ISO 04631-2023.docx

INTERNATIONA1.STANDARDISO4631editionFirSt2023“1Corrosionofmeta1.sanda1.1.oys一Measurementofthee1.ectrochemica1.critica1.1.oca1.izedcorrosionpotentia1.(E-C1.CP)forTia1.1.oysfabricatedviaadditivemanufacturingmethodinsimu1.atedbiomedica1.so1.utionsCOPYRIGHTPROTECTEDDOCUMENT©ISO2023IUirhM*hedbdi1.iUedotherwiseupdhi.o啪InyM1.tta0Dmk<nroni(ncm11ni10tf1.*Mqn1.C6pW11opypMRationmaytheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbe1.oworISO'smemberbodyinthecountr)oftherequester.f),WV>fifiU81.andonnet8CH-1214Vernier,GenevaPhone：M1.227490111觥ftte:丽丽BQrgPub1.ishedinSwitzer1.andContentsFnrpwnrdPageivIntroductionScone.V11.Normativereferences13Termsanddefinitions145Princip1.esJ35.1Potentiostat5.2Heatingbathwithtemperaturecontro1.1.er_.3363SQeCinttt0CIJC1.re"CrnCv.367.7esrvCT!ToderandCOnneetro1.TS5.5Auxi1.iarye1.ectrodeandreferencee1.ectrode4Testso1.utions.448Procedure8.1Preparationofreferencee1.ectrodess58.2Preparationofbiomedica1.AMTia1.1.oyspecimenS98.3PrepQgatiDntMEseiiQftQest8.5EndingtestExaminationandeva1.uation-.65610Teqrpnnrt7AnnexA11nrmative)Va1.idityoftheE-C1.CPbythecorre1.ationbetveenE-C1.CPand98ForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsthtiugh(ISOtchn0ibd>ni)t盟KWCekUWIMMpbringbodyIi1.tf1.raaM±f>tandrittfowt1.rcart>ed)11mitteehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO.a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenanceare狐制岫1搬OfISO雇附胸IVeS输同加部间ter0rdanceJRhtheeditoria1.ru1.esoftheISO/IECDirectives.Part2(seewwwjso.org/dircc1.ives).而解熊nts)a%WMakeS幽嬲据i帆n冰腿榔精涵崛胸戚mm腑酶邺WMedaimedpatentrightsinrespectthereof.Asofthedateofpub1.icationofthisdocument,ISOhadnotreceivednoticeof（八）patent(三)whichmayberequiredtoimp1.ementthisdocument.However,imp1.ementorsare懈怖翻琳躺/mj，wWjSOQFg/眸IentS洗蝮油那ion,扁所柏SPO虑袂岫油嬲部忸t躲Ora"suchpatentrights.Anytradeusedinthisconstitutenameendorsenent.documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsand隘邈蛔豳酒侬遮W即辆O)assEif1.眦聚inwe帼s宛嘛丸nBar泄机JSdead曲跳CS槐ur¼11isaorgiso/foreword.htmI.ThisdocumentwaspreparedbyTechnica1.CommitteeISO/TC1561.Corrosionofmeta1.sanda1.1.oys.AnyfeedbackorquestionsonthisdocumentShaUIdWdimU4¼U041.uwwnatk>na1.standardsbody.Acomp1.ete1.istingofthesebodiescanbefoundatwww.iso.org/members.htm1.IntroductionuniqueCombinationhavehighstrength,moreWidespread1.owerdensity,rangeoutstandingcorrosionresistance.competingstain1.essstee1.s.andisWe1.1.thusestab1.ishedthatbiocompatib1.e.exce1.1.entCorrosionconventiona1.1.ymethodo1.ogyhasgainedWor1.dwidcofattcntionstar1.ing,waymateria1.costsandimproveefficiency.Comparingmanufactringprf1.ucedbybecauseofunknown,parab1.etothoseresistanceconventiona1.1.ya1.1.oysStandardsbyshou1.dmethods.howthiseva1.ua1.ethemeasurement1.oca1.izedCorroSk)IW1.eCtnKhCmiCa1.method1.oca1.izedcorrosionpotentia1.temperatureScanintroducedtesting.Therefore,e1.ectrochemica1.ga1.vanostatic-potentiostaticpo1.arizationprocessesande1.ectrochemica1.po1.arizationce1.1.isusedinthe2023-A1.1.rightsreservedTia1.1.oyssuchasTi-6AI-4Vareconsideredtobethemostpromisingbiomedica1.materia1.s.Duetoatheirapp1.icationsofbecome1.owmodu1.us,inawideandofindustries,e.g.aerospace,automobi1.e,marineandbiomedica1.fie1.ds.Especia1.1.ythemedica1.gradeTia1.1.oysarcimp1.antedinpatientswor1.dwideeveryyearanda1.sohaveasignificant1.yhigherstrengthtoweightratiothana1.1.bodyidsandtissueItarecomp1.ete1.yTia1.1.oysIiaveTheseTia1.1.oysareresistanceproducedbywroughtorcastprocesseswhicharethesubtractivemanufacturing(SM)methods,butrecent1.ythenewadditivemanufacturing(AM)methodisemerging,ca1.1.ed"3Dprinting*.ThisnewSMwithAM,therat100fthemasstherawtocutthemassofthefina1.,finishedpartcanbeashighas20:1.Intermsofmechanica1.viewpoint,bothstrengthandducti1.ityofTia1.1.oyssuchasTi-6AI-4VfabricatedbyAMarecomparab1.etoorabovetheirpropertiesmadebyconventiona1.ofTia1.1.oysmethods,AMissti1.1.theirUniquewhetherHowever,ofthecorrosionmanufacturedTia1.1.oysornot,becauseoftheirdefectssuchasporosity,theformationofmartensitephaseresu1.tingfromtherapidso1.idification,anddirectiona1.differencewiththestacking.Therefore.thenewroducedAMbemadeFortouse,resistancetomethodsuchasonstackedcritica1.1.oca1.izedco11osiontemperature(E-C1.CT)hasbeenadopted