基本信息
| 标准名称： | 电子转换模块 数字矢量发生器详细规范 |
| 中标分类： |
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| ICS分类： |
造船和海上建筑物 >>
船舶和海上建筑物综合 >>
船用电气设备
|
| 发布日期： | 1993-08-27 |
| 实施日期： | 1994-03-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 31页 |
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所属分类： 造船和海上建筑物 船舶和海上建筑物综合 船用电气设备
【英文标准名称】:StandardTestMethodsforMeasurementofSyntheticPolymerMaterialFlammabilityUsingaFirePropagationApparatus(FPA)
【原文标准名称】:用火焰蔓延仪(FPA)测量合成聚合物材料易燃性的标准试验方法
【标准号】:ASTME2058-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:E05.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:仪器;特性;燃烧;有效的;火灾;火焰蔓延;防火安全;燃烧试验;易燃性;燃烧热;聚合材料;蔓延;安全;纺织纤维;向上
【英文主题词】:effectiveheatofcombustion;firepropagationapparatus;flammabilitycharacteristics;upwardfirepropagation
【摘要】:Thesetestmethodsareanintegralpartofexistingteststandardsforcablefirepropagationandcleanroommaterialflammability,aswellas,inanapprovalstandardforconveyorbelting(1-3).3Refs(1-3)usethesetestmethodsbecausefire-test-responseresultsobtainedfromthetestmethodscorrelatewithfirebehaviorduringreal-scalefirepropagationtests,asdiscussedinX1.4TheIgnition,Combustion,orFirePropagationtestmethod,oracombinationthereof,havebeenperformedwithmaterialsandproductscontainingawiderangeofpolymercompositionsandstructures,asdescribedinX1.7.TheFirePropagationtestmethodisdifferentfromthetestmethodsintheASTMstandardslistedin2.1byvirtueofproducinglaboratorymeasurementsofthechemicalheatreleaserateduringupwardfirepropagationandburningonaverticaltestspecimeninnormalair,oxygen-enrichedair,orinoxygen-vitiatedair.Testmethodsfromotherstandards,forexample,TestMethodE1321,whichyieldsmeasurementsduringlateral/horizontalordownwardflamespreadonmaterialsandTestMethodsE906,E1354,andE1623,whichyieldmeasurementsoftherateofheatreleasefrommaterialsfullyinvolvedinflamingcombustion,generallyuseanexternalradiantflux,ratherthantheflamesfromtheburningmaterialitself,tocharacterizefirebehavior.Thesetestmethodsarenotintendedtoberoutinequalitycontroltests.Theyareintendedforevaluationofspecificflammabilitycharacteristicsofmaterials.Materialstobeanalyzedconsistofspecimensfromanend-useproductorthevariouscomponentsusedintheend-useproduct.Resultsfromthelaboratoryproceduresprovideinputtofirepropagationandfiregrowthmodels,riskanalysisstudies,buildingandproductdesigns,andmaterialsresearchanddevelopment.1.1Thisfire-test-responsestandarddeterminesandquantifiessyntheticpolymermaterialflammabilitycharacteristics,relatedtothepropensityofmaterialstosupportfirepropagation,bymeansofafirepropagationapparatus(FPA).Materialflammabilitycharacteristicsthatarequantifiedincludetimetoignition(tign),chemical(Qchem),andconvective(Qc)heatreleaserates,masslossrate(m)andeffectiveheatofcombustion(EHC).1.2Thefollowingtestmethods,capableofbeingperformedseparatelyandindependently,areincludedherein:1.2.1IgnitionTesttodeterminetignforahorizontalspecimen;1.2.2CombustionTesttodetermineQchem,Qc,m,andEHCfromburningofahorizontalspecimen;and,1.2.3FirePropagationTesttodetermineQchemfromburningofaverticalspecimen.1.3DistinguishingfeaturesoftheFPAincludetungsten-quartzexternal,isolatedheaterstoprovidearadiantfluxofupto65kW/m2tothetestspecimen,whichremainsconstantwhetherthesurfaceregressesorexpands;provisionforcombustionorupwardfirepropagationinprescribedflowsofnormalair,airenrichedwithupto40%oxygen,airoxygenvitiated,purenitrogenormixturesofgaseoussuppressionagentswiththeprecedingairmixtures;and,thecapabilityofmeasuringheatreleaseratesandexhaustproductflowsgeneratedduringupwardfirepropagationonaverticaltestspecimen0.305mhigh.1.4TheFPAisusedtoevaluatetheflammabilityofsyntheticpolymermaterialsandproducts.Itisalsodesignedtoobtainthetransientresponseofsuchmateri......
【中国标准分类号】:G31;C80
【国际标准分类号】:13_220_40;59_060_20;13_220_40;59_060_20
【页数】:31P.;A4
【正文语种】: