作者:标准资料网 时间:2024-05-12 07:29:10   浏览:8560   来源:标准资料网

【英文标准名称】:Petroleumandrelatedproducts-Determinationofshearstabilityoflubricatingoilscontainingpolymers-Methodusingataperedrollerbearing
【原文标准名称】:石油和相关产品.含聚合物的润滑油切变稳定性测定.利用圆锥滚柱轴承的方法
【标准号】:ISO26422-2011
【标准状态】:现行
【国别】:国际
【发布日期】:2011-03-15
【实施或试行日期】:2011-03-15
【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】:定义(术语);润滑剂;润滑油;石油产品;高聚物;滚柱轴承;剪切稳定性;锥形;测试;测试条件;粘度
【英文主题词】:Definitions;Lubricants;Lubricatingoils;Petroleumproducts;Polymers;Rollerbearings;Shearstability;Tapered;Testing;Testingconditions;Viscosity
【摘要】:WARNING—TheuseofthisInternationalStandardmayinvolvehazardousmaterials,operationsandequipment.ThisInternationalStandarddoesnotpurporttoaddressallofthesafetyproblemsassociatedwithitsuse.ItistheresponsibilityoftheuserofthisInternationalStandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.ThisInternationalStandardspecifiesamethodofdeterminingtheshearstabilityofpolymer-containinglubricatingoils,includingpressurefluids,bythefour-balltesterasspecifiedinISO20623,butusingataperedrollerbearing.Thetestresultsallowpredictionofthein-servicepermanentviscosityloss.NOTEOtherInternationalStandardsexistwhichevaluateviscositylossofpolymer-containingoils.ThemethodspecifiedinthisInternationalStandardsubjectsfluidstoahighershearratethan,forexample,thedieselinjectornozzlesheartestinISO20844.Itisparticularlyappropriateforlubricantsbeingusedinhighshearapplications,suchascomponentswithgearsandrollerbearings.Insuchapplications,theshearrateintheISO20844testmethodcanbetoolowtogeneratearealisticpermanentshearofthefluid.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:14P.;A4
【正文语种】:英语