EN 12654-2-1998 纺织玻璃纤维.纱线.第2部分:试验方法和一般要求
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【英文标准名称】:Textileglass-Yarns-Part2:Methodsoftestandgeneralspecifications;GermanversionEN12654-2:1998
【原文标准名称】:纺织玻璃纤维.纱线.第2部分:试验方法和一般要求
【标准号】:EN12654-2-1998
【标准状态】:现行
【国别】:
【发布日期】:1998-12
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:纱;塑料;缺陷;特性;交货条件;验收规范;规范(验收);试验;包装件;长丝纱;储存;缺陷与故障;增强材料;随机试样;合成纤维;物理性能;外观;粗纱;纺织玻璃纤维;计数检查
【英文主题词】:Acceptancespecification;Appearance;Defects;Deliveryconditions;Filamentyarns;Inspectionbyattributes;Packages;Physicalproperties;Plastics;Properties;Randomsamples;Reinforcingmaterial;Rovings;Specification(approval);Storage;Syntheticfibres;Testing;Textileglass;Yarn
【摘要】:
【中国标准分类号】:Q36
【国际标准分类号】:59_100_10
【页数】:9P.;A4
【正文语种】:英语
【英文标准名称】:Safetyofhouseholdandsimilarelectricalappliances-Part2-3:Particularrequirementsforelectricirons;Amendment1
【原文标准名称】:家用和类似用电器的安全.第2-3部分:电熨斗的特殊要求.补充件1
【标准号】:IEC60335-2-3AMD1-1999
【标准状态】:作废
【国别】:国际
【发布日期】:1999-05
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:安全要求;电气工程;家用电器;家用设备;电气器具;熨斗
【英文主题词】:electricalhouseholdappliances;electricalengineering;electricappliances;safetyrequirements;householdequipment;irons
【摘要】:
【中国标准分类号】:Y63
【国际标准分类号】:97_060
【页数】:2P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforTranslaminarFractureToughnessofLaminatedandPultrudedPolymerMatrixCompositeMaterials
【原文标准名称】:叠层和挤拉制聚合物基质合成材料横断面断裂韧性的标准试验方法
【标准号】:ASTME1922-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:E08.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:韧性;分层的;断裂韧性;聚合材料;高聚物;试验方法
【英文主题词】:translaminarfracturtoughness;laminatedpolymer;pultrudedpolymer;matrixcomposite
【摘要】:TheparameterKTLdeterminedbythistestmethodisameasureoftheresistanceofapolymermatrixcompositelaminatetonotch-tipdamageandeffectivetranslaminarcrackgrowthunderopeningmodeloading.Theresultisvalidonlyforconditionsinwhichthedamagezoneatthenotchtipissmallcomparedwiththenotchlengthandthein-planespecimendimensions.Thistestmethodcanservethefollowingpurposes.Inresearchanddevelopment,KTLdatacanquantitativelyestablishtheeffectsoffiberandmatrixvariablesandstackingsequenceofthelaminateonthetranslaminarfractureresistanceofcompositelaminates.Inacceptanceandqualitycontrolspecifications,KTLdatacanbeusedtoestablishcriteriaformaterialprocessingandcomponentinspection.Thetranslaminarfracturetoughness,KTL,determinedbythistestmethodmaybeafunctionofthetestingspeedandtemperature.Thistestmethodisintendedforroomtemperatureandquasi-staticconditions,butitcanapplytoothertestconditionsprovidedthattherequirementsof9.2and9.3aremet.ApplicationofKTLinthedesignofservicecomponentsshouldbemadewithawarenessthatthetestparametersspecifiedbythistestmaydifferfromserviceconditions,possiblyresultinginadifferentmaterialresponsethanthatseeninservice.Notalltypesoflaminatedpolymermatrixcompositematerialsexperiencethecontainednotch-tipdamageandeffectivetranslaminarcrackgrowthofconcerninthistestmethod.Forexample,thenotch-tipdamagemaybemoreextensiveandmaynotbeaccompaniedbyanysignificantamountofeffectivetranslaminarcrackgrowth.Typically,lowerstrengthcompositematerialsandthosewithasignificantproportionofreinforcingfibersalignedinadirectionperpendiculartothenotchaxismaynotexperiencethecontainednotch-tipdamagerequiredforavalidtest.1.1Thistestmethodcoversthedeterminationoftranslaminarfracturetoughness,KTL,forlaminatedandpultrudedpolymermatrixcompositematerialsofvariousplyorientationsusingtestresultsfrommonotonicallyloadednotchedspecimens.1.2Thistestmethodisapplicabletoroomtemperaturelaboratoryairenvironments.1.3Compositematerialsthatcanbetestedbythistestmethodarenotlimitedbythicknessorbytypeofpolymermatrixorfiber,providedthatthespecimensizesandthetestresultsmeettherequirementsofthistestmethod.Thistestmethodwasdevelopedprimarilyfromtestresultsofvariouscarbonfiber-epoxymatrixlaminatesandfromadditionalresultsofglassfiber-epoxymatrix,glassfiber-polyestermatrixpultrusionsandcarbonfiber-bismaleimidematrixlaminates(1-4,6,7).1.4Arangeofeccentricallyloaded,single-edge-notchtension,ESE(T),specimensizeswithproportionalplanardimensionsisprovided,butplanarsizemaybevariableandadjusted,withassociatedchangesintheappliedtestload.Specimenthicknessisavariable,independentofplanarsize.1.5Specimenconfigurationsotherthanthosecontainedinthistestmethodmaybeused,providedthatstressintensitycalibrationsareavailableandthatthetestresultsmeettherequirementsofthistestmethod.Itisparticularlyimportantthattherequirementsdiscussedin5.1and5.4regardingcontainednotch-tipdamagebemetwhenusingalternativespecimenconfigurations.1.6ValuesstatedinSIunitsaretoberegardedasthestandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityo......
【中国标准分类号】:G31
【国际标准分类号】:83_140_20
【页数】:5P.;A4
【正文语种】: