ISO 04524-3-2021.docx
INTERNATIONA1.STANDARDISO4524-3editionSecond2021-10Meta1.1.iccoatingsTestmethodsfore1.ectrodepositedgo1.dandgo1.da1.1.oycoatings一F照生OgraPhiCtestsforporosityRevetementsmeta1.1.iquesMethodesd'essaidesdepotsdectro1.ytiquesd,oretdtaIIiagesdtorPartie3:Determinatione1.ectrographiquedeIaporositeReferencenumberISO45243:2021(E)COPYRIGHTPROTECTEDDOCUMENT©ISO2021IUirhM*hedbdi1.iUedotherwiseupdhi.orbmtndH0tf1.t×t'oni(nc4nmpe*Mqnrt<ifp5tcopyp>iat<)nmaytheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbe1.oworISO'smemberbodyinthecountryoftherequester.f),WV>fifiHipB1.andonnet8CH-1214Vernier,GenevaPhone：M1.227490111觥曲ite：图洲跳触OQrgPub1.ishedinSwitzer1.andContentsPageforewordiv2 Scope13 Normativereferences14 Termsanddefinitions1Nioximepapertest14.1 App1.icabi1.ity14.2 Materia1.s14.2.2 Neroirabpaper4.2.3 Moistenedb1.ottingpaper11c4.?Procedure2Dve-transfernanertest125.1App1.icabi1.ity25.2Materia1.s2S.2.2DvMrahsferpaperS3Pmfpdure26Dye-transferpapertest237EIectiaO?ranhicPe1.atinefi1.mtest37.17.2Princip1.e,337.2.2GWotin,tcso1.ution7.2.3Dimethy1.g1.yoxime,indicatorso1.ution47.3Testingso1.ution4解鼬腮7.5.1E1.ectro1.yticprocess.4448_:TreStreport5ForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsttiugh(ISOtnnhnfaaibif1.4mj11fRvcekWpfff1.ptafigbodyhitttCTOtif1.KiaiibtanddittetfaoWh叫Imitteehasbeenestab1.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.opthisdocumentandthoseintendedforitsfurthermaintenanceare0f1.S01.EC(VifY1的M51btheeditoria1.ru1.esoftheISO/IECDirectives.Part2(secwww.iso.org/direc1.ives).Anytradeusedinthis时歌Onrightsd般掂棚1n隔嗯出捅算鲫MSi曲箫中用Rw嘏利邠出doc啼岫砧临I国isubjectofanypatentrightsidentifiedduringthedeve1.opmerUW4ie÷wmwVw1.1.beintheIntroductionand/orontheISO1.istofpatentdec1.arationsreceived(seewww.iso.org/patents).constitutenameendorsement,documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsand耀S三嗨鹦滁船Sss三黜哪嫖也崛叫喊M帆豳幡anMeta1.1.icandotherinorganicU明泉加OrRan俱feg悯O1.ass忠Eif1.S皿窿inwJ憎i观SnBa吊2/Mdead焦PAtreS地w¼w.isO.orgisoforewordhtmI.coatings,inaccordancewiththeAgreementontechnica1.cooperationbetweenISOandCEN(ViennaAgreement).Thissecondeditioncance1.sandrep1.acesthefirstedition(ISO4524-3:1985),whichhasbeentechnica1.1.yrevised.加中怜浒曲a118m<dh中arc的由口诩岫汕!西m111hS硼阚tqwscri蚓忖康mSurr即电嬲!曲初KteQQw11ftionsonhasbeende1.eted.A1.istofa1.1.partsintheISO4524seriescanhefoundontheISOwebsite.AnyfeedbackorquestionsonIhiSdocumentSh<HUdbedeUe444>4heMMnatk>na1.standardsbody.Acomp1.ete1.istingofthesebodiescanbefoundatwww.iso.org/members.htm1.Meta1.1.iccoatingsTestmethodsfore1.ectrodepositedgo1.dandgo1.da1.1.oycoatings一ffographictestsforporosity1ScopeThisdocumentspecifiesfoure1.ectrographictestsforassessingtheporosityofe1.ectrodepositedgo1.d2ndMoWratotjvttreifetfoncesengineering,anddecorativeandprotectivepurposes.?hercTermsand<d0ffiWt汕Hpncefnthisdocument.Notermsanddefinitionsare1.istedinthisdocument.ISOandIECmaintaintermino1.ogica1.databasesforuseinstandardizationatthefo1.1.owingaddresses:-ISOOn1.inebrowsingp1.atform:avai1.ab1.eat4u>s/WWWTeGFgebpIECE1.ectropedia:avai1.ab1.eathttps:/www.e1.ectiopedia.org/4Nioxiniepapertest4.1 /App1.icabi1.ityThismethodissuitab1.efortheexaminationofgo1.dcoatingsonundercoatsOfnicke1.ortin-nicke1.a1.1.oy.4.2 Materia1.s4.2.1 Genera1.Duringthetestruseon1.yreagentsofrecognizedana1.ytica1.gradeandon1.ydisti1.1.edwaterorwaterofequiva1.entpurity.4.2.2 NioxiinepaperSoakfi1.terordup1.icatingpaperfor10rnininan8g/1so1.utionOfnioxime(cyc1.ohcxan-1,2-dioncdioxime).Removetheexcessso1.utionbyb1.ottingandhangthepaperuptodry.4.2.3 Moistenedb1.ottingpaperSoakagoodqua1.itywhiteb1.ottingpaperinwateranddryittoadegreethatconsistent1.yproducessharp1.ydefinede1.ectrograms.4.3 Procedure1.ight1.ybrushthee1.ectrop1.atedcoatingtoremove1.oosedustanddebris,thendegeaseitin1,1,1-Irich1.oroethanevapourorothersuitab1.eso1.ventMoistenapieceofthenioximepaper(4.2.2)withwater.Removeexcesswaterbyb1.otting.P1.acethetreatednioximepaperonthee1.ectrop1.atedspecimen(whichactsastheanode).OntheotherfaceofStaiRIorPQ1.三崛e隈piaMnth岛都由斑陆崛&研如嵬曲眦触heassd1.i曲和曲普第anpressurebetweenthenioximepaperandthespecimenisuniformandbetween1.4MPaand1,7MPa.Whi1.eundercompression,passasmoothripp1.e-freed.c.currentfromaso
