【英文标准名称】:Petroleumandrelatedproducts-Determinationoftheageingbehaviourofinhibitedoilsandfluids-TOSTtest-Part3:Anhydrousprocedureforsynthetichydraulicfluids
【原文标准名称】:石油及相关产品.防腐蚀矿物油和液体老化性的测定.TOST试验.第2部分:合成液压液的无水程序
【标准号】:ISO4263-3-2006
【标准状态】:作废
【国别】:国际
【发布日期】:2006-02
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC28
【标准类型】:()
【标准水平】:()
【中文主题词】:老化性能;老化;防腐蚀;密度;测定;液压液;非溶物质测定;材料试验;矿物油;油;抗氧化;石油产品;pH值;高压液体;合成的;试验设备;试验;无水的
【英文主题词】:Ageingbehaviour;Ageing(materials);Corrosionprotection;Density;Determination;Hydraulicfluids;Insolublematterdetermination;Materialstesting;Mineraloils;Oils;Oxidationresistance;Petroleumproducts;pH;Pressureliquids;Synthetic;Testequipment;Testing;Waterless
【摘要】:ThispartofISO4263specifiesamethodforthedeterminationoftheageingbehaviourofsynthetichydraulicfluidsofcategoriesHFDR,HFDU,HEESandHEPGasdefinede.g.inISO12922[4]andISO15380[5].Theageingisacceleratedbythepresenceofoxygenandmetalcatalystsatelevatedtemperature,andthedegradationofthefluidisfollowedbychangesinacidnumber.OtherpartsofISO4263specifysimilarproceduresforthedeterminationofageingbehaviourofmineraloilsandspecifiedcategoriesoffire-resistantfluidsusedinhydraulicandotherapplications.NOTEOthersignsoffluiddeterioration,suchastheformationofinsolublesludge,catalystcoilcorrosionordecreaseinviscosity,canoccur,whichindicateoxidationofthefluid,butarenotreflectedinthecalculatedoxidationlifetime.Thecorrelationoftheseoccurrenceswithfieldserviceisunderinvestigation.Thistestmethodcanbeusedtocomparetheoxidationstabilityoffluidsthatarenotpronetocontaminationwithwater.However,becauseofthelargenumberofindividualfield-serviceapplications,thecorrelationbetweentheresultsofthistestandactualserviceperformancecanvarymarkedly,andisbestjudgedonexperience.Theprecisionofthistestmethodforsynthetichydraulicfluidsisnotknownbecauseinterlaboratorydataarenotavailable.Thismethodmightnotbesuitableforuseinspecificationsorintheeventofdisputedresultsaslongasthesedataarenotavailable.However,precisionforinhibitedturbineoilsisgiveninClause11forguidanceasanindicationoftheprecisionthatcouldbeobtainedforsynthetichydraulicfluids.
【中国标准分类号】:E39
【国际标准分类号】:75_120
【页数】:21P;A4
【正文语种】:英语