1、INTERNATIONA1.STANDARDISO3219-2editionFirst2021-05Rheo1.ogy一飘空a1.princip1.esofrotationa1.andosci1.1.atoryrheometryRheo1.ogie一Par1.ie2:PrindpesgrauxdeIarhomtrierotativee1.Osci1.1.atoireReferencenumberISO321922021(E)COPYRIGHTPROTECTEDDOCUMENTISO2021岫rkdttcetht1.ijfacdOthcnviscspfti1.tcorr0mehD!UicttB1
2、mti!3Uatioi(nphf1.otocpyM)g.pnWjcationpstingontheinternetoranintranet,withoutpriorwrittenpermission.Permissioncanberet11rtnhvcekuHPfff1.PbbGgbOdymtf1.C1.ra弧d6tandjGfenOWhtdarredMt2committeehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnon-g
3、overnmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenanceare。智SFR幽of1.SOIEC(M1.槐notrttH邻MMferg
4、CCOrdanCe酚Fhtheeditoria1.ru1.esoftheISO/IECDirectives.Part2(seewww.iso.org/direc1.ives).时歌ionrightsd般掂出1n隔嗯琳娜ns副神鹿设游硕热刑出doc1.三r强心创1.subjectofanypatentrightsidentifiedduringthedeve1.opmerUU4iewU-w4JbeintheIntroductionand/orontheISO1.istofpatentdec1.arationsreceived(seewww.iso.org/pa1.ents).Anytradeus
5、edinthisconstitutenameendorsement.documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsand觐牌R涸现dOwarWMWO)assE麻ftinwe植5i盛,nBaNW现Jdea樵es做vvw.iso.orgiso/forewo1d.htmI.用隹盘酬前侬鼠糜懒触物G心传冏电电箍棍?双好品招浊即欣仰蹴引f8微祗的舔nmitteeStandard
6、ization(CEN)Tecnnica1.CommitteeCEN/TC139,Paintsandvarnishes,inaccordancewiththegreementontechnica1.cooperationbet,eenISOandCEN(ViennaAgreement),andincooperationwithISO/TC61,P1.astics,SC5,Physica1.-chemica1.properties.Thisdocumentcance1.sandrep1.acesISO3219:1993,whichhavebeentechnica1.1.yrevised.Them
7、ainchangescomparedtothepreviouseditionsareasfo1.1.ows: p1.ate-p1.atemeasuringgeometryhasbeenadded; re1.ativemeasuringgeometrieshavebeenadded; osci1.1.atoryrheometryhasbeenadded.A1.istofa1.1.partsintheISO3219seriescanbefoundontheISOwebsite.A&酶Bt他也愉S1.ftftiiesthiscah响喉RM1.sgw孤明摸次幽喃nationa1.standardsbo
8、dy.AISO2021-A1.1.rightsreservedRheo1.ogy一Genera1.princip1.esofrotationa1.andosci1.1.atoryrheometry1 ScopeDetai1.edinformationpresentedinCurrent1.yFurtherpreparation.informationiscoveredinsubsequent2 NormativereferencesconstitutesrequirementS1.ateStCditiondocurncntxcferencedrefercnces,(inc1.udingamen
9、dments)app1.ies.app1.ies.3 Termsanddefinitionsapp1.y.ISOOn1.inebrowsingp1.atform:avai1.ab1.eathpswww.iso.orgobp3.1measuringgap3.2gapwidthhWcpsymbo1.thcrcfcrswidthaoapcoaxia1.-cy1.indersgeometry.andwhichgapdcfincr:TheSyTnbO1.hreferstoagapwidththatcanbevaried(e.p1.ate-p1.atemeasuringgeometry);theHxis/
10、gaptothewidthwhichnotvariab1.eHeistheiswidthofre1.evantgeometry.Note2toentry:Thedistancebetweentheboundarysurfacesisgivenbythedifferenceintheradii(coaxia1.Note3toentrr:Incone-p1.atemeasuringgeometries,thegapwidthvariesasafunctionoftheradiusacrossthemeasuringgeometry.Theva1.ueHCPisthedistancebetweent
11、hef1.attenedconetipandthep1.ate.3.3f1.owfie1.dcoefficientgeometricfactorNotef1.uidentry:Thef1.owfo1.1.owingcoefficientkre1.atestheangu1.arve1.ocityandtorqueMtotheshearviscosityof3M3.4no-s1.ipcondition3.5wa1.1.s1.ip3.6re1.ativemeasuringgeometrysecondsentiy：exceptre1.ativecasep1.ate-p1.ategeometries.t
12、hegeometriessha1.1.thecorrectionreferredtnmu1.tip1.iedby3.7abso1.utemeasuringgeometry3.8strainfactorNotc1.attcrcntry:Proportiona1.ityva1.ucfactorbetweenfactorshcarcorrcspondstotheabso1.utcvc1.ocityoftheshearratefactor.test3.9shearstressfactorNote1toentry:Theshearstressfactorhhasunitsofreciproca1.cub
13、icmetres(m-3).ISO2021-A1.1.rightsreservedquotientoftheshearstressfactor(3.9)kandthestrainfactor(3.8)kthe1toasgivenbythefie1.dformu1.a:Thef1.owfie1.dcoefficientMsexpressedInradianspercubicmetre(raim-3),Itcanbeca1.cu1.atedfromtheshapeanddimensionsofanabso1.utemeasuringgeometry(3.7).presenceofare1.ativ
14、eve1.ocityofzerobetweenaboundarysurfaceandtheimmediate1.yadjacentf1.uid1.ayerpresenceofanon-zerore1.ativeve1.ocitybetweenaboundarysurfaceandtheimmediate1.yadjacentf1.uid1.ayermeasuringgeometryforwhichthef1.owprofi1.eandthustherheo1.ogica1.parameterscannotbeca1.cu1.atedNote1to(Pas)Forintheofmeasuring
15、measuringviscosityifbegiveninpasca1.in6.3.3.1.2isused.measuringgeometryforwhichthef1.owprofi1.eandthustherheo1.ogica1.parameterscanbeca1.cu1.atedexact1.yfortheentiresamp1.e,regard1.essofitsf1.owpropertiesproportiona1.ityfactorbetweentheangu1.ardef1.ectionandshearstrainyforabso1.utemeasuringgeometrie
16、s(3.7)The1toIstheTheabso1.utethestraintherateandangu1.arva1.ue.Note2toentry:Thisfactorisca1.1.edtheshearratefactorintherotationtestandthestrainfactorintheOSdHatOryNote3toentry:Thestrainfactorkrhasunitsofreciproca1.radians(rad-).proportiona1.ityfactorbetweenthetorqueMandtheshearstressforabso1.utemeas
17、uringgeometries(37)4Symbo1.sTab1.e1Symbo1.sandunitsMeaningSymbo1.UnitGI-r11RtoIkoI1.11MR几PI几rA(11)几1.DD11GMIaSunf(CkfKOjvr511)ortbbKerNmarxr!with*referInxmp1.rxvahr(!pararnrterxwhoserea1.partisdenotedbyz;iniationa01.M1.odcyufAbasu1.tingshift.JBponsecGTtaipsMdUMhixxhwriaj1.u1.afrdquerwtiesponseparame
18、tersare1.istedinTab1.esA.2andA.3.Parameterssuchastheshearstoragemodu1.usG1(e1.asticshearmou1.s)1.theshear1.ossmodu1.usG,(viscousshearmodu1.us),theabso1.uteva1.ueofthecomp1.exviscosityIandthe1.ossfactortancanbeca1.cu1.atedfromthemeasureddatainordertocharacterizetheviscoe1.asticbehaviour.Themathematic
19、a1.princip1.esarepresentedinA.3.ThebasicparameterofKeydef1.ectionpathAdef1.ectionang1.ehshearp1.aneFgapwidthshearforceFigure2Two-p1.atemode1.withasimp1.ifiedschematicrepresentationofthebasicparametersofanosci1.1.atorytest(4)whereYistheshearstrain,dimension1.ess;Shisthedef1.ectionPath,inmetres；istheg
20、apwidth,inmetres.ISO2021-A1.1.rightsreservedassociatedosciHatorystresstheshiftedwithinvariesSinusoida1.1.yrangebyfunctionang1.eatseeFigureangu1.ar(t)=OSm(It)YQistheamp1.itudeoftheshearstrain,dimension1.ess;-34I(t)=1.osin(+w)6。istheamp1.itudeoftheshearstress,inpasca1.s;KeyYFigure 3 -Schematicrepresen
21、tationoftheshearstrainandshearstressfunctionsforanosci1.1.atorytestapp1.ies：2rDegrees360o.arecommon1.yusedinpracticeastheunitforthe1.ossang1.e.Thefo1.1.owingconversion(inaccordanceshearNewton,s1.aw),shearStressang1.ea1.waysva1.uephase.In112=CaSei.e.idea1.viscousbehaviourInthesheartcs1.isshearstraint
22、heviscoe1.asticasathe1.ossoftimetthesame3.Thefrequency.Formu1.ae(5)and(6)app1.y:whereistheangu1.arfrequency,inradianspersecond;isthetime,inseconds.(6)whereisthe1.ossang1.e,inradians.shearstrainShCaiestressangu1.arfrequencytime1.ossang1.eNOTErad=()Inthecaseofidea1.e1.asticbehaviour(inaccordancewithHo
23、oke,s1.aw),the1.ossang1.ehasava1.ueof=00,i.e.thewithstrainandthe1.ossarehasinof5=the900roftheshearstresscurveis90aheadoftheshearstraincurve.USinRHookeSe1.asticity1.aw,thecomp1.exshearmodu1.usG*anditsabso1.uteva1.ueGcanbeca1.cu1.atedusingFongaeand(8):(0GI=S2z+G32whereG*isthecomp1.exshearmodu1.us,inpa
24、sca1.s;Gistheshearstoragemodu1.us,inpasca1.s；Gistheshear1.ossmodu1.us,inpasca1.s;G*describestheovera1.1.viscoe1.asticbehaviour.物WarCanG(shearstoragemodu1.us)andaviscouscomponentG(9)(10)Thequotientoftheshear1.ossmodu1.usGandshearstoragemodu1.usGisthedimension1.ess1.ossCctgBtanz好eeFo廿：(11)(12)G1.Thera
25、t100ftheabso1.uteva1.ueofthecomp1.exshearmodu1.usG*andtheangu1.arfrequencyistheabso1.uteva1.ueofthecomp1.exviscosity*,seeFormu1.a(12):I.串GhJraMeArtf1.Mtb1.yofthecomp1.exviscosity,inpasca1.mu1.tip1.iedbyseconds.6.1Genera1.Therheo1.ogica1.propertiesareinvestigatedusingameasuringsystemconsistingofameas
26、uringdevice(viscometerorrheometer)andameasuringgeometry(e.g.cone-p1.ate).Theviscometercanon1.ymeasuretheviscosityinrotation(viscometry).Thismeansthattheviscosityfunctionofthesamp1.ecanbedeterminedasafunctionoftheparametersoftime,temperature,shearrate,shearstressandotherssuchaspressure.Witharheometer
27、itispossib1.etocarryouta1.1.basictestsinrotationandosci1.1.ation(rheometry).A1.ongsidetheviscosityfunction,theviscoe1.asticpropertiescanbedetermined,e.g.shearstoragemodu1.usandshear1.ossmodu1.us.ISO2021-A1.1.1.ightsreservedtemperaturecontro1.systemIcompressorIImeasuringgeometrymeasuringdeviceAcoUsm
28、rHSheienihIonsUbTheameasuringterrdevicc,andmeasuhintmhpon即C1.iM)HQg1.hemeasuringsystemI1optiona1.accessoriesIIFigure 4 Examp1.eofameasu11ngassemb1.yThesamp1.etobeinvestigatedis1.ocatedinameasuringgapwhereadefinedf1.owprofi1.eisgeneratedMrheotsurtHrtZ陛ney松途rytheyp以Ir做峻it*1.mthisimposeet成也双t划斓tqCW1.dt
29、MZVhW1.砌WMa网Wardef1.ection.Theimposedparametersha1.1.beadjustab1.ebothintime-dependentandtime-independentmanners.iMoms(ffVWWement,f1.Pf1.smeasurementsprincipayosd1.1.atiofiJVffeefiftgf1.f1.Wvtsea?thathavethe1.owestpossib1.einterna1.frictioninthedriveordetectionunit.稀汾假MpH刨瞄帽徵眠酬居雅璃瞰is,the联网膜tera糊鄙罪懒协
30、科b1.ere抽喇rkthemeasuringrangethatcanbeachieved,dependonthemeasuringsystem.Thetypeofmeasuringdeviceandmeasuringgeometrytobese1.ecteddependsonthesamp1.e.6.2Temperaturecontro1.systemsponentsforheatingand/仅r.g.如UiefigIndindiIdi1.dg摊qUifd由。痴).(cgair,water,1.iquidnitrogen)andthenecessaryconnectionsTherheo1
31、ogica1.propertiesofthesamp1.earetemperature-dependent.Asaresu1.t,measuressuchas81I1IW掷僻识Fe88F见8aregMedmeasurementwithoneormoretemperaturesensorsinThetemperatureofthesamp1.esha1.1.bekeptconstantasafunctionoftimeduringthemeasurementgcjiod.Measuringgeometries6.3.1Genera1.Ameasuringgeometryconsistsoftw
32、opartsthatformasamp1.echamberwherethesamp1.eis1.ocated.Ameasuringgeometryconsistsofarotorandastatororoftworotors.a)Couetteprincip1.eb)Sear1.eprincip1.eKey2 measuringbob(innercy1.inder)3 samp1.echamber4 drive5measuringsensorFigure6Sear1.eandCouetteprincip1.es3)的W电中r)R.泥勒11ingmeasUw州meawingMv泌hepf炳Ih加
33、guunWitfySUrin成h:WMdaradiusRandthe1.atera1.surfaceof1.1.iemeasuringcupwitharadiusRzandthesame1.ength1.seeFigure7.6.3.2.1.2Ca1.cu1.ationmethodsCa1.cu1.ationsoftheshearstressandshearrateareidea1.1.ybasedonrepresentativeva1.uesthatdomK39Q11ngebmbtwbutradiuspirtie1.aroutergyi11iHicriOfitiatFivithtitaadfitkmeasugHffiinnrjqWmfWdefinedthethearithmeticmeanoftheshearstressesattheoutercy1.inderandinnercy1.inderztwhichisagoodapproximationforthegivenr
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