Designation:C1025−15AnAmericanNationalStandardStandardTestMethodforModulusofRuptureinBendingofElectrodeGraphite1ThisstandardisissuedunderthefixeddesignationC1025;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversdeterminationofthemodulusofruptureinbendingofspecimenscutfromgraphiteelectrodesusingasimplesquarecrosssectionbeaminfour-pointloadingatroomtemperature.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C651TestMethodforFlexuralStrengthofManufacturedCarbonandGraphiteArticlesUsingFour-PointLoadingatRoomTemperatureC783PracticeforCoreSamplingofGraphiteElectrodesE4PracticesforForceVerificationofTestingMachinesE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod3.Terminology3.1Definitions:3.1.1electrodegraphite,n—atypeofmanufacturedgraph-itewithlessrestrictivecontrolsonhomogeneityandpurity,commonlyproducedtocarrycurrentinelectricarcfurnaces,asaconsumableiteminelectricaldischargemachining,andasastructuralmaterialinplastic-injectionmolds.3.1.2flexuralstrength,n—propertyofsolidmaterialthatindicatesitsabilitytowithstandaflexuralortransverseload,obtainedthroughameasurementoftheultimateload-carryingcapacityofaspecifiedbeaminbending.3.1.3modulusofruptureinbending,n—thevalueofmaxi-mumstressintheextremefiberofaspecifiedbeamloadedtofailureinbending.4.SignificanceandUse4.1Thistestmethodprovidesameansfordeterminingthemodulusofruptureofasquarecrosssectiongraphitespecimenmachinedf...
