STRESSRELAXATIONTESTINGAsymposiumsponsoredbyASTMCommitteeE-28onMechanicalTestingAMERICANSOCIETYFORTESTINGANDMATERIALSKansasCity,Mo.,24,25May1978ASTMSPECIALTECHNICALPUBLICATION676AlfredFox,BellTelephoneLaboratories,editorListprice$23.7504-676000-23bAMERICANSOCIETYFORTESTINGANDMATERIALS1916RaceStreet,Philadelphia,Pa.191034Copyright©byAMERICANSOCIETYFORTESTINGANDMATERIALS1979LibraryofCongressCatalogCardNumber:78-74563NOTETheSocietyisnotresponsible,asabody,forthestatementsandopinionsadvancedinthispublication.PrintedinBaltimore,Md.June1979ForewordThesymposiumonStressRelaxationTestingforImprovedMaterialandProductReliabilitywaspresentedatKansasCity,Mo.,24,25May1978.ThesymposiumwassponsoredbytheAmericanSocietyforTestingandMa-terialsthroughitsCommitteeE-28onMechanicalTesting.AlfredFox,BellTelephoneLaboratories,presidedassymposiumchairmanandeditorofthispublication.RelatedASTMPublicationsReproducibilityandAccuracyofMechanicalTests,STP626(1977),$15.00,04-626000-23RecentDevelopmentsinMechanicalTesting,STP608(1976),$14.50,04-608000-23CyclicStress-StrainandPlasticDeformationAspectsofFatigueCrackGrowth,STP637(1977)$25.00,04-637000-30TheInfluenceofStateofStressonLow-CycleFatigueofStructuralMa-terials:ALiteratureSurveyandInterpretiveReport,STP549(1974),$5.25,04-549000-30CyclicStress-StrainBehavior—Analysis,Experimentation,andFailurePrediction,STP519(1973),$28.00,04-519000-30ANoteofAppreciationtoReviewersThispublicationismadepossiblebytheauthorsand,also,theunheraldedeffortsofthereviewers.Thisbodyoftechnicalexpertswhosededication,sacrificeoftimeandeffort,andcollectivewisdominreviewingthepapersmustbeacknowledged.ThequalitylevelofASTMpublicationsisadirectfunctionoftheirrespectedopinions.OnbehalfofASTMweacknowledgewithappreciationtheircontribution.ASTMCommitteeonPublicationsEditorialStaffJaneB.Wheeler,ManagingEditorHelenM.Hoersch,AssociateEditorEllenJ.McGlinchey,SeniorAssistantEditorHelenMahy,AssistantEditorContentsIntroductionCONSTITUTIVERELATIONSLoadRelaxationTestingandMaterialCons...