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1、ArticleJournalofFireSciencesGlobalmodellingoffire31(1)51–72ÓTheAuthor(s)2012protectionperformanceofanReprintsandpermissions:sagepub.co.uk/journalsPermissions.navintumescentcoatingunderDOI:10.1177/0734904112453566jfs.sagepub.comdifferentfurnacefireconditions111YongZhang,YongCWang,ColinGBai
2、leyand2AndrewPTaylorDatereceived:28March2012;accepted:12June2012AbstractThisarticlepresentsamethodtomodeltheoverallfireprotectionperformanceofanintu-mescentcoatingunderdifferentpost-flashoverfurnacefireconditions.Intumescentcoatingsarereactivefireprotectionmaterials,andtheirfireprotection
3、performance,amongwhichthemaximumexpansionratioisthekeyindicator,dependsontheheatingcondition.Theaimofthisresearchistofindonecommonsetofpropertiestoenabletheintumescentcoatingfireprotectionperformancetobepredictedacrossdifferentheatingconditionsontheintu-mescentcoating.Theobtainedpropertie
4、sareimplementedinamodeltopredicttheglobalexpansionprocessofintumescentcoatingandtheprotectedsteelsubstratetemperatureundervariousfurnacetemperature–timecurves.Thismodelhaspreviouslybeendemon-stratedbytheauthorstoprovideaccurateresultsforconecalorimetertestsunderdifferent22levelsofradianth
5、eatflux(50and65kWm)andwithdifferentcombinationsofsteelplatethickness(5,10and20mm)andintumescentcoatingdryfilmthickness(0.4,0.8and1.2mm).Thisarticlewillpresenttheexperimentalresultsofpost-flashoverfurnacefiretestsunderdifferentfiretemperature–timerelationships(slow,fastandstandard)forthesa
6、mecombinationsofsteelplatethicknessanddryfilmthicknessasusedintheconecalorimetertests.Acomparisonbetweenthepredictionandexperimentalresultsindicatesthatthesteelplatetemperatureresultsaretypicallywithin10%andthefinalexpandedthicknesswithin20%ofeachother.1SchoolofMechanical,AerospaceandCivi
7、lEngineering,UniversityofManchester,Manchester,UK2LeighsPaints,Bolton,UKCorrespondingauthor:YongCWang,SchoolofMechanical,AerospaceandCivilEngineering,UniversityofManchester,ManchesterM139PL,UK.Email:yong.wang@manchester.ac.ukDownloadedfromjfs.sagepub.comatYeungnamUn
