ASTM D4683-2004 用锥形承载模拟器在高剪切率和高温下测量粘度的标准试验方法

作者:标准资料网 时间:2024-05-20 21:06:01  浏览:9634   来源:标准资料网

【英文标准名称】:StandardTestMethodforMeasuringViscosityatHighShearRateandHighTemperaturebyTaperedBearingSimulator
【原文标准名称】:用锥形承载模拟器在高剪切率和高温下测量粘度的标准试验方法
【标准号】:ASTMD4683-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:D02.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:粘度;粘度测量;试验方法;高温
【英文主题词】:dynamicviscosity;highshearviscosity;hightemperatureviscosity;rotationalviscometer
【摘要】:Viscosityattheshearrateandtemperatureofthistestmethodisthoughttoberepresentativeoftheconditionencounteredinthebearingsofautomotiveenginesinsevereservice.Theimportanceofviscosityattheseconditionstoenginelubricationhasbeenaddressedinmanypublications.41.1Thistestmethodcoversthelaboratorydeterminationoftheviscosityofengineoilsat150Cand1106s1shearrateusingataperedbearingsimulator-viscometer(TBSViscometer)equippedwitharefinedthermoregulatorsystem.OlderTBSunitsnotsoequippedmustuseTestMethodD4683-87.1.2TheNewtoniancalibrationoilsusedtoestablishthistestmethodcovertherangefromapproximately1.5to5.6cP(mPas)at150176;C.1.3Thenon-Newtonianreferenceoilusedtoestablishthistestmethodhasaviscosityofapproximately3.5cP(mPas)at150Candashearrateof1x106s1.1.4Applicabilitytopetroleumproductsotherthanengineoilshasnotbeendeterminedinpreparingthistestmethod.1.5Thistestmethodusesthecentipoise(cP)astheunitofviscosity.ForinformationontheequivalentSIunit,themillipascalsecond(mPas)isshowninparentheses.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E34
【国际标准分类号】:
【页数】:6P.;A4
【正文语种】: