【英文标准名称】:StandardTestMethodforAssignmentoftheGlassTransitionTemperaturebyThermomechanicalAnalysis
【原文标准名称】:使用热机分析测定玻璃转变温度的标准试验方法
【标准号】:ASTME1545-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:E37.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:玻璃化转变;热膨胀
【英文主题词】:glasstransitionTg;linearthermalexpansion;softeningpointTs;thermodilatometry;thermomechanicalanalysis(TMA)
【摘要】:1.1Thistestmethoddescribesproceduresfortheassignmentoftheglasstransitiontemperatureofmaterialsonheatingusingthermomechanicalmeasurementsunderprescribedexperimentalconditions.1.2Thistestmethodisapplicabletoamorphousortopartiallycrystallinematerialsthataresufficientlyrigidbelowtheglasstransitiontoinhibitindentationbythesensingprobe.1.3Thenormaloperatingtemperaturerangeisfrom100to600176;C.Thistemperaturerangemaybeextendeddependingupontheinstrumentationused.1.4SIunitsarethestandard.1.5ThistestmethodisrelatedtoISO11359-2.ISO11359-2additionallycoversthedeterminationofcoefficientoflinearthermalexpansionnotcoveredbythistestmethod.ThistestmethodisrelatedtoIEC61006butusesaslowerheatingrate.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection7.
【中国标准分类号】:Q33
【国际标准分类号】:81_040_01
【页数】:4P.;A4
【正文语种】: