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【英文标准名称】:TestMethodforMeasuringApparentViscosityatHigh-TemperatureandHigh-ShearRatebyMulticellCapillaryViscometer
【原文标准名称】:用多孔毛细管粘度计在高温和高剪切率下测量表面粘性的试验方法
【标准号】:ANSI/ASTMD5481-2004
【标准状态】:作废
【国别】:美国
【发布日期】:2004
【实施或试行日期】:2004-05-01
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:润滑油;润滑剂;试验方法;粘度
【英文主题词】:Capillary;Engines;High;Hightemperature;Lubricants;Lubricatingoils;Methods;Products;Rates;Shear;Shears;Temperature;Testmethods;Tests;Viscometers;Viscosity
【摘要】:Thistestmethodcoversthelaboratorydeterminationofhigh-temperaturehigh-shear(HTHS)viscosityofengineoilsatatemperatureof150?Cusingamulticellcapillaryviscometercontainingpressure,temperature,andtiminginstrumentation.Theshearrateforthistestmethodcorrespondstoanapparentshearrateatthewallof1.4millionreciprocalseconds(1.4x10s).Thisshearratehasbeenfoundtodecreasethediscrepancybetweenthistestmethodandotherhigh-temperaturehigh-sheartestmethodsusedforengineoilspecifications.ViscositiesaredetermineddirectlyfromcalibrationsthathavebeenestablishedwithNewtonianoilswithviscositiesfrom2to5mPaúsat150?C.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:
【正文语种】:英语