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1、INTERNATIONA1.STANDARDISO1143editionThrd2021-07Meta1.1.icmateria1.sRotatingbarbendingfatiguetestingMatiriauxmeta1.1.iquesEssaisdefatigueparf1.exionrotativedebarreauxISoR晒邛娜O?财OISO2021COPYRIGHTPROTECTEDDOCUMENTISO2021岫rkdea/山thUcdOthcnviscjftc三orrtmcehDVBiwixuioiti08phnn11UatiocBhrhotocp)Mng,ptbcaton
2、postingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanherequestedfromeitherISOattheaddressbe1.oworISsmemberbodyinthecountryoftherequester.%,tft晒Iandonnet8CH-1214*crnicr,GenevaPhone：M1.22749O1.11Pub1.ishedinSwitzerhndContentsforeword2ScopeCNormativereferences113Termsanddcnitions
3、14Symbo1.s256Princip1.eoftestShapeandsizeofspecimen236.1Formsofthetestsection.376.2DimensionsofSDecimens8Preparationofspecimens7.1Genen)Ig7.2Se1.ectionofthespecimenandmarking._.87.3jhiningHcatRniK盟RAucekdHpfff1.QbbGgbodyIcommitteehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internati
4、ona1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintena
5、nceare。智SFR幽of1.SOIEC(M1.槐notrttH邻MMfergCCOrdanCe酚Fhtheeditoria1.ru1.esoftheISO/IECDirectives.Part2(seewww.iso.org/direc1.ives).时歌ionrightsd般掂棚15脚蝴橱卿SnSi嘏趣附部初g刑由iod三棉期山物监ssubjectofanypatentrightsidentifiedduringthedeve1.opmerUW4ioumwVw41.beintheIntroductionand/orontheISO1.istofpatentdec1.arationsrec
6、eived(seewww.iso.org/pa1.ents).Anytradeusedinthisconstitutenameendorsement.documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsand哪蝴蜘明瓶ationc。的福P奥央融Mthe可般IIi潴称小牖ticn南版淮IS1.华哂瞬聊硼isoforeword.htn1.?报才知盟储redhPfur肝Jchni
7、ca1.Sug力“法正8%mittue.ISO/TC1641.Mechanica1.testingOfmeta1.s1.Thethirdeditioncance1.sandrep1.acesthesecondedition(ISO1143:2010),whichhasbeentechnica1.1.yrevised.Themainchangescomparedtothepreriouseditionareasfo1.1.ows:AnewCause43,Measurementuncertainty,hasbeenadded;anewAnnexB,Examp1.eofatestreport,has
8、beenadded.A三Mb出用电眩&四fihsUW1.ics1.h1.scah8X切RRwtoembe三nationa1.standardsbody.AMeta1.1.icmateria1.sRotatingbarbendingfatiguetestingWARNINGThisdocumentdocsnotaddresssafetyorhea1.thconcerns,shou1.dsuchissueseisthatmaybeassociatedwithitsuseorapp1.ication.Itistheresponsibi1.ityoftheuserofthisdocumenttoest
9、ab1.ishanyappropriatesafetyandhea1.thconcerns,aswe1.1.astodeterminetheapp1.icabi1.ityofanynationa1.or1.oca1.regu1.atory1.imitationsregardingtheuseofthisdocument1ScopeThisdocumentspecifiesthemethodforrotatingbarbendingfatiguetestingofmeta1.1.icmateria1.s.Thetestsareconductedatroomtemperatureore1.evat
10、edtemperatureinair,thespecimenbeingrotated.Fatiguetestsonnotchedspecimensarenotcoveredbythisdocument,sincetheshapeandsizeOfnotchedspecimenshavenotbeenstandardized.However,fatiguetestproceduresdescribedinthis2dN*fPfHteSfatiguetestsofnotchedspecimens.赚取Ift图学则*3hisrqfettftent.随话d1.nref否台领1/a网忡Uediabn加1
11、.p1.iesJftentundatedreferences,the1.atesteditionofthereferenceddocument(inc1.udinganyamendments)app1.ies.招即胆机撇U席:materia1.sCa1.ibrationofforce-provinginstrumentsusedfortheverificationofuniaxia1.ISO1099,Meta1.1.icmateria1.sFatiguetestingAxia1.force-contro1.1.edmethodISO12106,Meta1.1.icmateria1.sFatig
12、uetestingAxia1.-strain-controUedmethodISO12107,Meta1.1.icmateria1.s-Fatiguetesting-Statistica1.p1.anningandana1.ysisofdata0整ifts%W述培的WnfgnSMechanica1.testingVocabu1.ary也。f718pQPf*h1to-7.Note2toentry:Sincethesedistancesare1.engthof1.eve1.arm,1.i2三1.4Symbo1.sSymbo1.sandcorrespondingdesignationsaregive
13、ninTab1.e1Tab1.e1Syrmbo1.sSymbo1.DesignationUnitDdDiametero1.grippedor1.oadedendofspecimenmm1.MMNrdIVrnmsfromtestdiameter.Sectionrdu1.s5Princip1.eoftestNomina1.1.yidentica1.specimensareused,eachbeingrotatedandsubjectedtoaconstantbendingHWmentca6hevrift”由RmgkepOinthHbaWbjWjt1.ingnu11td(m11ot1111ASteS
