ISO 280802021.docx

《ISO 280802021.docx》由会员分享，可在线阅读，更多相关《ISO 280802021.docx（21页珍藏版）》请在三一文库上搜索。

1、INTERNATIONA1.STANDARDISO28080editionSeCOnd202102Hardmeta1.sAbrasiontestsforhardmeta1.sMetauxdursEssaisdabrasiondesmtauxdursCOPYRIGHTPROTECTEDDOCUMENTISO2021岫rkdea/山thUcdOthcnviscjftc三orrtmcehDVBiwixuioiti08phnn11UatiocBhrhotocp)Mng,ptbcatonpostingontheinternetoranintranet,withoutpriorwrittenpermiss

2、ion.PermissioncanherequestedfromeitherISOattheaddressbe1.oworISta1.TViIoperd1.iUnconditionshndoftestorteststop78.6Interruptedtests8Expressionofresu1.ts89.1 Sing1.e-steptest89.2 Mu1.tip1.e-steptest89.2.1 TaiiUHt1.ODX1.fabraSionrate89.3 I1.1.ustrationoftrendsofwear,frictionforceandnorma1.force9109.4I1

3、1.ustrationofcomparativesetofmeasurementsusingtwoabrasionmateria1.s91UOfe.”.三.Bib1.iography13ForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsttiugh(ISOmrtmiw)bMdniK盟RAucekdHpfff1.QbbGgbodyIcommitteehasbeenestab1.ishedhastherighttoberepresentedo

4、nthatcommittee.Internationa1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseinten

5、dedforitsfurthermaintenanceare蜩则搬OnSo/IECdW倘翩1.b如伏铀林监井硼麻肝的酗蝌er%cordanceMFhtheeditoria1.ru1.esoftheSOIECDirectives.Part2(seewww.iso.org/direc1.ives).时歌ionrightsd般掂棚15脚蝴橱卿SnSi嘏趣出即的植般眈doc1.三崎翩舟硼hsubjectofanypatentrightsidentifiedduringthedeve1.opmerUW4iouwMM41.beintheIntroductionand/orontheISO1.istofpa

6、tentdec1.arationsreceived(seewww.iso.org/pa1.ents).Anytradeusedinthisconstitutenameendorsement,documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsand哪崛硒1.%ticnc。的福P限融Mthe冲断Ih潴称小牖tion南版淮6华哂瞬聊硼iso/foreword.htm1.近216

7、胡他晌糜照倒redm跳Od鼎油位和席格Aftte第，队和8加”J潴F脱阴潮I就鸵现常而GeeStandardization(CEN)Technica1.CommitteeCEN/SSM11,Powdermeta1.1.urgy,inaccordancewiththeAgreementontechnica1.cooperationbetweenISOandCEN(ViennaAgreement).Thisrevised.secondeditioncance1.sandrep1.acesthefirstedition(ISO28080:2011),whichhasbeentechnica1.1.y

8、Themainchangescomparedtothepreviouseditionareasfo1.1.ows:C1.ause2,thenornativereferenceshavebeenupdated;C1.auses3and4havebeenswitched;-Srt,secondsentence：*orneoprenehasbeenadded.Anyfeedbackorquestionsonthisdocumentshou1.db。diroedtoth。UMFKnationa1.standardsbody.Acomp1.ete1.istingofthesebodiescanbefou

9、ndatwww.iso.org/members.htm1.IntroductionThisdocumentprovidesnewandimprovedmethodsfortestingtheabrasioncharacteristicsofbxideUj)pwigthatQtifigsvjbfsyms(ThimQutingriunberi11(51.3stom3ddbf1.Wb0ehavetheASTMG1.OSwetsand/rubberwhee1.testandtheASTMB611stee1.whee1.test.Othervariantsofthesetestshavea1.sobee

10、ndeve1.opedforspecificapp1.icationsinotherinstitutes.A1.1.ofthesetestsusea觊A魄嘀碌1.三魏嗯摘StfU相器画确北心榭曲明WMr林theiftg袖蝌betJ踹ethesq展的挪differenttests.However,theydodifferinthedetai1.sofhowtheabrasiveisfedtotneinterfacebetweenthewhee1.andthetestpiece,ifthetestcanbecarriedoutmthepresenceoff1.uids,andiftheabrasi

11、veison1.yusedonceandpassesthroughthetestsystem,orisreusedmanytimes.Thisdocumentprovidesframeworkthatbringstogetherthekeyfeaturesofthesetestsandgivesresu1.tsthatshowcomparabi1.ity.Ita1.sogivesinformationontheirreproducibi1.ityandrepeatabi1.ity.Mh4S1BNM1.gWMifejnsdfcberAfi1.iMA1.GsiHtwWora1.yionsNRi)u

12、bb(mMtedak,4wwwie1.etFopediFg/abrasionvo1.ume1.ossVNote1toentry：InASTMB611,thisisdefinedasthevo1.ume1.ossperrevo1.utionofthestee1.whee1.abrasionwearThisdocumentspecifiesagenerictestmethodtodeterminetheabrasionwearcharacteristicsofThetestisappropriateforuseinsituationswheretest1.aboratorieshaveaneedt

13、osimu1.ateabrasivedamage.Theprocedureinc1.udesinformationwhichenab1.esthetesttobeusedinavarietyofdifferenta)withcounterfacewhee1.sofdifferentstiffness(forexamp1.estee1.andrubber);c)differentabrasivesizes;2difTerentreferencesThefo1.1.owingdocumentsofthisreferredinthetextsuchawaythattheoroftheirForund

14、atedreferences,the1.atesteditionofthereferenceddocument(inc1.udinganyamendments)app1.ies.ASTMB611,StandardTestMethodforDeterminingtheHighStressAbrasionResistanceofHardMateria1.sASTMG105,StandardTeStMethodforConductingWetSand/RubberWhee1.AbrasionTestsForthepurposesofthisdocument,thefo1.1.owingtermsan

15、ddefinitionsapp1.y.ISOOn1.inebrowsingp1.atform：avai1.ab1.eathttps:/www.iso.org/obptestpiece,s1.ossinvo1.umeduringthetest3.2wearcausedbyanabrasivemateria1.onarotatingsurfacecontactingthetest-piecesurfaceunderpressure4Princip1.eThetestusesarotatingwhee1.againstwhichtestpiecesarepressed.Abrasiveisintro

16、ducedbetweeneM1.atf1.riuisthetestpiecetocauseabrasiontothetestpiece.5.1 Testpieces5.1.1 Overa1.1.sizesTestpiecesaretypica1.1.y1.argerthanthecontactareawiththerotatingwhee1.andaretypica1.1.yWbnmcontaif1.dwhw2mtiro23temaiifeThe6et11iHnfp(iesitafevectaBiedittowIiantsfortheastaeRarReference1)useatestpie

17、cewithac1.ear1.ydefinedcontactshapeandsizewheretheweartakesp1.aceacrosstheentirecontactfaceofthesamp1.e.Thethicknessofthetestpieceisnotimportant,as1.ongasitissufficient1.yrobustandtheweartakesp1.aceentire1.ywithinthetestpiece.Whencoatedsamp1.esaretested,thetestdurationisnorma1.1.yadjustedtoensuretha

18、tthewearoccursexc1.usive1.ywithinthecoating.Thiscanbedeterminedbypost-testexamination.5.1.2 SurfacefinishThesurfacefinishofthetestpiececanaffecttheresu1.tsofthetest.Thus,thepresenceofasurfacethat祐TwMkUI1.eddmIiWSSiVCPrVfKHatih中roce3sm,te8yeKQfriihigeh讪titUUVirMtraiCdnqbrs由ttmsenceofthesesurfaceregio

19、nsarewornaway,thewearrateisexpectedtoapproachthenorma1.va1.ueforthemateria).5.2 AbrasiveThetestabrasivesha1.1.beobtainedfromaconsistentsourcewithgoodqua1.itycontro1.procedures,toensurethatvariabi1.ityinitspropertiesisminimized.Itiswe1.1.knownthattheresu1.tsofabrasiontestingdependcritica1.1.yonthesha

20、pe,sizeandsizedistributionoftheabrasive.Forthisreason,ifitisimportanttocomparetheresu1.tsofonetestwithanother,thesameabrasiveshou1.dbeusedinthetestsconcerned.Itisimportantthattheabrasivebedryandfreef1.owingtoavoidb1.ockageofthetestsystem.Themoisturecontentoftheabrasiveshou1.dbe1.essthan1%bymass.Them

21、oisturecontentcanbe病JWM&叼慵1.f1.麻虫三的/tingmd俵W瓯nec毁Tr丽前0i1.hgbeade蛇颔的。刖钝淞hing.ASTMB611usescoarsea1.uminaasanabrasive,andASTMG65andASTMG105usesi1.icasand.For的bherRjptearye1.astomerspedfindatiyASTMB6!1andch1.orobuty1.rubberorneoprenerimmedwhee1.swithaShoreADurometerhardnessasspecifiedinASTMG65orinASTMG1

