THERELATIONSHIPBETWEENHIGH-TEMPERATUREOILRHEOLOGYANDENGINEOPERATION—ASTATUSREPORTPreparedbyASTMTaskForceD02.07.0BTF/EContheCorrelationofHigh-TemperatureOilRheologywithEnginePerformance.ASTMSub-committeeD02.07.0BonHigh-TemperatureRheologyofNon-NewtonianFluids,CommitteeD-2onPetroleumProductsandLubricants.ASTMDATASERIESDS62ThisdocumentwasrevisedandapprovedbyASTMCommitteesD02.07.0BTR/EC,D02.06.0B,andD02.06on4Dec.1984ASTMPublicationCodeNumber(PCN)05-894000-121916RaceStreet,Philadelphia,PA19103LibraryofCongressCataloging-in-PublicationDataASTMCommitteeD-2onPetroleumProductsandLubricants.Subcommittee7BTaskForceontheCorrelationofHigh—TemperatureOilRheologywithEnginePerformance.Therelationshipbetweenhigh-temperatureoilrheologyandengineoperation.(ASTMdataseries;DS62)"ASTMpublicationcodenumber(PCN)05-894000-12."1.Lubricatingoils—Effectoftemperatureon.2.Automobile—Lubrication.3.Rheology.I.Title.II.Series:ASTMdataseriespublication;DS62.TL153.5.A751985629.2'5585-15747ISBN0-8031-0448-0Copyright©byAMERICANSOCIETYFORTESTINGANDMATERIALS1985LibraryofCongressCatalogCardNumber:85-15747NOTETheSocietyisnotresponsible,asabody,forthestatementsandopinionsadvancedinthispublicationPrintedinMars,PA,Dec.1985FOREWORDPURPOSE.TheASTMHigh-TemperatureRheology/EngineCorrelationTaskForce(ASTMD02.07.0BTF/EC)haswrittenthisstatusreportinpartialresponsetoaSocietyofAutomotiveEngineers(SAE)requestto"developatestmethodwhichincorporateshigh-temperature,high-shearrateviscometricsorotherrheologicalcharacteristicstopredicttheper-formanceofbothsingleandmultigrade(i.e.,bothNewtonianandVl-improved)engineoilsinenginebearingsand/ortheringandcylinderarea(1)."Althoughthisreportdoesnotdealwiththedevelopmentofparticularviscositymeasurementtechniques,itdoeshavetwospecificob-jectiveswhichrelatetothisSAErequest:(1)tosummarize,andinterpret,asnecessary,allperti-nentpublishedstudiesrelatinghigh-temperatureoilrheologytoselectedmeasuresofengineper-formanceanddurability,and(2)tosuggestareasforpossiblefutureresearchneededto...
