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【英文标准名称】:Fibre-reinforcedplastics-Methodsofproducingtestplates-Pultrusionmoulding
【原文标准名称】:纤维增强塑料.试验用板材的生产方法.拉挤压制件
【标准号】:BSISO1268-6-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-05-27
【实施或试行日期】:2002-05-27
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:模制工艺;拉挤制;方法;规范(验收);生产;玻璃纤维增强塑料;试验板;纤维增强的;叠层板材;试样制备;试样;塑料;人造树脂;纱
【英文主题词】:Artificialresins;Fibrereinforced;Glass-fibrereinforcedplastics;Laminates;Methods;Mouldingprocesses;Plastics;Production;Pultrusion;Specification(approval);Specimenpreparation;Testplate;Testspecimens;Yarn
【摘要】:TobereadinconjunctionwithBSISO1268-1:2001
【中国标准分类号】:G33
【国际标准分类号】:83_120;83_140_10
【页数】:10P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforDeterminingtheProtectivePerformanceofanArcProtectiveBlanketforElectricArcHazards
【原文标准名称】:防止电弧危害的电弧保护毯防护性能确定的标准试验方法
【标准号】:ASTMF2676-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F18.65
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:arcblast;arcflash;arcflashprotection;arcprotectiveblankets;arcrating;blanket;breakopenthresholdperformance;electricalarcprotection
【摘要】:Thistestmethoddeterminestheeffectivenessofarcprotectiveblanketsinsuprressingthecombinedeffectsofanarcflashandarcblast.Thearcexposureenergyisproducedfromcontrolledphase-to-groundarcfault.Theresultingarcflashandblastenergyareintentionallydirectedontothetestspecimentosimulateworstcaseconditions.Testresultswilldescribethemaximumarccurrentandproductofarccurrentandcyclesatwhichtestspecimensblocktheenergywithoutbreakopen,abilitytoself-extinguishafterflaming,afterflametimeandthedetectionofmechanicalattachmentfailuresduringtesting.Mechanicalattachmentfailureandafterflametimeareobtainedfromvisualobservationsandvideorecordingaftereacharcexposure.Thistestmethodmaintainsthearcprotectiveblanketinaverticalpositionanddoesnotinvolvemovementexceptthatresultingfromthearcexposure.Inthistestmethod,testspecimensareexposedatthreearccurrentlevelstodeterminethetestspecimenx2019;sperformance.Note28212;Inexperimentaltesting,someblanketsincreaseinprotection(invalueofkA*cyclestocausebreakopen)asthearccurrentincreasesandsomedecreaseasshowninFig.1.Thistestmethodisdesignedtorecognizethisbehaviorandtospecifytestingovertherangeofarccurrentlevelsincludinglowerlevelsof5kAor10kA,orboth.Thistestmethodspecifiesastandardsetofexposureconditions.Differentexposureconditionsmayproducedifferentresults.Note38212;Inadditiontothestandardsetofexposureconditions,itispermittedtotestusingotherconditionsrepresentativeoftheexpectedhazard,reportedallnon-standardtestconditionsthatareused.FIG.1ExampleofPerformanceTrendforDifferentBlankets1.1Thistestmethodisusedtoevaluatetheabilityofthearcprotectiveblanketstowithstandtheeffectsofarcflashandarcblastinaconfigurationinwhichtheblanketishungoranchorednearenergizedequipment.Specifically,thistestmethodisusedtodeterminethearcprotectiveblanketx2019;s(1)resistancetobreakopen,(2)mechanicalstrength,and(3)abilitytoself-extinguishflamesfollowingacontrolledarcexposure.1.2Thismethodisusedtodeterminetheperformanceofarcprotectiveblanketsintermsof:maximumarccurrentlevelexpressedinkAandBTP(BTP)expressedastheproductofarccurrentinkAandarcdurationinnumberofcyclestocausebreakopen(kA*cycles).Cyclesareonthebasisof60Hz.1.3Blankettestspecimensusedinthistestmethodaretestsizeblanketsof152x00B1;5cm(60x00B1;2in.)by122x00B1;5cm(48x00B1;2in.).Thetestspecimensizeisfortestingpurposesonly.Commerciallyavailablearcprotectiveblanketseitherlargerorsmallerthanthetestspecimensizearecoveredbythisstandard.1.4Thearcprotectiveblanketsdescribedinthistestmethodaremadeofflame-resistantmaterialsandareavailableinvaryingsizesandconfigurationsbasedontheapplication.1.5Thistestmethodshallbeusedtomeasureanddescribethepropertiesofmaterials,products,orassembliesinresponsetoincidentthermal(convectiveandradiant)andpressureenergiesgeneratedbyanelectricarcundercontrolledlaboratoryconditions.1......
【中国标准分类号】:C73
【国际标准分类号】:13_340_99
【页数】:7P.;A4
【正文语种】:英语