ISO 04773-2023.docx

INTERNATIONA1.STANDARDISO4773editionFirst2023-10Non-destructivetestingU1.trasonicguided-wavetestingusingthephasedarraytechniqueEssaisnondestructifsEssaisparondesU1.trasonoresguidesUti1.isant1.atechniquemu1.tie1.ement©ISO2023COPYRIGHTPROTECTEDDOCUMENT©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.andContentsPageForewordWIntroductionv2 Scope13 Normativereferences14 Termsanddefinitions15 Personne1.requirements16 Princip1.esofphased-arrayguided-wavetesting2Testequipment26 .1Genera27 .2Testinstrument37Periodica1.checkofthetestequipment.一.一.47.1 Periodica1.checkoftheinstrument47.2 Periodica1.checkofprobe41.8Testprocedure48.1 Genera)48.2 Pre-requisitesforobject58.3 8SttingCotthc<9BirabprocSSforprobesetup58.3.2 Settingofsensitivityandrange58.3.3 SettingofDACandTCG6ME忸璐闻曲啾0s69 8.6Performingthetest7Eva1.uatingthetestresu1.ts89.1 Genera1.810 9.2Procedure8Testreport8AnnexA(normative)Check1.istforthetestingwithu1.trasonicguided-waves10Bib1.iography18ForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsttiugh(ISOm11tambif1.i>niKhvcekdHPfff1.PbbGgbOdy1.Iitf1.CIrattod6tand)Gfcnowhtdarred¾Mt2committeehasbeenestab1.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.opthisdocumentandthoseintendedforitsfurthermaintenancearedyiFFHSOfISO雇etW1.kes,s姗抬”not1.f1.fcfcww1.蝌闾IC嚓COrdanCeftfitheeditoria1.ru1.esoftheISO/IECDirectives.Part2(seewwsv.iso.org/direc1.ives).假)(¾撇nts)a鹤田MakeSt三嬲据i帆n曲teB瞄硼8硒ffiHFtm聊栖的野榴IVQdaimedpatentrightsinrespectthereof.Asofthedateofpub1.icationofthisdocumentISOhadnotreceivednoticeof（八）patent(三)whichmayberequiredtoimp1.ementthisdocument.However,imp1.ementorsare懈怖翻琳躺/mj，wWjSOQFg/眸IentS曲舐砒ion,扁照Ospon蜘3i胸腿搬册醐魄Ora,1suchpatentrights.Anytradeusedinthisconstitutenameendorsenent.documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsand幽幽蛔豳酒侬遮W即辆O)assEif1.眦聚inwe帼"1.吼。nBar池帆四dead朝乩CSvbr¼11isoorgisoforeword.htmI.骑8御牌¥能WaS明淞吼幅5ng.Technica1.CommitteeISO/TC135,Non-Ciestructivetesting,Anyfeedbackorquestionsonthisdocumentshou1.dbedirectedtotheuser'snationa1.standardsbody.Acomp1.ete1.istingofthesebodiescanbefoundarwwwGF7embe¾4um1.IntroductionToimproveguided-wavetests,coveragewi1.1.beextendedfromabove-groundtoundergroundfec1.irtQtoyndNbtiobteta11trifeestruNjriphusufdweHiMfcwsoQidttdUrtf1.ivom1phfecbwraytheconventiona1.sing1.e-e1.ementtechniqueareimprovementsinthesigna1.-to-noiseratio(SNratio)andinthetestingre1.iabi1.ityinharshenvironments1.ikeburiedorcoatedpipe1.ines.A1.。W喊信山妒附把他1曲期却剑丽曲我拈蛹梦曲f11MM4esd怅MH照除曲碗种Bha1.overcomethisissue.Beamfocusingandsteeringwiththepropermodese1.ectionisakeybenefit.©ISO2023-A1.1.rightsreservedNon-destructivetestingU1.trasonicguided-wavetestingusingthephased-arraytechnique1Scopeofinaccessib1.estructures,inc1.udingburiedpipe1.ines.Furthermore1Thisdocumentprovidesofoptimizedprocesstophased-arrayguided-waveinaccessib1.e1.ocationbasedinaccessib1.etype,1.ocation,andadjustmentsmadeprocessbeampatternconsiderationfocusnumbercircumferentia1.arrangementinterva1.sofagivenarrayprobe.constitutesrequirementsaredocument.Fordatedinreferences,on1.ySomeeditiona1.1.citedapp1.ies.contentISO5577,Non-destructivetestingU1.trasonictestingVocabu1.aryusingguided-waveNon-destructivewithtestingGuided-wavetestingofabove-groundpipe1.inesandp1.antPiping3 Termsanddefinitionsapp1.y.ISOOn1.inebrowsingp1.atform：avai1.ab1.eatMtpsyywwwjso.OFgZobp4 Personne1.requirementswithISO9712(1.eve1.1withanadditiona1.6-monthtraining).Thisdocumentspecifiesaconceptofapp1.icationofphased-arrayguided-wavetestingforvarioustypesMateria1.sconsideredarecarbonstee1.andstain1.essstee1.Thisdocumentdoesnotinc1.udeprincip1.esandcriteriaforundergroundfaci1.itiesandthephased-arrayu1.trasonicguided-wavetestingscheme.pipecases.thisconsistsguidanceontheuseofdrawre1.iab1.etestresu1.tsontestingforvarioustypesofinaccessib1.estructures,inc1.udingburiedpipe1.inesmadeofcarbonstee1.andstain1.essstcd.Themethodo1.ogyout1.inedinthisdocumentinc1.udesanoptimizedprocessforachievingre1.iab1.etestresu1.tsononthedefectpipecases,withfrequency.Thetothea1.sotakesintooftheGWsthedistributiondiagramoftheguidedwavesandthecharacteristicsofthese1.ectedmode,withoptima)focusingandsteeringachievedbyadjustingtheexcitationtimede1.ayforeachtransducerbasedonthe2OfNormativereferencesThefo1.1.owingdocumentsofthisreferredinthetextsuchawaytha1.theoroftheirForundatedreferences,the1.atesteditionofthereferenceddocument(inc1.udinganyamendments)app1.ies.ISO9712,NondestructivetestingQua1.ificationandcertificationofNDTpersonne1.ISO18211,testingaxia1.propagationISO23243rNondestructivetestingU1.trasonictestingwitharraysVocabu1.aryForthepurposesofthisdocument,thetermsanddefinitionsgiveninISO5577rISO18211andISO23243ISOandIECmaintaintermino1.ogydatabasesforuseinstandardizationatthefo1.1.owingaddresses：IECE1.ectropec1.ia:avai1.ab1.eathttps:/www.e1.ectropedia.org/Thepersonne1.performingphased-arrayu1.trasonicguidcdwavctestingsha1.1.bequa1.ifiedinaccordanceIfiSO9712isnotapp1.icab1.etoaspecificsituation,suchasincasesWhCrethere1.evantindustria1.sectorhasestab1.ishedotherequiva1.entstandards,thosestandardssha1.1.beusedinstead.©ISO2023-A1.1.rightsreservedThepersonne1.sha1.1.betrainedontheuseofthespecifictestequipmentdifferencesbetweentheavai1.ab1.esystemsanddiagnosticapproaches.becausetherearesignificant5Princip1.esofphased-arrayguided-wavetestingThephased-arrayguided-wavetestingisatechniquethatenab1.esfocusingandsteeringofu1.trasonicbetvw<hy切VgheUj加HnahIAftjUghfoigde1.aySteeringofu1.trasonicbeams.PreViOU中,showninFigurethe1.>1.kavesimi1.arprindp1.eapp1.iedSyntheSiSguided*wre1.iabi1.ityandtestsigna1.sofguided-waveu1.trasonictesting.Thephased-anayprobeisdividedintotorsiona1.-modeandmu1.ti-modemodu1.es(torsiona1.1.ongitudina1.),andeachmodu1.eisconnectedtoamu1.ti-channe1.instrument.Themu1.ti-channe1.modu1.esareoperatedsequentia1.1.ywithtimede1.ay,focusingandsteeringtheu1.trasonicbeamtothevo1.umetobetested,2 testobject3 imperfectionFigure1-Schematicshowingthedifferencebetweentheconventiona1.phased-arrayu1.trasonictesting(UT-PA)andthedescribedguided-wavetesting;a)Conventiona1.UTPA;b)Describedguided-waveUT-P.6Testequipment6.1 Genera1.Thepu1.se-echomodeorpitch-catchmodetechno1.ogysha1.1.beused.Theinstrumentsha1.1.a1.sohaveadevicetodisp1.ayandrecorddata.