【英文标准名称】:Plastics-DeterminationofIzodimpactstrength(ISO180:2000+Amd.1:2006);(includesAmendmentA1:2006)EnglishversionofDINENISO180:2007-04
【原文标准名称】:塑料.伊兆特(Izod)冲击强度测定
【标准号】:DINENISO180-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-04
【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】:脆性;复合材料;定义;测定;抗冲击(强度);冲击强度;仪器;伊兆特(Izod);伊兆特冲击试验;材料;材料试验;塑料;高聚物;试样制备;试验设备;试样;试验;热塑性聚合物;韧性
【英文主题词】:
【摘要】:1.1ThisInternationalStandardspecifiesamethodfordeterminingtheIzodimpactstrengthofplasticsunderdefinedconditions.Anumberofdifferenttypesofspecimenandtestconfigurationsaredefined.Differenttestparametersarespecifiedaccordingtothetypeofmaterial,thetypeoftestspecimenandthetypeofnotch.1.2Themethodisusedtoinvestigatethebehaviourofspecifiedtypesofspecimenundertheimpactconditionsdefinedandforestimatingthebrittlenessortoughnessofspecimenswithinthelimitationsinherentinthetestconditions.1.3Themethodissuitableforusewiththefollowingrangeofmaterials:—rigidthermoplasticmouldingandextrusionmaterials,includingfilledandreinforcedcompoundsinadditiontounfilledtypes;rigidthermoplasticssheets;—rigidthermosettingmouldingmaterials,includingfilledandreinforcedcompounds;rigidthermosettingsheets,Aincludinglaminates;—fibre-reinforcedthermosettingandthermoplasticcompositesincorporatingunidirectionalornon-unidirectionalreinforcementssuchasmat,wovenfabrics,wovenrovings,choppedstrands,combinationandhybridreinforcements,rovingsandmilledfibresandsheetmadefrompre-impregnatedmaterials(prepregs);—thermotropicliquid-crystalpolymers.1.4Themethodisnotnormallysuitableforusewithrigidcellularmaterialsandsandwichstructurescontainingcellularmaterial.Also,notchedspecimensarenotnormallyusedforlong-fibre-reinforcedcompositesorthermotropicliquid-crystalpolymers.1.5Themethodissuitedtotheuseofspecimenswhichmaybeeithermouldedtothechosendimensions,machinedfromthecentralportionofastandardmultipurposetestspecimen(seeISO3167)ormachinedfromfinishedorsemifinishedproductssuchasmouldings,laminatesandextrudedorcastsheet.1.6Themethodspecifiespreferreddimensionsforthetestspecimen.Testswhicharecarriedoutonspecimensofdifferentdimensionsorwithdifferentnotches,orspecimenswhicharepreparedunderdifferentconditions,mayproduceresultswhicharenotcomparable.Otherfactors,suchastheenergycapacityoftheapparatus,itsimpactvelocityandtheconditioningofthespecimenscanalsoinfluencetheresults.Consequently,whencomparativeQdataarerequired,thesefactorsmustbecarefullycontrolledandrecorded.1.7Themethodshouldnotbeusedasasourceofdatafordesigncalculations.Informationonthetypicalbehaviourofamaterialcanbeobtained,however,bytestingatdifferenttemperatures,byvaryingthenotchradiusand/orthethicknessandbytestingspecimenspreparedunderdifferentconditions.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:18P.;A4
【正文语种】:英语