【英文标准名称】:StandardTestMethodforMeasuringtheEffectonFilterabilityofEngineOilsAfterTreatmentwithVariousAmountsofWaterandaLong(6-h)HeatingTime
【原文标准名称】:测定用不同水和长时间(6h)加热后对的发电机油渗透性影响的标准试验方法
【标准号】:ASTMD6794-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【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.B0
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:enginelubricatingoil;filterability;storage
【摘要】:Itisnormalforsomeofthecombustionproductsofaninternalcombustionenginetopenetrateintotheenginelubricantandberetainedinit.Whenanengineisrunforaperiodoftimeandthenstoredoveralongperiodoftime,theby-productsofcombustionmayberetainedintheoilinaliquefiedstate.Underthesecircumstances,precipitatescanformthatimpairthefilterabilityoftheoilthenexttimetheengineisrun.Thistestmethodsubjectsthetestoilandthenewoiltothesametreatmentssuchthatthelossoffilterabilitycanbedetermined.Referenceoils,onwhichthedataobtainedbythistestmethodisknown,areavailable.Thistestmethodrequiresthatareferenceoilalsobetestedandresultsreported.Twooilsareavailable,oneknowntogivealowandoneknowntogiveahighdatavalueforthistestmethod.Note18212;Whenthenewoiltestresultsaretobeofferedascandidateoiltestresultsforaspecification,suchasSpecificationD4485,thespecificationwillstatemaximumallowablelossoffilterability(flowreduction)ofthetestoilascomparedtothenewoil.1.1Thistestmethodcoversthedeterminationofthetendencyofanoiltoformaprecipitatethatcanpluganoilfilter.Itsimulatesaproblemthatmaybeencounteredinanewenginerunforashortperiodoftime,followedbyalongperiodofstoragewithsomewaterintheoil.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:6P.;A4
【正文语种】: