【英文标准名称】:Plastics-Determinationofdynamicmechanicalproperties-Tensilevibration-Sonic-pulsepropagationmethod
【原文标准名称】:塑料.动态机械性能的测定.拉伸振动.声脉冲传播法
【标准号】:BSISO6721-9-1997+A1-2007
【标准状态】:现行
【国别】:英国
【发布日期】:1997-08-15
【实施或试行日期】:1997-08-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;测定;动态试验;机械性能;塑料;高聚物;声学检验;声音传播;测试;振动
【英文主题词】:Definition;Definitions;Determination;Dynamictesting;Mechanicalproperties;Plastics;Polymers;Sonictesting;Soundpropagation;Testing;Vibration
【摘要】:ThispartofISO6721describesapulsepropagationmethodfordetermin-ingthestoragecomponentofthecomplextensilemodulusEofpolymersatdiscretefrequenciestypicallyintherange3kHzto10kHz.Themethodissuitableformeasuringmaterialswithstoragemoduliintherange0,01GPato200GPaandwithlossfactorsbelow0,1ataround10kHz.Withmaterialshavingahigherloss,significanterrorsinvelocitymeasurementareintroducedthroughdecayofamplitude.Themethodallowsmeasurementstobemadeonthinfilmsorfinefibresandlongspecimens,typicallytapesof300mm×5mm×0,1mmorfibresof300mm×0,1mm(diameter).Thismethodmaynotbesuitableforcellularplastics,compositeplasticsandmultilayerproducts.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:12P.;A4
【正文语种】:英语