and interlaminar shear properties. Moreover, an additional testing campaign was conducted, using a T650/NEXIMID® MHT-R laminate in which the sizing had been thermally removed prior to manufacturing, in order to investigate the effect of fiber treatment on the mechanical performance. The experimental results indicated that the T650/NEXIMID® MHT-R composites along with exceptionally high Tg (~370-420ºC) exhibited very good elastic properties in comparison with other polyimide and epoxy-based systems and, although slightly lower than the best results from literature, promising strength values. Finally, the thermal removal of the sizing did not affect the tensile, compression and flexural properties, however the interlaminar shear strength was significantly deteriorated.

Place, publisher, year, edition, pages
International Committee on Composite Materials , 2015.
Keywords [en]
Carbon fibres, High temperature composites, Mechanical properties, Polyimide
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-42206Scopus ID: 2-s2.0-85040058746OAI: oai:DiVA.org:ri-42206DiVA, id: diva2:1379744
Conference
20th International Conference on Composite Materials, ICCM 2015, 19 July 2015 through 24 July 2015
Available from: 2019-12-17 Created: 2019-12-17 Last updated: 2019-12-17Bibliographically approved

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Tsampas, SpyrosJoffe, Roberts

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CiteExportLink to record
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