22、05sha1.1.bused.PO1.卿被R破脚依曲将ftrti的砒如称ii网即羔&曲蚪MMtfaksh曲加*foted谢Ve-specifiedrubber,significantdifferencesinresu1.tscanoccurindrytests,possib1.yduetoa1.terationofmechanica1.propertiesre1.ativetothoseoftherubberduetoheatingbytheabrasionprocess.5.4.2 W1.iee1.sizeThewhee1.specifiedinASTMG65hasadiameterof22

23、8.6mrnandafacewidthof12,7mmandinAsTMSe1.IritJipISawhtchhaE由hoffftt9mR3id4rtrtwn畸siZIttoHrteareThcpeGBtmiicntKbCjKMnSotherwise,thespecifictestconditionsintheSTMstandardsshou1.dbeused.Fortestswhichuserubbere1.astomerrims,suchasASTMG65,thethicknessoftherimshou1.dbe12,7mm.Again,iftherearenospecia1.reaso

24、nstochooseothc11ise,theASTMG65conditionsshou1.dbeused.Thewhee1.issubjectedtodamageduringthetesting,andshou1.dbecheckedperiodica1.1.y.Ifsignicantdamagehasoccurred,thewhee1.shou1.dberep1.aced.Theovera1.1.diameterofthewhee1.shou1.da1.sobe独制*eit触recommendedamount(12,7mmforSTMG65and4mmThe11bberwhee1.shou

25、1.dbedressedaccording1.ybeforeeachtest.跳与联期andFi跚gJ1区由点所此8Ht6rtegu1.ar,ff1.nwhefi)11taWo11ateafff1.三1.三ibyexamininga6Apparatus6.1Summaryofapparatuses(testsystems)Theschematicsoftypica1.testsystemsareshowninFigure1.Twovariantsareshown.Variant1(seeReferenCeS(SeeReferencewherewheretestpiecepiecehorizon

26、ta1.vertica1.1.ypressedpressedintotopedgeofwhee1.,whee1.NOTEExamp1.esOfVariant2testsystemsaretheASTMB611testandtheASTMG65test.Theabrasiveisfedfromahopperintotheabrasive-feedsystemandthenceintothecontactbetweenthetestpieceandrotatingwhee1.ffhmbrstingctinrtrt1.mricnais(bbtitriH1.itatadrtirtIwtapb1.yof

27、f1.uidjustinfrontoftheabrasivefeed,orbyb)Withvertica1.testpiece2weight3samp1.e4s1.urrybath6 f1.uidfeed7 feedchute8 abrasive-feedmechanismWTfofSupwiyasivtnoHM4rfrin1.帕Smfm用6i11miBnWd*eanRWbmt守UbrJS1.Vefeedfromahopper.BothFigure1-Schematicdiagramofrotating-whee1.abrasiontestsystemwithhorizonta1.testpi

28、eceorvertica1.testpiece6.2 Abrasive-feedmechanismTheabrasivecanbefedtothetestpiece,respective1.ywhee1.interface,byanumberofdifferentmethods.Theseinc1.udea) avibratingfeed,b) ascrewauger,andc) as1.ottedrotatingdisctocontro1.f1.owcoup1.edwithachute.%第8tia1.feft能制喇徵嘛蛹)dsin榆犯iv第刷三ea击册总WShOW依翎验擀OHedingiv

29、inggoodcontro1.offeedrates.6.3 VacuumextractionItisimportantthat,fordrytests,avacuumextractionsystemwiththeappropriateHSEfi1.tersbefittedgesaUmgHm泌CUjtiWitteddeWHssiteMtheabrasivetestpiecethatCanbeahea1.thriskisco1.1.ectedand6.4 Contro1.ofwhee1.speedSpeedperachievedrecomniendcd)thcensureapp1.ied.ope

30、ration.rotationa1.speedsha1.1.beca1.ibratedperiodica1.1.y6.5Ca1.ibrationofabrasivef1.owmeasured.Thistonorma1.1.yachievedthearrangingthataCtua1.1.ybaff1.esthroughawajfwearingabrasivethatPaSSeSsystems(seeReferencesthesesystems,specifica1.1.ydesignedCanensurcca1.cu1.atcdtheabrasivef1.owratecancompariso

