Bench-scale fire stability testing – Assessment of protective systems on carbon fibre reinforced polymer composites

Polymer Testing

Weronika Tabaka¹  Tobias Lauterbach¹  Sebastian Timme¹  Bernhard Schartel¹  Lilian Medina²  Lars A. Berglund²  Federico Carosio³  Sophie Duquesne⁴ 

[1] Bundesanstalt für Materialforschung und -prüfung (BAM), Unter den Eichen 87, 12205, Berlin, Germany;Department of Fibre and Polymer Technology, Wallenberg Wood Science Center, KTH Royal Institute of Technology, Teknikringen 56, 100 44, Stockholm, Sweden;Dipartimento di Scienza Applicata e Tecnologia, Politecnico di Torino, Alessandria Campus, Via Teresa Michel 5, 15121, Alessandria, Italy;University of Lille, CNRS, INRAE, Centrale Lille, UMR 8207 – UMET – Unité Matériaux et Transformations, F-59000, Lille, France;

关键词: Fire stability;    Bench-scale fire resistance testing;    Carbon fibre reinforced polymer;    Protective coatings;   

DOI  :  

来源: DOAJ

【 摘 要 】

Fire resistance testing of components made of carbon fibre reinforced polymers (CFRP) usually demands intermediate-scale or full-scale testing. A bench-scale test is presented as a practicable and efficient method to assess how different fire protective systems improve the structural integrity of CFRPs during fire. The direct flame of a fully developed fire was applied to one side of the CFRP specimen, which was simultaneously loaded with compressive force. Three different approaches (film, non-woven, and coatings) were applied: paper with a thickness in the range of μm consisting of cellulose nanofibre (CNF)/clay nanocomposite, nonwoven mats with thickness in the range of cm and intumescent coatings with a thickness in the range of mm. The uncoated specimen failed after just 17 s. Protection by these systems provides fire stability, as they multiply the time to failure by as much as up to 43 times. The reduced heating rates of the protected specimens demonstrate the reduced heat penetration, indicating the coatings’ excellent heat shielding properties. Bench-scale fire stability testing is shown to be suitable tool to identify, compare and assess different approaches to fire protection.

【 授权许可】

Unknown