【英文标准名称】:StandardTestMethodforEvaporationLossofLubricatingOilsbytheNoackMethod
【原文标准名称】:Noack法测定润滑油的蒸发损失的标准试验方法
【标准号】:ASTMD5800-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D02.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:evaporationlossoflubricants;Noackvolatility;volatilityoflubricants;Evaporationloss;Lubricatingoils;Noackmethod
【摘要】:Theevaporationlossisofparticularimportanceinenginelubrication.Wherehightemperaturesoccur,portionsofanoilcanevaporate.Evaporationmaycontributetooilconsumptioninanengineandcanleadtoachangeinthepropertiesofanoil.Manyenginemanufacturersspecifyamaximumallowableevaporationloss.Someenginemanufacturers,whenspecifyingamaximumallowableevaporationloss,quotethistestmethodalongwiththespecifications.ProcedureC,usingtheSelby-Noackapparatus,alsopermitscollectionofthevolatileoilvaporsfordeterminationoftheirphysicalandchemicalproperties.Elementalanalysisofthecollectedvolatilesmaybehelpfulinidentifyingcomponentssuchasphosphorous,whichhasbeenlinkedtoprematuredegradationoftheemissionsystemcatalyst.1.1Thistestmethodcoversthreeproceduresfordeterminingtheevaporationlossoflubricatingoils(particularlyengineoils).ProcedureAusestheNoackevaporativetesterequipment;ProcedureBusestheautomatednon-WoodsmetalNoackevaporativeapparatus;andProcedureCusesSelby-Noackvolatilitytestequipment.Thetestmethodrelatestoonesetofoperatingconditionsbutmaybereadilyadaptedtootherconditionswhenrequired.1.2NoackresultsdeterminedusingProceduresAandBshowconsistentdifferences.ProcedureAgivesslightlylowerresultsversusProcedureBonformulatedengineoils,whileProcedureAgiveshigherresultsversusProcedureBonbasestocks.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:18P.;A4
【正文语种】:英语