【英文标准名称】:StandardTestMethodsforConstituentContentofCompositeMaterials
【原文标准名称】:复合材料成分含量用标准试验方法
【标准号】:ASTMD3171-2009
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:复合材料;纤维含量;矩阵含量;增强含量;树脂含量;实心体积:复合物-航空航天材料/设施;高模数纤维复合物-树脂矩阵;矩阵浸煮;树脂(复合物);实心体积
【英文主题词】:compositematerials;fibercontent;matrixcontent;reinforcementcontent;resincontent;voidvolume:Composites--aerospacematerials/applications;Fibercontent;Highmodulusfibrouscomposites--resin-matrix;Matrixdigestion;Resins(composite);Voi
【摘要】:Aconstituentcontentofacompositematerialmustbeknowninordertoanalyticallymodelthematerialproperties(mechanical,physical,thermal,orelectrical)ofthecompositewhichareaffectedbythereinforcementormatrix.Also,knowledgeoftheconstituentcontentisrequiredforevaluationofthequalityofafabricatedmaterialandtheprocessesusedduringfabrication.Thevoidvolumeofacompositematerialmaysignificantlyaffectsomeofitsmechanicalproperties.Highervoidvolumesusuallymeanlowerfatigueresistance,greatersusceptibilitytomoisturepenetrationandweathering,andincreasedvariationorscatterinstrengthproperties.Knowledgeofthevoidvolumeofacompositematerialisdesirableasanindicationofthequalityofacomposite.Reinforcementcontentmaybeusedtonormalizemechanicalpropertiesaffectedbyamountofreinforcementinthecoupon.1.1Thesetestmethodsdeterminetheconstituentcontentofcompositematerialsbyoneoftwoapproaches.MethodIphysicallyremovesthematrixbydigestionorignitionbyoneofsevenprocedures,leavingthereinforcementessentiallyunaffectedandthusallowingcalculationofreinforcementormatrixcontent(byweightorvolume)aswellaspercentvoidvolume.MethodII,applicableonlytolaminatematerialsofknownfiberarealweight,calculatesreinforcementormatrixcontent(byweightorvolume),andthecuredplythickness,basedonthemeasuredthicknessofthelaminate.MethodIIisnotapplicabletothemeasurementofvoidvolume.1.1.1Thesetestmethodsareprimarilyintendedfortwo-partcompositematerialsystems.However,specialprovisionscanbemadetoextendthesetestmethodstofilledmaterialsystemswithmorethantwoconstituents,thoughnotalltestresultscanbedeterminedineverycase.1.1.2Theprocedurescontainedwithinhavebeendesignedtobeparticularlyeffectiveforcertainclassesofpolymerormetalmatrices.ThesuggestedapplicationsarediscussedinSection4,aswellasatthestartofeachprocedure.1.1.3MethodIassumesthatthereinforcementisessentiallyunaffectedbythedigestionorignitionmedium.Aprocedureforcorrectionoftheresultsforminorchangesinthereinforcementisincluded.ProceduresAthroughFarebasedonchemicalremovalofthematrixwhileProcedureGremovesthematrixbyignitingthematrixinafurnace.1.1.4MethodIIassumesthatthefiberarealweightofthereinforcementmaterialformisknownorcontrolledtoanacceptabletolerance.Thepresenceofvoidsisnotmeasured.Eq9and10assumezerovoidcontenttoperformthecalculation.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeSection9foradditionalinformation.
【中国标准分类号】:G30
【国际标准分类号】:83_140_20
【页数】:10P.;A4
【正文语种】: