ASTM D6278-2007 使用欧洲柴油机喷射装置测定含液体聚合物的剪切稳定性用标准试验方法

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【英文标准名称】:StandardTestMethodforShearStabilityofPolymerContainingFluidsUsingaEuropeanDieselInjectorApparatus
【原文标准名称】:使用欧洲柴油机喷射装置测定含液体聚合物的剪切稳定性用标准试验方法
【标准号】:ASTMD6278-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:喷射设备;剪切稳定性;测试;粘度测量
【英文主题词】:dieselinjectorapparatus;mechanicalshearstability;polymercontainingfluid;viscosityloss;Dieselenginefueloils;Dieselinjectornozzlemethod;Europeandieselinjectormethod;Polymer-containingfluids;Sheartesting--petroleumproducts
【摘要】:Thistestmethodevaluatesthepercentviscositylossforpolymer-containingfluidsresultingfrompolymerdegradationinthehighshearnozzledevice.Thermaloroxidativeeffectsareminimized.Thistestmethodisusedforqualitycontrolpurposesbymanufacturersofpolymericlubricantadditivesandtheircustomers.Thistestmethodisnotintendedtopredictviscositylossinfieldserviceindifferentfieldequipmentunderwidelyvaryingoperatingconditions,whichmaycauselubricantviscositytochangeduetothermalandoxidativechangesaswellasbythemechanicalshearingofpolymer.However,whenthefieldserviceconditions,primarilyorexclusively,resultinthedegradationofpolymerbymechanicalshearing,theremaybeacorrelationbetweentheresultsfromthistestmethodandresultsfromthefield.1.1Thistestmethodcoverstheevaluationoftheshearstabilityofpolymer-containingfluids.Thetestmethodmeasuresthepercentviscositylossat100x00B0;Cofpolymer-containingfluidswhenevaluatedbyadieselinjectorapparatusprocedurethatusesEuropeandieselinjectortestequipment.Theviscositylossreflectspolymerdegradationduetoshearatthenozzle.Note18212;TestMethodD2603hasbeenusedforsimilarevaluationofshearstability;limitationsareasindicatedinthesignificancestatement.Nodetailedattempthasbeenundertakentocorrelatetheresultsofthistestmethodwiththoseofthesonicsheartestmethod.Note28212;ThistestmethodusestestapparatusasdefinedinCECL-14-A-93.ThistestmethoddiffersfromCEC-L-14-A-93intheperiodoftimerequiredforcalibration.Note38212;TestMethodD5275alsoshearsoilsinadieselinjectorapparatusbutmaygivedifferentresults.Note48212;ThistestmethodhasdifferentcalibrationandoperationalrequirementsthanwithdrawnTestMethodD3945.Note58212;TestMethodD7109isasimilarprocedurethatmeasuresshearstabilityatboth30and90injectioncycles.Thistestmethoduses30injectioncyclesonly.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection8.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:9P.;A4
【正文语种】: