ASTM D7291/D7291M-2007 纤维增强聚合物基体复合材料的整厚平拉强度和弹性模数的标准试验方法

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【英文标准名称】:StandardTestMethodforThrough-Thickness"Flatwise"TensileStrengthandElasticModulusofaFiber-ReinforcedPolymerMatrixCompositeMaterial
【原文标准名称】:纤维增强聚合物基体复合材料的整厚平拉强度和弹性模数的标准试验方法
【标准号】:ASTMD7291/D7291M-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D30.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compositematerials;flatwisetensionstrength;interlaminartensilestrength;out-of-planetension;through-thicknessmodulusofelasticity;through-thicknessstrength
【摘要】:Thistestmethodisdesignedtoproducethrough-thicknessfailuredataforstructuraldesignandanalysis,qualityassurance,andresearchanddevelopment.Factorsthatinfluencethethrough-thicknesstensilestrength,andshouldthereforebereported,includethefollowing:materialandfabricreinforcement,methodsofmaterialandfabricpreparation,methodsofprocessingandspecimenfabrication,specimenstackingsequence,specimenconditioning,environmentoftesting,specimenalignment,speedoftesting,timeattemperature,voidcontent,andvolumereinforcementcontent.1.1Thistestmethoddeterminesthethrough-thickness"flatwise"tensionstrengthandelasticmodulusoffiberreinforcedpolymermatrixcompositematerials.Atensileforceisappliednormaltotheplaneofthecompositelaminateusingadhesivelybondedthickmetalend-tabs.Thecompositematerialformsarelimitedtocontinuous-fiberordiscontinuousfiber(tapeor2-dimensionalfabric,orboth)reinforcedcomposites.1.2Thethrough-thicknessstrengthresultsusingthistestmethodwillingeneralnotbecomparabletoTestMethodD6415sincethismethodsubjectsarelativelylargevolumeofmaterialtoanalmostuniformstressfieldwhileTestMethodD6415subjectsasmallvolumeofmaterialtoanon-uniformstressfield.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetext,theinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.
【中国标准分类号】:
【国际标准分类号】:83_120
【页数】:10P.;A4
【正文语种】: