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【英文标准名称】:Plastics-Determinationofdynamicmechanicalproperties-Part2:Torsion-pendulummethod
【原文标准名称】:塑料.动态机械性能的测定.第2部分:扭摆法
【标准号】:ISO6721-2-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-06
【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】:变形;测定;动态的;材料测试;数学计算;机械性能;方法;塑料;性能;刚性;刚度;剪切模量;应变;温度范围;试样;测试;扭摆试验;扭摆;扭转试验;抗扭刚度;Visco弹性
【英文主题词】:Deformation;Determination;Dynamic;Materialstesting;Mathematicalcalculations;Mechanicalproperties;Methods;Plastics;Properties;Rigid;Rigidity;Shearmodulus;Strain;Temperaturerange;Testspecimens;Testing;Torsionpendulumtests;Torsionpendulums;Torsiontests;Torsionalstiffness;Viscoelasticity
【摘要】:ThispartofISO6721specifiestwomethods(AandB)fordeterminingthelineardynamicmechanicalpropertiesofplastics,i.e.thestorageandlosscomponentsofthetorsionalmodulus,asafunctionoftemperature,forsmalldeformationswithinthefrequencyrangefrom0,1Hzto10Hz.Thetemperaturedependenceoftheseproperties,measuredoverasufficientlybroadrangeoftemperatures(forexamplefrom-50~Cto+150~Cforthemajorityofcommerciallyavailableplastics),givesinformationonthetransitionregions(forexampletheglasstransitionandthemeltingtransition)ofthepolymer.Italsoprovidesinformationconcerningtheonsetofplasticflow.Thetwomethodsdescribedarenotapplicabletonon-symmetricallaminates(seeISO6721-3,Plastics--Determinationofdynamicmechanicalproperties--Part3:Flexuralvibration--Resonance-curvemethod).Themethodsarenotsuitablefortestingrubbers,forwhichtheuserisreferredtoISO4664-2,Rubber,vulcanizedorthermoplastic--Determinationofdynamicproperties--Part2:TorsionpendulummethodsatIowfrequencies.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:20P.;A4
【正文语种】:英语