Designation:D5656−10(Reapproved2017)StandardTestMethodforThick-AdherendMetalLap-ShearJointsforDeterminationoftheStress-StrainBehaviorofAdhesivesinShearbyTensionLoading1ThisstandardisissuedunderthefixeddesignationD5656;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthepreparationandtestingofthick-adherendlap-shearsamplesforthedeterminationofthestress-strainbehaviorofadhesives.1.2Thistestmethodcoversdatareductionandanalysisofstress-straincurvesobtainedusingthick-adherendlap-shearsamples.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsinparenthesesareforinforma-tiononly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.Specificprecautionarystatementsaregivenin7.3.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D907TerminologyofAdhesivesD2651GuideforPreparationofMetalSurfacesforAdhesiveBondingD4896GuideforUseofAdhesive-BondedSingleLap-JointSpecimenTestResultsE4PracticesforForceVerificationofTestingMachines3.Terminology3.1Definitions:3.1.1ManytermsinthistestmethodaredefinedinTermi-nologyD907.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1knee,n—inflectionpointonaload-deflectioncurve;thepointatwhichplasticyieldingoftheadhesivebeginstodominatethedeformationresponseoftheload-deflectioncurve.3.2.2panel,n—twoplatesofarigidmaterialhav...
