Foamed geopolymers for fire protection: Burn‐through testing and modeling

Bourbigot, Serge; Sarazin, Johan; Davy, Catherine A.; Fontaine, Gaelle

Type de document :

Article dans une revue scientifique: Article original

DOI :

10.1002/fam.3048

URL permanente :

http://hdl.handle.net/20.500.12210/60442

Titre :

Foamed geopolymers for fire protection: Burn‐through testing and modeling

Auteur(s) :

Bourbigot, Serge [Auteur correspondant]

Unité Matériaux et Transformations (UMET) - UMR 8207
Sarazin, Johan [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Davy, Catherine A. [Auteur]
Centrale Lille
Fontaine, Gaelle [Auteur]

174496|||Unité Matériaux et Transformations - UMR 8207 [UMET]

Titre de la revue :

FIRE AND MATERIALS

Nom court de la revue :

Fire and Materials

Éditeur :

Wiley

Date de publication :

2021-12-27

ISSN :

0308-0501

Mot(s)-clé(s) en anglais :

geopolymer
numerical simulation
modeling
fire protection
coating

Discipline(s) HAL :

Chimie/Matériaux
Chimie/Polymères

Résumé en anglais : [en]

Geopolymer (GP) foam as a fire protective coating was synthesized, deposited on a steel plate, hardened and evaluated using a burn-through test at a reduced scale. It was shown that the GP foam acts as an efficient fire ...
Lire la suite >Geopolymer (GP) foam as a fire protective coating was synthesized, deposited on a steel plate, hardened and evaluated using a burn-through test at a reduced scale. It was shown that the GP foam acts as an efficient fire barrier (with 250°C reduction compared to virgin steel evaluated in the same conditions). A numerical model using Comsol Multiphysics® (finite element code) was performed to simulate the fire behavior of the GP foam. It was based on the complete characterization of the GP foam to provide accurate input data for the model. The latter captures well the temperature rise, including the endothermal effect due to water vaporization. A parametric study of the porosity and the emissivity at the surface of the GP foam brings new insights to optimize the performance of the GP foam. It is shown that a porosity of 90% and an emissivity lower than 0.75 should provide the highest performance to GP foam. The fabrication of an optimized GP foam is feasible using a technology of low emissivity thin coating and by adjusting the synthesis of the GP foam to increase its porosity.Lire moins >

Langue :

Anglais

Comité de lecture :

Oui

Audience :

Internationale

Vulgarisation :

Non

Projet Européen :

MULTI-CONCEPTUAL DESIGN OF FIRE BARRIER: A SYSTEMIC APPROACH

Établissement(s) :

Université de Lille
CNRS
INRA
ENSCL

Collections :

Unité Matériaux et Transformations (UMET) - UMR 8207

Équipe(s) de recherche :

Ingénierie des Systèmes Polymères

Date de dépôt :

2022-02-28T10:03:21Z
2022-03-02T09:10:06Z

Fichiers

FAM 2021 - Geopolymer modeling (revised).pdf
Version finale acceptée pour publication (postprint)
Accès libre
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Numéro de version	Lien	Date de modification
2	20.500.12210/60442*	2022-03-02T09:00:11Z
1	20.500.12210/60442.1	2022-02-28T10:03:21Z

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