【英文标准名称】:StandardTestMethodforLinearThermalExpansionofSolidMaterialsbyThermomechanicalAnalysis
【原文标准名称】:用热机械分析法测定固体材料线性热膨胀的标准试验方法
【标准号】:ASTME831-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:分析;材料;塑料;固体;试验;热膨胀;热力学的
【英文主题词】:linearexpansion;solidmaterials;thermalexpansioncoefficient;thermomechanicalanalysis
【摘要】:Coefficientsoflinearthermalexpansionareused,forexample,fordesignpurposesandtodetermineiffailurebythermalstressmayoccurwhenasolidbodycomposedoftwodifferentmaterialsissubjectedtotemperaturevariations.ThistestmethodiscomparabletoTestMethodD3386fortestingelectricalinsulationmaterials,butitcoversamoregeneralgroupofsolidmaterialsanditdefinestestconditionsmorespecifically.ThistestmethodusesasmallerspecimenandsubstantiallydifferentapparatusthanTestMethodsE228andD696.1.1Thistestmethoddeterminestheapparentcoefficientoflinearthermalexpansionofsolidmaterialsusingthermomechanicalanalysistechniques.RelatedinformationcanbefoundinRefs.(,).1.2Thistestmethodisapplicabletosolidmaterialsthatexhibitsufficientrigidityoverthetesttemperaturerangesuchthatthesensingprobedoesnotproduceindentationofthespecimen.1.3Therecommendedlowerlimitofcoefficientoflinearthermalexpansionmeasuredwiththistestmethodis5m/(mC).Thetestmethodmaybeusedatlower(ornegative)expansionlevelswithdecreasedaccuracyandprecision(seeSection).1.4Thistestmethodisapplicabletothetemperaturerangefrom120to900C.Thetemperaturerangemaybeextendeddependingupontheinstrumentationandcalibrationmaterialsused.1.5Computerorelectronicbasedinstruments,techniques,ordatatreatmentequivalenttothistestmethodmayalsobeused.Note1Usersofthistestmethodareexpresslyadvisedthatallsuchinstrumentsortechniquesmaynotbeequivalent.Itistheresponsibilityoftheusertodeterminethenecessaryequivalencypriortouse.1.6SIvaluesarethestandard.1.7ThistestmethodisrelatedtoISO11359-2butissignificantlydifferentintechnicaldetail.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A52
【国际标准分类号】:19_060
【页数】:5P.;A4
【正文语种】: