ASTM D7264/D7264M-2007 聚合物基复合材料弯曲性能标准试验方法
作者:标准资料网 时间:2024-05-12 03:48:55 浏览:8157
来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforFlexuralPropertiesofPolymerMatrixCompositeMaterials
【原文标准名称】:聚合物基复合材料弯曲性能标准试验方法
【标准号】:ASTMD7264/D7264M-2007
【标准状态】:现行
【国别】:美国
【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】:D30.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:fiber-reinforcedcomposites;flexuralproperties;stiffness;strength
【摘要】:Thistestmethoddeterminestheflexuralproperties(includingstrength,stiffness,andload/deflectionbehavior)ofpolymermatrixcompositematerialsundertheconditionsdefined.ProcedureAisusedforthree-pointloadingandProcedureBisusedforfour-pointloading.Thistestmethodwasdevelopedforoptimumusewithcontinuous-fiber-reinforcedpolymermatrixcompositesanddiffersinseveralrespectsfromotherflexuremethods,includingtheuseofastandardspan-to-thicknessratioof32:1versusthe16:1ratiousedbyTestMethodsD790(aplastics-focusedmethodcoveringthree-pointflexure)andD6272(aplastics-focusedmethodcoveringfour-pointflexure).Thistestmethodisintendedtointerrogatelong-beamstrengthincontrasttotheshort-beamstrengthevaluatedbyTestMethodD2344/D2344M.Flexuralpropertiesdeterminedbytheseprocedurescanbeusedforqualitycontrolandspecificationpurposes,andmayfinddesignapplications.Theseprocedurescanbeusefulintheevaluationofmultipleenvironmentalconditionstodeterminewhicharedesigndriversandmayrequirefurthertesting.Theseproceduresmayalsobeusedtodetermineflexuralpropertiesofstructures.1.1Thistestmethoddeterminestheflexuralstiffnessandstrengthpropertiesofpolymermatrixcomposites.1.1.1ProcedureA8212;Athree-pointloadingsystemutilizingcenterloadingonasimplysupportedbeam.1.1.2ProcedureB8212;Afour-pointloadingsystemutilizingtwoloadpointsequallyspacedfromtheiradjacentsupportpoints,withadistancebetweenloadpointsofone-halfofthesupportspan.Note18212;UnlikeTestMethodD6272,whichallowsloadingatbothone-thirdandone-halfofthesupportspan,inordertostandardizegeometryandsimplifycalculationsthisstandardpermitsloadingatonlyone-halfthesupportspan.1.2Forcomparisonpurposes,testsmaybeconductedaccordingtoeithertestprocedure,providedthatthesameprocedureisusedforalltests,sincethetwoproceduresgenerallygiveslightlydifferentpropertyvalues.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetext,theinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:83_120
【页数】:11P.;A4
【正文语种】:英语
【原文标准名称】:聚合物基复合材料弯曲性能标准试验方法
【标准号】:ASTMD7264/D7264M-2007
【标准状态】:现行
【国别】:美国
【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】:D30.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:fiber-reinforcedcomposites;flexuralproperties;stiffness;strength
【摘要】:Thistestmethoddeterminestheflexuralproperties(includingstrength,stiffness,andload/deflectionbehavior)ofpolymermatrixcompositematerialsundertheconditionsdefined.ProcedureAisusedforthree-pointloadingandProcedureBisusedforfour-pointloading.Thistestmethodwasdevelopedforoptimumusewithcontinuous-fiber-reinforcedpolymermatrixcompositesanddiffersinseveralrespectsfromotherflexuremethods,includingtheuseofastandardspan-to-thicknessratioof32:1versusthe16:1ratiousedbyTestMethodsD790(aplastics-focusedmethodcoveringthree-pointflexure)andD6272(aplastics-focusedmethodcoveringfour-pointflexure).Thistestmethodisintendedtointerrogatelong-beamstrengthincontrasttotheshort-beamstrengthevaluatedbyTestMethodD2344/D2344M.Flexuralpropertiesdeterminedbytheseprocedurescanbeusedforqualitycontrolandspecificationpurposes,andmayfinddesignapplications.Theseprocedurescanbeusefulintheevaluationofmultipleenvironmentalconditionstodeterminewhicharedesigndriversandmayrequirefurthertesting.Theseproceduresmayalsobeusedtodetermineflexuralpropertiesofstructures.1.1Thistestmethoddeterminestheflexuralstiffnessandstrengthpropertiesofpolymermatrixcomposites.1.1.1ProcedureA8212;Athree-pointloadingsystemutilizingcenterloadingonasimplysupportedbeam.1.1.2ProcedureB8212;Afour-pointloadingsystemutilizingtwoloadpointsequallyspacedfromtheiradjacentsupportpoints,withadistancebetweenloadpointsofone-halfofthesupportspan.Note18212;UnlikeTestMethodD6272,whichallowsloadingatbothone-thirdandone-halfofthesupportspan,inordertostandardizegeometryandsimplifycalculationsthisstandardpermitsloadingatonlyone-halfthesupportspan.1.2Forcomparisonpurposes,testsmaybeconductedaccordingtoeithertestprocedure,providedthatthesameprocedureisusedforalltests,sincethetwoproceduresgenerallygiveslightlydifferentpropertyvalues.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetext,theinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:83_120
【页数】:11P.;A4
【正文语种】:英语
下载地址: 点击此处下载
