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Fire protection durability of intumescent coatings after Iaccelerated aging

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dc.contributor.authorThabet, Rida
dc.contributor.authorBenarous, Abdallah
dc.contributor.authorMesquita, L.M.R.
dc.date.accessioned2020-03-31T10:41:40Z
dc.date.available2020-03-31T10:41:40Z
dc.date.issued2018
dc.description.abstractThe most common method of achieve the required fire resistance of structures and struc-tural elements is using passive fire protection systems, being the intumescent coatings the fire protection material frequently used. This work presents a research study about the ef-fects of aging on the fire protection performance of intumescent coatings. A commercial water based coating is submitted to an accelerated aging cycle, using a QUV accelerated weathering tester. These tests aim to simulate 10 years of the coating natural aging accord-ing to the European technical approval guideline (ETAG N° 018). The coating durability is tested comparing the fire protection efficiency of small steel samples submitted to a con-stant radiant heat flux exposure from a cone calorimeter as prescribed by the standard ISO 5660. In total, 28 tests were performed on intumescent coating protected steel specimens, in which 14 specimens were tested before the hydrothermal aging test and other 14 after ac-celerated aging. The experimental test results of the steel temperature evolution shows that increasing the intumescent dry film thickness, an increase of the fire resistance time is at-tained. After the accelerated aging cycles, the coating lose their ability to expand, resulting in an increase of the steel temperature of approximately 200 ºC, compared to the samples without aging.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationThabet, R.; Benarous, A.; Mesquita, L.M.R. (2018). Fire protection durability of intumescent coatings after Iaccelerated aging. In The Fourth International Conference on Fracture Mechanics, "Trends on Fracture and Environment". Chlef, Algeriapt_PT
dc.identifier.urihttp://hdl.handle.net/10198/21265
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectFire protectionpt_PT
dc.subjectIntumescent coatingpt_PT
dc.subjectAccelerated agingpt_PT
dc.subjectFire resistancept_PT
dc.subjectDurabilitypt_PT
dc.titleFire protection durability of intumescent coatings after Iaccelerated agingpt_PT
dc.typeconference paper
dspace.entity.typePublication
oaire.citation.conferencePlaceChlef, Algeriapt_PT
oaire.citation.titleThe Fourth International Conference on Fracture Mechanics, "Trends on Fracture and Environment"pt_PT
person.familyNameMesquita
person.givenNameLuís M.R.
person.identifier1339117
person.identifier.ciencia-id401E-2FEC-8303
person.identifier.orcid0000-0002-2385-4282
person.identifier.ridF-2269-2010
person.identifier.scopus-author-id8585923500
rcaap.rightsrestrictedAccesspt_PT
rcaap.typeconferenceObjectpt_PT
relation.isAuthorOfPublication3d08baba-b032-42c4-8244-94672c4611a1
relation.isAuthorOfPublication.latestForDiscovery3d08baba-b032-42c4-8244-94672c4611a1

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