31、nOftoabrasioncoverageCarricdwith-FeHwIaone.rigtoanother,theabrasive-53(?AcCistheabrasivecoveragefigure,incubicmetrespersquaremetreseconds(m3m-2s-);-34QInCrCaSCProCedUreison1.yusefu1.wherecounterfaceiscomp1.iant,sothatthecontactareadoesnot6.6Test1.oadsystemandshou1.dbeeffective1.y.periodica1.1.y(typi

32、ca1.1.yapp1.iedshou1.dbeca1.ibratedbeforeuseofthetest6.7 F1.uidf1.owSimp1.e1.nstrumentationprocedures.SomeOthersystemsresu1.ts,suchcarytheoutabrasiontestsonhardmeta1.s(are),instrmentedwearmeasureiuringtransducermeasuredsuch1.oadce1.1.integratedthemovementann,andtesttneasuredthedisp1.acementISO2021-A

33、1.1.nghtsreservedThewhee1.speedneedstobewe1.1.contro1.1.edwithamotorofadequatepowersuchthatastab1.econstant(onceisyearisindependentofto1.oadstab1.eTheTheabrasivef1.owisdear1.yacritica1.parameterinthetesting.Thisneedstobecarefu1.1.ymeasured.Itisimportantisensurethaton1.ybyabrasiveseriesofpassesdivert

34、theanycontactisdoesnotpassthroughthecontact,sothaton1.ytheabrasivethatdoespassthroughismeasuredbyco1.1.ectingandweighingforapre-determinedperiodandca1.cu1.atingarateofabrasivef1.owrate.Sometestthroughthetestcontact.In1and5J)aretheabrasivef1.owratetobethatbysimp1.eneasuro11cntofai1.theabrasivepassing

35、throughthecontact.Toenab1.eheconvertedabrasive1.oadingtoHefigureoutfrom(1)G=一whereisthevo1.umef1.owrate,incubicmetrespersecond(m3st);Acistheabrasivecoverage,insquaremetres(m2).Thismarked1.yasweartakesp1.acetheduringthetestNorma1.1.y,dead-weight1.oadingisapp1.iedthmugha1.ever-armsystem.However,othert

36、ypesof1.oadingcanbeusedcheckedTheactua1.1.oadonceperyearorevery200tests).Insystemsfittedwithaf1.uidfeed,thef1.owratesha1.1.beca1.ibratedbeforeuse.Thisisnorma1.1.ydoneby6.8 gravimetricstoretestusedtoasfrictionforce(f),norma1.forceFnanddepthofto(D),andthetestrun.cquisitionOfmeasuredva1.uesiscarriedout

37、bymeansofappropriatesigna1.conditioning,anana1.ogue-to-digita1.converter,puter.件ismeasuredbyasuitab1.ymounted1.oadce1.1.,Fnisp1.acedinbyawayastomonitorinthe1.everoftheDiswhce1.intobysamp1.e.Anexamp1.eofatestsystemthatincorporatesthesefeaturesisshowninFigure2.1 bucketwhee1.2 supp1.yvesse1.3 1.inearbe

38、aring4 weightand1.everarm5 1.oadce1.1.s6 disp1.acementtransducer7 samp1.e8 rotatingwhee1.9 f1.owmeter,Water.啊IheWkb即MiXnrnSfsc;(ate*IStandardsG6SandB6117Preparationoftestpiece7.1Test-piecec1.eaningThetestpiecesha1.1.bec1.eanedbeforep1.acinginthetestsystembyc1.eaningu1.trasonica1.1.yinacetone物210TFpi

39、eceweighing?港Test-sAi1.edetysW1.neasuredbeforethetestwithaba1.ancethatcanmeasureto0,1mg.Thetest-samp1.edensitysha1.1.bedeterminedinaccordancewithISO3369.8Procedure8.1Genera1.Eithertestscanbecarriedoutwithasing1.estepofare1.ative1.y1.ongduration,oraninterruptedtestbMveencaritp.withanumberofabrasionstepsofshorterduration,withthetestpiecereweighedTheintenupteitestcanbeusefu1.todetermineiftransitionsinwearareencountered,forinstance,due和9吸r耀&陶旭利脸岫眄Sn话婚Hity1.eaningandreweighingprocessatthetheiK隔jed黯盟现都缺M幄阍t色wever,mpossibi1.ityisduetothedisturbanceofthesurfaceduringthec1.eaning