【英文标准名称】:StandardTestMethodforDistortionTemperatureinThree-PointBendingbyThermomechanicalAnalysis
【原文标准名称】:热机分析三点弯曲处变形温度的标准试验方法
【标准号】:ASTME2092-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:畸变;温度;弯曲;试验方法;机械试验
【英文主题词】:deflection;deflectiontemperatureunderload;heatdistortiontemperature;strain;stress;temperature;thermomechanicalanalysis(TMA)
【摘要】:Dataobtainedbythistestmethodshallnotbeusedtopredictthebehaviorofmaterialsatelevatedtemperaturesexceptinapplicationsinwhichtheconditionsoftime,temperature,methodofloading,andstressaresimilartothosespecifiedinthetest.Thisstandardisparticularlysuitedforqualitycontrolanddevelopmentwork.Thedataarenotintendedforuseindesignorpredictingenduranceatelevatedtemperatures.1.1Thistestmethoddescribesthedeterminationofthetemperatureatwhichthespecificmodulusofatestspecimenisrealizedbydeflectioninthree-pointbending.Thistemperatureisidentifiedasthedistortiontemperaturemeasured.Thedistortiontemperatureisthattemperatureatwhichatestspecimenofdefinedgeometrydeformstoalevelofstrainunderappliedstressof0.455and1.82MPa(66and264psi)equivalenttothoseusedinTestMethodD648.Thetestmaybeperformedovertherangeoftemperaturefromambientto300C.Note1ResultsmayormaynotagreewiththoseobtainedbyTestMethodD648.1.2Electronicinstrumentationorautomateddataanalysisandreductionsystemsortreatmentsequivalenttothistestmethodmaybeused.Note2Sinceallelectronicdatatreatmentsarenotequivalent,theusershallverifyequivalencytothistestmethod.1.3SIvaluesaretoberegardedasthestandard.Inch-poundunitsinparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.1.5ThereisnoISOstandardequivalenttothistestmethod.
【中国标准分类号】:A42
【国际标准分类号】:
【页数】:5P.;A4
【正文语种】: