【英文标准名称】:StandardTestMethodsforConstituentContentofCompositeMaterials
【原文标准名称】:用基质溶解法测定树脂基质混合物中纤维含量的标准试验方法
【标准号】:ASTMD3171-2006
【标准状态】:现行
【国别】:
【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】:D30.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;复合材料;含量测定;纤维;叠层板材;材料;模型;树脂;航天技术;试验
【英文主题词】:compositematerials;fibercontent;matrixcontent;reinforcementcontent;resincontent;voidvolume
【摘要】:Aconstituentcontentofacompositematerialmustbeknowninordertoanalyticallymodelthematerialproperties(mechanical,physical,thermal,orelectrical)ofthecompositewhichareaffectedbythereinforcementormatrix.Also,knowledgeoftheconstituentcontentisrequiredforevaluationofthequalityofafabricatedmaterialandtheprocessesusedduringfabrication.Thevoidvolumeofacompositematerialmaysignificantlyaffectsomeofitsmechanicalproperties.Highervoidvolumesusuallymeanlowerfatigueresistance,greatersusceptibilitytomoisturepenetrationandweathering,andincreasedvariationorscatterinstrengthproperties.Knowledgeofthevoidvolumeofacompositematerialisdesirableasanindicationofthequalityofacomposite.Reinforcementcontentmaybeusedtonormalizemechanicalpropertiesaffectedbyamountofreinforcementinthecoupon.DESIG:D317106^TITLE:StandardTestMethodsforConstituentContentofCompositeMaterials^SCOPE:1.Scope1.1Thesetestmethodsdeterminetheconstituentcontentofcompositematerialsbyoneoftwoapproaches.MethodIphysicallyremovesthematrixbydigestionorignitionbyoneofsevenprocedures,leavingthereinforcementessentiallyunaffectedandthusallowingcalculationofreinforcementormatrixcontent(byweightorvolume)aswellaspercentvoidvolume.MethodII,applicableonlytolaminatematerialsofknownfiberarealweight,calculatesreinforcementormatrixcontent(byweightorvolume),andthecuredplythickness,basedonthemeasuredthicknessofthelaminate.MethodIIisnotapplicabletothemeasurementofvoidvolume.1.1.1Thesetestmethodsareprimarilyintendedfortwo-partcompositematerialsystems.However,specialprovisionscanbemadetoextendthesetestmethodstofilledmaterialsystemswithmorethantwoconstituents,thoughnotalltestresultscanbedeterminedineverycase.1.1.2Theprocedurescontainedwithinhavebeendesignedtobeparticularlyeffectiveforcertainclassesofpolymerormetalmatrices.ThesuggestedapplicationsarediscussedinSection,aswellasatthestartofeachprocedure.1.1.3MethodIassumesthatthereinforcementisessentiallyunaffectedbythedigestionorignitionmedium.Aprocedureforcorrectionoftheresultsforminorchangesinthereinforcementisincluded.ProceduresAthroughFarebasedonchemicalremovalofthematrixwhileProcedureGremovesthematrixbyignitingthematrixinafurnace.1.1.4MethodIIassumesthatthefiberarealweightofthereinforcementmaterialformisknownorcontrolledtoanacceptabletolerance.Thepresenceofvoidsisnotmeasured.Eqn.1assumezerovoidcontenttoperformthecalculation.1.2TheSIunitsshownareconsideredstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeSectionforadditionalinformation.
【中国标准分类号】:G31
【国际标准分类号】:83_140_20
【页数】:10P.;A4
【正文语种】:


【英文标准名称】:Aerospaceseries-Connectors,single-waywithtriaxialinterface,fortransmissionofdigitaldata-Part002:Conditionsofuseandlistofproductstandards;GermanandEnglishversionEN3716-002:2006
【原文标准名称】:航空航天系列.数字数据传输用带三维接口的单路连接器.第002部分:使用条件和产品标准清单
【标准号】:DINEN3716-002-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-07
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;航空器部件;应用;数据传送;数据传输设备;设计;数字连接件;数字数据;电连接器;电插头;电气工程;设备;紧固件;清单;材料;多语种的;插头;产品标准;特性;单路连接器;航天运输
【英文主题词】:
【摘要】:Thisstandardspecifiestheconditionsofusecommontosingle-wayconnectomwithtriaxialinterfacefortransmissionofdigitaldataaccordingtoEN3716—001andgivestheIistofproductstandards．
【中国标准分类号】:V25
【国际标准分类号】:49_060
【页数】:45P;A4
【正文语种】:多种语言