ASTM C271/C271M-2011 夹层结构建筑物用芯材密度的试验方法

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【英文标准名称】:StandardTestMethodforDensityofSandwichCoreMaterials
【原文标准名称】:夹层结构建筑物用芯材密度的试验方法
【标准号】:ASTMC271/C271M-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【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】:D30.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:芯;密度;夹心;夹心芯材;三明治结构
【英文主题词】:core;density;sandwich;Sandwichcorematerials;Structuralsandwichconstructions
【摘要】:Densityisafundamentalphysicalpropertythatcanbeusedinconjunctionwithotherpropertiestocharacterizethesandwichcore.Mostsandwichcorestructuralproperties,suchasstrengthandstiffness,areproportionaltothedensity.Thistestmethodprovidesastandardmethodofobtainingsandwichcoredensitydatafordesignproperties,materialspecifications,researchanddevelopmentapplications,andqualityassurance.Factorsthatinfluencethedensityandshallthereforebereportedincludethefollowing:corematerial,methodsofmaterialfabrication,coregeometry(nominalcellsize),specimengeometry,specimenpreparation,methodsofweightanddimensionalmeasurement,specimenconditioning,andmoisturecontentduringweightanddimensionalmeasurements.1.1Thistestmethodcoversthedeterminationofthedensityofsandwichconstructioncorematerials.Permissiblecorematerialformsincludethosewithcontinuousbondingsurfaces(suchasbalsawoodandfoams)aswellasthosewithdiscontinuousbondingsurfaces(suchashoneycomb).1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.2.1Withinthetexttheinch-poundunitsareshowninbrackets.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:83_120
【页数】:4P.;A4
【正文语种】: