ASTM D6415/D6415M-2006ae1 测量纤维增强聚合物母体复合材料弧形束强度的试验方法
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【英文标准名称】:StandardTestMethodforMeasuringtheCurvedBeamStrengthofaFiber-ReinforcedPolymer-MatrixComposite
【原文标准名称】:测量纤维增强聚合物母体复合材料弧形束强度的试验方法
【标准号】:ASTMD6415/D6415M-2006ae1
【标准状态】:现行
【国别】:美国
【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】:D30.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compositematerials;curvedbeam;curvedbeamstrength;interlaminartensilestrength;out-of-planetension;through-the-thicknessstrength
【摘要】:Out-of-planestressanalysesarenoteasilyperformed.Failurecriteriaarevariedandpoorlyvalidated.Interlaminarallowablesarenotreadilyavailable.However,stressanalystsroutinelyencounterstructuraldetailsinwhichtheycannotignoretheout-of-planeloads.Thistestmethodisdesignedtoproduceout-of-planestructuralfailuredataforstructuraldesignandanalysis,qualityassurance,andresearchanddevelopment.Forunidirectionalspecimens,thistestmethodisdesignedtoproduceinterlaminartensilestrengthdata.Factorsthatinfluencethecurvedbeamstrengthandshouldthereforebereportedincludethefollowing:material,methodsofmaterialpreparation,methodsofprocessingandspecimenfabrication,specimenpreparation,specimenconditioning,environmentoftesting,speedoftesting,timeattemperature,voidcontent,andvolumepercentreinforcement.1.1Thistestmethoddeterminesthecurvedbeamstrengthofacontinuousfiber-reinforcedcompositematerialusinga90curvedbeamspecimen(Fig.1andFig.2).Thecurvedbeamconsistsoftwostraightlegsconnectedbya90bendwitha6.4-mm[0.25in.]innerradius.Anout-of-plane(through-the-thickness)tensilestressisproducedinthecurvedregionofthespecimenwhenforceisapplied.Thistestmethodislimitedtousewithcompositesconsistingoflayersoffabricorlayersofunidirectionalfibers.1.2Thistestmethodmayalsobeusedtomeasuretheinterlaminartensilestrengthifaunidirectionalspecimenisusedwherethefibersruncontinuouslyalongthelegsandaroundthebend.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetexttheinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.
【中国标准分类号】:G31
【国际标准分类号】:83_120
【页数】:10P.;A4
【正文语种】:英语
【原文标准名称】:测量纤维增强聚合物母体复合材料弧形束强度的试验方法
【标准号】:ASTMD6415/D6415M-2006ae1
【标准状态】:现行
【国别】:美国
【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】:D30.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compositematerials;curvedbeam;curvedbeamstrength;interlaminartensilestrength;out-of-planetension;through-the-thicknessstrength
【摘要】:Out-of-planestressanalysesarenoteasilyperformed.Failurecriteriaarevariedandpoorlyvalidated.Interlaminarallowablesarenotreadilyavailable.However,stressanalystsroutinelyencounterstructuraldetailsinwhichtheycannotignoretheout-of-planeloads.Thistestmethodisdesignedtoproduceout-of-planestructuralfailuredataforstructuraldesignandanalysis,qualityassurance,andresearchanddevelopment.Forunidirectionalspecimens,thistestmethodisdesignedtoproduceinterlaminartensilestrengthdata.Factorsthatinfluencethecurvedbeamstrengthandshouldthereforebereportedincludethefollowing:material,methodsofmaterialpreparation,methodsofprocessingandspecimenfabrication,specimenpreparation,specimenconditioning,environmentoftesting,speedoftesting,timeattemperature,voidcontent,andvolumepercentreinforcement.1.1Thistestmethoddeterminesthecurvedbeamstrengthofacontinuousfiber-reinforcedcompositematerialusinga90curvedbeamspecimen(Fig.1andFig.2).Thecurvedbeamconsistsoftwostraightlegsconnectedbya90bendwitha6.4-mm[0.25in.]innerradius.Anout-of-plane(through-the-thickness)tensilestressisproducedinthecurvedregionofthespecimenwhenforceisapplied.Thistestmethodislimitedtousewithcompositesconsistingoflayersoffabricorlayersofunidirectionalfibers.1.2Thistestmethodmayalsobeusedtomeasuretheinterlaminartensilestrengthifaunidirectionalspecimenisusedwherethefibersruncontinuouslyalongthelegsandaroundthebend.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetexttheinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.
【中国标准分类号】:G31
【国际标准分类号】:83_120
【页数】:10P.;A4
【正文语种】:英语
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