ASTM C1025-1991(2010)e1 石墨电极芯弯曲破坏模量的标准试验方法

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【英文标准名称】:StandardTestMethodforModulusofRuptureinBendingofElectrodeGraphite
【原文标准名称】:石墨电极芯弯曲破坏模量的标准试验方法
【标准号】:ASTMC1025-1991(2010)e1
【标准状态】:现行
【国别】:
【发布日期】:1991
【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】:D02.F0
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:碳;电极石墨;抗弯强度;石墨;挠折模量;弯曲试验
【英文主题词】:carbon;electrodegraphite;flexuralstrength;graphite;modulusofrupture;Bendtesting
【摘要】:ThistestmethodprovidesameansfordeterminingthemodulusofruptureofasquarecrosssectiongraphitespecimenmachinedfromtheelectrodecoresampleobtainedaccordingtoPracticeC783,withaminimumcorediameterof57mm.Thistestmethodisrecommendedforqualitycontrolorqualityassurancepurposes,butshouldnotbereliedupontocomparematerialsofradicallydifferentparticlesizesororientationalcharacteristics.Forthesereasonsaswellasthosediscussedin4.2anabsolutevalueofflexuralstrengthmaynotbeobtained.SpecimenSize8212;Themaximumparticlesizeandmaximumporesizevarygreatlyformanufacturedgraphiteelectrodes,generallyincreasingwithelectrodediameter.Thetestisonarathershortstubbybeam,thereforetheshearstressisnotinsignificantcomparedtotheflexuralstress,andthetestresultsmaynotagreewhenadifferentratioorspecimensizeisused.1.1Thistestmethodcoversdeterminationofthemodulusofruptureinbendingofspecimenscutfromgraphiteelectrodesusingasimplesquarecrosssectionbeaminfour-pointloadingatroomtemperature.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:71_100_99
【页数】:3P.;A4
【正文语种】: