Designation:G163−10StandardGuideforDigitalDataAcquisitioninWearandFrictionMeasurements1ThisstandardisissuedunderthefixeddesignationG163;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidecoverstheprovidingofgeneralguidanceinapplyinghardwareandsoftwaretodigitallyacquirewearandfrictiondatainlaboratorytestsystems.Itpointsoutimportantconsiderationsinsuchdataacquisition.Itdoesnotmakespecificrecommendationsordiscussspecificdetailsregardingcommercialhardwareorsoftware.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2G40TerminologyRelatingtoWearandErosionG77TestMethodforRankingResistanceofMaterialstoSlidingWearUsingBlock-on-RingWearTestG83TestMethodforWearTestingwithaCrossed-CylinderApparatus(Withdrawn2005)3G99TestMethodforWearTestingwithaPin-on-DiskApparatusG115GuideforMeasuringandReportingFrictionCoeffi-cientsG118GuideforRecommendedFormatofWearTestDataSuitableforDatabases3.Terminology3.1Definitions:3.1.1coeffıcientoffriction,n—thedimensionlessratioofthefrictionforcebetweentwobodiestothenormalforcepressingthebodiestogether.3.1.2wear,n—alterationofasolidsurfacebyprogressivelossorprogressivedisplacementofmaterialduetorelativemotionbetweenthatsurfaceandacontactingsubstanceorsubstances.G403.2DefinitionsofTermsSpecifictoThisStandard:3.2.1hardware,n—mechanicalandelectroniccomponentsininstrumentationusedtoacquiredata.3.2.2software,n—computercodethatcanbeexecutedtocontrolhardwaresystemsandstoredata.4.SummaryofGuide4.1Seve...
