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【英文标准名称】:Plastics-DeterminationofCharpyimpactproperties-Part1:Non-instrumentedimpacttest
【原文标准名称】:塑料.摆式冲击性能的测定.第1部分:非机械冲击试验
【标准号】:ISO179-1-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:脆性;却贝(摆式冲击试验);摆式冲击试验;复合材料;定义;测定;抗冲击(强度);冲击强度;冲击值;解释;材料;材料试验;数学计算;塑料;高聚物;性能;样本制备;试验设备;试验报告;试样;热塑性聚合物;热固性聚合物;韧性
【英文主题词】:Brittleness;Charpy;Charpyimpacttests;Compositematerials;Definitions;Determination;Impactresistance;Impactstrength;Impactvalue;Interpretations;Materials;Materialstesting;Mathematicalcalculations;Plastics;Polymers;Properties;Samplepreparation;Testequipment;Testreports;Testspecimens;Testing;Thermoplasticpolymers;Thermosettingpolymers;Toughness
【摘要】:1.1ThispartofISO179specifiesamethodfordeterminingtheCharpyimpactstrengthofplasticsunderdefinedconditions.Anumberofdifferenttypesofspecimenandtestconfigurationsaredefined.Differenttestparametersarespecifiedaccordingtothetypeofmaterial,thetypeoftestspecimenandthetypeofnotch.1.2Themethodcanbeusedtoinvestigatethebehaviourofspecifiedtypesofspecimenundertheimpactconditionsdefinedandforestimatingthebrittlenessortoughnessofspecimenswithinthelimitationsinherentinthetestconditions.Itcanalsobeusedforthedeterminationofcomparativedatafromsimilartypesofmaterial.1.3ThemethodhasagreaterrangeofapplicabilitythanthatgiveninISO180[1]andismoresuitableforthetestingofmaterialsshowinginterlaminarshearfractureorofmaterialsexhibitingsurfaceeffectsduetoenvironmentalfactors.1.4Themethodissuitableforusewiththefollowingrangeofmaterials:??rigidthermoplasticmouldingandextrusionmaterials(includingfilledandreinforcedcompoundsinadditiontounfilledtypes)andrigidthermoplasticssheets;?rigidthermosettingmouldingmaterials(includingfilledandreinforcedcompounds)andrigidthermosettingsheets(includinglaminates);?fibre-reinforcedthermosettingandthermoplasticcompositesincorporatingunidirectionalormultidirectionalreinforcements(suchasmats,wovenfabrics,wovenrovings,choppedstrands,combinationandhybridreinforcements,rovingsandmilledfibres)orincorporatingsheetsmadefrompre-impregnatedmaterials(prepregs),includingfilledandreinforcedcompounds;?thermotropicliquid-crystalpolymers.1.5Notchedsamplesarenotnormallysuitableforusewithrigidcellularmaterials,long-fibre-reinforcedcompositesorthermotropicliquid-crystalpolymers.Inthesecases,unnotchedsamplesmaybeused.1.6Themethodissuitedtotheuseofspecimensmouldedtothechosendimensions,machinedfromthecentralportionofastandardmultipurposetestspecimen(seeISO3167)ormachinedfromfinishedorsemifinishedproductssuchasmouldings,laminatesandextrudedorcastsheet.1.7Themethodspecifiespreferreddimensionsforthetestspecimen.Testswhicharecarriedoutonspecimensofdifferentdimensionsorwithdifferentnotches,orspecimenswhicharepreparedunderdifferentconditions,mightproduceresultswhicharenotcomparable.Otherfactors,suchastheenergycapacityoftheapparatus,theimpactvelocityandtheconditioningofthespecimenscanalsoinfluencetheresults.Consequently,whencomparativedataarerequired,thesefactorsmustbecarefullycontrolledandrecorded.1.8Themethodshouldnotbeusedasasourceofdatafordesigncalculations.Informationonthetypicalbehaviourofamaterialcanbeobtained,however,bytestingatdifferenttemperatures,byvaryingthenotchradiusand/orthespecimenthicknessandbytestingspecimenspreparedunderdifferentconditions.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:28P.;A4
【正文语种】:英语