Investigation of fire protection performance and mechanical properties of thin-ply bio-epoxy composites

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Cong, X.Faculty of Science and Engineering, University of Nottingham Ningbo China, Ningbo 315100, China (författare)

Investigation of fire protection performance and mechanical properties of thin-ply bio-epoxy composites

Artikel/kapitelEngelska2021

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2021-02-27
MDPI AG,2021
electronicrdacarrier

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LIBRIS-ID:oai:DiVA.org:hb-25949
https://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-25949URI
https://doi.org/10.3390/polym13050731DOI

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Språk:engelska
Sammanfattning på:engelska

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Hybrid composites composed of bio-based thin-ply carbon fibre prepreg and flame-retardant mats (E20MI) have been produced to investigate the effects of laminate design on their fire protection performance and mechanical properties. These flame-retardant mats rely primarily on expandable graphite, mineral wool and glass fibre to generate a thermal barrier that releases incom-bustible gasses and protects the underlying material. A flame retardant (FR) mat is incorporated into the carbon fibre bio-based polymeric laminate and the relationship between the fire protection properties and mechanical properties is investigated. Hybrid composite laminates containing FR mats either at the exterior surfaces or embedded 2-plies deep have been tested by the limited oxygen index (LOI), vertical burning test and cone calorimetry. The addition of the surface or embedded E20MI flame retardant mats resulted in an improvement from a base line of 33.1% to 47.5% and 45.8%, respectively. All laminates passed the vertical burning test standard of FAR 25.853. Cone calorimeter data revealed an increase in the time to ignition (TTI) for the hybrid composites containing the FR mat, while the peak of heat release rate (PHRR) and total heat release (TTR) were greatly reduced. Furthermore, the maximum average rate of heat emission (MARHE) values indicated that both composites with flame retardant mats had achieved the requirements of EN 45545-2. However, the tensile strengths of laminates with surface or embedded flame-retardant mats were reduced from 1215.94 MPa to 885.92 MPa and 975.48 MPa, respectively. Similarly, the bending strength was reduced from 836.41 MPa to 767.03 MPa and 811.36 MPa, respectively. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.

Ämnesord och genrebeteckningar

TEKNIK OCH TEKNOLOGIER Materialteknik Kompositmaterial och -teknik hsv//swe
ENGINEERING AND TECHNOLOGY Materials Engineering Composite Science and Engineering hsv//eng
Bio-based epoxy laminate
Fire protection performance
Flame retardant mat
Mechanical properties
Thin-ply prepreg
Bending strength
Calorimeters
Fire extinguishers
Graphite fibers
Laminated composites
Mineral wool
Tensile strength
Cone Calorimeter data
Expandable graphite
Fire protection properties
Heat Release Rate (HRR)
Hybrid composite laminate
Limited oxygen index
Protection performance
Vertical burning tests
Fire protection
Resursåtervinning
Resource Recovery

Biuppslag (personer, institutioner, konferenser, titlar ...)

Khalili, PooriaHögskolan i Borås,Akademin för textil, teknik och ekonomi,Swedish Centre for Resource Recovery(Swepub:hb)pokh (författare)
Zhu, C.Faculty of Science and Engineering, University of Nottingham Ningbo China, Ningbo 315100, China (författare)
Li, S.Faculty of Science and Engineering, University of Nottingham Ningbo China, Ningbo 315100, China (författare)
Li, J.National Engineering Technology Research Centre of Flame Retardant Material, School of Materials, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing 100081, China (författare)
Rudd, C.James Cook University, Singapore 387380, Singapore (författare)
Liu, X.Faculty of Science and Engineering, University of Nottingham Ningbo China, Ningbo 315100, China (författare)
Faculty of Science and Engineering, University of Nottingham Ningbo China, Ningbo 315100, ChinaAkademin för textil, teknik och ekonomi (creator_code:org_t)

Sammanhörande titlar

Ingår i:Polymers: MDPI AG13:5, s. 1-132073-4360

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Av författaren/redakt...: Cong, X.; Khalili, Pooria; Zhu, C.; Li, S.; Li, J.; Rudd, C.; visa fler...; Liu, X.; visa färre...

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