14、F1.tH6r(pnbir汨iscontinuedunti1.thespecimenfai1.sorunti1.apre-determinednumberofstresscyc1.eshavebeenachieved,astresscyc1.ecorrespondstoacomp1.eterotationofthespecimen.6Shapeandsizeofspecimen6.1 FormsofthetestsectionThetestsectionmaybea) cy1.indrica1.,withtangentia1.1.yb1.endingfi1.1.etsatoneorbothen
15、ds(see-Fttfes4,-4and5),b) tapered(seeFigure2),orhBgconthi111.fttarwriis网tMyMtHMug。乎uniW斗麻ra1.1.eteH?Rmen1.oa妣WW)由HonSandandii11fficiatedwithdeformationmaythemateria1.bymicro-structura1.a1.terations.Theirinf1.uenceprocedure,especia1.1.ypreferred.toafina1.po1.ishingstage.Forhardermateria1.s,grindingra
16、therthanturningPo1.ishing；removea1.ongfina1.0,025specimenabrasivesofdecreasinggritsize.Thefina1.directionoftemperaturefrequent1.y,surfacere-crysta1.1.ization.hymachining.IteffectbeofamattermakechangetestContaminantsCertainintrodUCedOrCOmPoUndS.mechanica1.ProPertieSiSoftheCertainmateria1.sdeteriorate
17、and7.3.3 Surfaceconditionofspecimenswithoneormoreofthefo1.1.owingfactors: thepresenceofresidua1.stresses; theintroductionofcontaminants.roughnessormaximumComnion1.yirregu1.arities).Theimportanceroughnessvariab1.eequiva1.entresu1.tsobtained0,2isPrefcrab1.etCquiva1.ent).thetestconditions,tospecifyamea
18、nsurfaceroughness,Ra,of1.essthan9Theheattreatmentisgenera1.1.yperformedonaroughmachinedspecimen.Thenfina1.machiningduetotheheatpo1.ishingshou1.dbeIfthatpossib1.e,theheatanyshou1.dbeoftheoutvacuumorininertgastopreventoxidationofthespecimen.Subsequentstressre1.ievingisrecommendedinthiscase.Thestressre
19、1.ievingtreatmentsha1.1.nota1.terthemicro-structura1.characteristicofthewiththeteststudy.Themachiningprocedurese1.ectedmayproduceresidua1.stressesonthespecimensurface1.ike1.ytomayresu1.ts.Thesestressesofbeinducedorheatgradientsthemachiningstageortheyis1.essmarkedintestsate1.evatedtemperaturesbecause
20、theyarepartia1.1.yortota1.1.yre1.axedonceI1.ietemperatureisattained.However,theyshou1.dbereducedbyusinganappropriatefina1.machiningmi1.1.ingmaybeprior Grinding:fromOr1n11nabovethefina1.diameter,atarateofnomorethan0,005mm/pass.po1.ishingsha1.1.bethethetestwithaxis.Thephenomenonofa1.terationinthemicro
21、structureofthemateria1.maybecausedbytheincreaseinphaseor,moreandbytheofstrainhardeninginducedTheimmediatemaythisistooftheinspecimenno1.ongerrepresentativeoftheinitia1.materia1.Hence,everyprecautionshou1.dthereforebetakentoavoidthisrisk.thepresenceofbee1.ementswhentheAnexamp1.eofthiseffectofch1.orine
22、onstee1.sintitaniuma1.1.oys.Thesee1.ementsshou1.dthereforebeavoidedintheproductsused(cuttingf1.uids,etc.).Rinsinganddegreasingofspecimenspriortostorageisa1.sorecommended.Thesurfaceconditionofspecimensinf1.uencesthetestresu1.ts.Thisinf1.uenceisgenera1.1.yassociated thespecimensurfaceroughness; a1.ter
23、ationinthemicrost11ctureofthemateria1.；Therecommendationsbe1.owa1.1.owtheinf1.uenceofthesefactorstobereducedtoaminimum.Thesurfaceconditionisheightofquantifiedbytheofthisoronthe(e.g,10pointdepends1.arge1.yonthetestconditions,anditsinf1.uenceisreducedbysurfacecorrosionofthespecimenorp1.asticdeformatio
24、n.Itm(orwhateverISO2021-A1.1.rightsreserved21There1.ativeforcerepeatabi1.ityerrorisestab1.ishedbyexperimentation,basedupontheabi1.ityoftheoperatorstosetba1.anceissettoadefinedpositiononthestee1.yardsca1.e.Toestab1.ishtoISO376.C1.ass1.0,tobeusedtomeasuretheapp1.iedforceasindicatedbytheforcetransducersystem.Eachoperatorsetsthemachine,fivetimes,tothespecified1.oadonthestee1.yardandaco1.1.eaguethere(X)rdsth。Fmaxrandapp1.iedforce,mm,va1.uesforcewithrespecttobtistheva1.ue.ItisgivenbyFormu1.a(A.3).There1.ativeaccuracyerro