©ISO2023-A1.1.rightsreservedForcoveredtestobjects,thefo1.1.owingproceduresha1.1.beapp1.ied:a) determinethemaximumpossib1.edistancefortestingaccordingtothecoveringenvironment;b) dismant1.ethecoveringmateria1.andremovetheburiedsoi1.toinsta1.1.theguided-wavearrayc) secureaccessspacefortheoperator;d) secureaccessspaceforequipment,equipmentinsta1.1.ationandinitia1.SoftWareoperationchecks；e) preventinterferenceoftheinitia1.diffuse1.yref1.ectedsigna1.inthesoundfie1.dneartheguided-waves.6.2 TestinstrumentThetestinstrumentsha1.1.beab1.etoperformthefo1.1.owingfunctions:a) togenerateandreceivepu1.sesinafrequencyrangeof20kHzto1000kHz;b) oneormoreofthefo1.1.owingguided-wavemodes:1.ongitudina1.guided-wavemode;torsiona1.guided-wavemode；C)afocusingfunctiontoa1.1.owspecifictestingofsuspectedareas；<i)syntheticfocusing：e)fosing:1)de1.iberateconcentrationofguided-wavemodesatasing1.ecircumferentia1.andaxia1.position.2)出£丽感gan厢R0R8d祖悦dbBJB虱B梅IYto(gjfft做愉封RgyatadWfiR施1.三汨曲剧positionontheobject.Thisenhancessensitivityandspatia1.se1.ectivity.Toachievethis,thedataco1.1.ectionprocessneedstoberepeatedforeachaxia1.and1.atera1.positionofinterest.1.3 Probea) Probesfortransmittingandreceivingsigna1.ssha1.1.beab1.etotuneproperguided-wavemodesinapipe.b) Whenusingmorethantwoguided-wavemodes,thewavemodessha1.1.beapp1.iedtotestobjectseparate1.y,notsimu1.taneous1.y.c) F3eSne1.tiiuehthnit1.ifMwn碑y也1阻的矽01HnkOOftiktSh明加ft故HcfakV眦s.onecontinuousd) Otherfrequenciesmaybeusedforspecia1.izedtestsspecifiedinthetestprocedure.1.4 Environmenta1.requirementsThefo1.1.owingenvironmentssha1.1.beconsidered：a) RiPR6urface,1.f1.M出IiRef1.*V0Mm.dbethmaterirfI1.jItR短Ibtia1.h假冲BU1.materia1.stheb) forburiedtestobjects,soi1.qua1.ity,earthpressure(pressivestrengthofsoi1.andpipes,buriedperiod),moisturecontent,1.engthandareaofburiedsite;c) SHcfex1.r即(M骸SMiI1.hQndhtriHigh1.piPiPc.orcurvedpipe,numberofe1.bowpositions,positionof7 Periodica1.checkofthetestequipment7.1 Periodica1.checkoftheinstrumentTheinstrumentsha1.1.becheckedevery12monthsbythemanufactureroraqua1.ifiedtest1.aboratory.Afterrepairsfo1.1.owing:andwhenanewsoftwareversionis1.oaded,achecksha1.1.a1.sobeperformedonthea) powercapacity；b) pu1.serfrequencyandamp1.itude;c) receiverinputimpedance；d) DAC(distanceamp1.itudecurve)；e) 1.inearityofTCG(time-correctedgain).7.2 Periodica1.checkofprobePerformavisua1.checkoftheprobe.Ifthereisadamage,rep1.acetheprobe.Avisua1.andfunctiona1.checkoftestinghardwaresystemisrequired.Theperiodica1.checkssha1.1.beperformedaccordingtoISO18563-3.7.3 Checkofthecomp1.etesystemsettingThesettingofthesystemsha1.1.beperformedbydefau1.tusingpipesinservice.Basedonthecheck1.istinAttneX4itsha1.1.becheckedbeforeandafterthetest.Thefo1.1.owingprocessessha1.1.beperformed.a) Theintegrityofaprobesha1.1.beverified.b) Thecheckssha1.1.takeintoconsiderationthepositionsofthewe1.dment,branchandcoup1.ingzoneofthetestobject.c) Systemconfigurationandsettingarerequiredforeachtesting(inc1.udingaseriesofsimi1.artests)andforsystema1.terations.7.4 