【英文标准名称】:StandardPracticeforCalculatingThermalEnduranceofMaterialsfromThermogravimetricDecompositionData
【原文标准名称】:从热解重量分解数据计算材料的耐热性的标准实施规程
【标准号】:ASTME1877-2000(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【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】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:Arrheniusactivationenergy;Arrheniuspre-exponentialfactor;kineticparameters;relativethermalindex;thermaldecomposition;thermalendurance;thermallife;thermogravimetricanalysis;Arrheniuskineticconstants;Decomposition;Kineticbehavior/cha
【摘要】:Thermogravimetryprovidesarapidmethodforthedeterminationofthetemperature-decompositionprofileofamaterial.Thispracticeisusefulforqualitycontrol,specificationacceptance,andresearch.Thispracticeshallnotbeusedforproductlifetimepredicationsunlessacorrelationbetweentestresultsandactuallifetimehasbeendemonstrated.Inmanycases,multiplemechanismsoccurduringthedecompositionofamaterial,withonemechanismdominatingoveronetemperaturerange,andadifferentmechanismdominatinginadifferenttemperaturerange.Usersofthispracticearecautionedtodemonstratefortheirsystemthatanytemperatureextrapolationsaretechnicallysound.1.1ThispracticecoversadditionaltreatmentoftheArrheniusactivationenergydatadeterminedbyTestMethodE1641todevelopathermalendurancecurveandderivearelativethermalindexformaterials.1.2Thispracticeisgenerallyapplicabletomaterialswithawell-defineddecompositionprofile,namelyasmooth,continuousmasschangewithasinglemaximumrate.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4ThereisnoISOstandardequivalenttothispractice.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C82
【国际标准分类号】:71_040_40
【页数】:4P.;A4
【正文语种】:英语