Recording1.eve1.Therecording1.eve1.sha1.1.a1.waysbemorethan6dBabovethenoise1.eve1.8 Testprocedure8.1 Genera1.Thetestprocedureinc1.udesthefo1.1.owingsteps:a) preparationoftesting；b) probetestposition；c) dataco1.1.ection;d) datainterpretation；e) detectionsensitivity;f) visua1.confirmation.8.2 Pre-requisitesforobjectThefo1.1.owinginformationonthetestobjectsha1.1.beprovidedasaminimum:a) materia1.diameterandthickness;b) c1.earanceofthepipe;C)we1.dingtreatment,c.g.circumferentia1.1.y,axia1.1.ywe1.ded,he1.ica1.1.ywe1.ded;d) expectedtestrangeofthepipe;e) pipeconfiguration(buried,coated,bends);f) probearrangementontestobject;g) informationonpipesupport;h) conditionsofpipesurface(insu1.ation,coating);i) f1.uidf1.owrateinpipe;j) temperatureofpipe;k) 1.imitationsoftesting；l) 3克佳1.htirftfA碗equipment8.3.1 Coatingremova1.processforprobesetupForthepurposeofsettinguptheprobe,I1.ieprocessofremoving1.1.iecoa1.ingofthesettingregion,anon-meta1.1.icpaintandepoxyupto1mrnthickness,maybeused,as1.ongasitiswe1.1.-bonded.8.3.2 SettingofsensitivityandrangeThemainparametersthatgovernthepropagationofguided-waveare: generatedwavemode(eg.(0,1.),7,1.); testfrequency; pu1.sebandwidth(detenninedbytheexcitationpu1.sedurationandshape); pu1.serepetitionfrequency.Whenfo1.1.ows.nobasicguide1.ineexistsforthesettingoftheinstrumenttheminimumrequirementsareasa) Thefrequencyandbandwidthsha1.1.matchthespecificguided-wavemode,re1.atedtothepipegeometryandeva1.uationprocessing.b) Thepu1.serepetitionfrequencysha1.1.bechosenconsideringtheattenuationofthepreviouspu1.seamp1.itude.Thepreviouspu1.seamp1.itudeofthewavepacketsha1.1.beattenuatedaszero.©ISO2023-A1.1.rightsreservedc) AahIUfib(Ji(MIDS*IuiiHtOHonumPatisibhM比域国IAiadiuihaiwg1.iuu1.1.frequencyfi1.teringtobe8.3.3SettingofDCandTCGThesettingofDACandTCGsha1.1.beperformedaccordingtothefo1.1.owingprocedure.a) MhHh(fdjsccttftcvithreB(xnff1.hanReopriateref1.ector,suchasaf1.angeoropenend,itb) Intheabsenceoff1.angesoropenings,oneormorecircumferentia1.we1.dsinthetestrangesha1.1.beusedforsetting.c) Thenomina1.wa1.1.thicknesssha1.1.bebetween6mmtoinc1.udequarterinchmateria1.and13mm.d) Theref1.ectionatacircumferentia1.we1.dmaybeconfirmedbya20%sectionchange.e) ifpossib1.e,thewe1.dcapshou1.dbetestedtoachieveapreciseva1.ueofthesectionchange.0IfsCi¾¾潴扉野“eref1.ectionatacircumferentia1.we1.dmayberep1.acedbytheref1.ectionofa20%g) Toestab1.ishDCorTCGwithrespecttothestandardamp1.itude,aguided-waveattenuationfactorsha1.1.bespecifiedbyconsideringthedistancea1.ongtheaxis.h) Norma1.tothepipeaxis,themachinedsurfacedefinesa100%sound1.eve1.,i.e.0dBinthe1.ogarithmicdecibe1.system.3W%WndscZrriW3ntia1.we1.dwitha20%sound1.eve1.correspondsto-14dB;andthe5%sound1.eve1.8.4C1.assificationofsigna1.sThec1.assification1.eve1.sarei1.1.ustratedinFigure2.Threecategoriesarespecified:Category1signa1.sbetweenthe-26dBcurve(5%curve)andthenoise1.eve1.(2,5%curve);Category2signa1.sbetweenthe-20dBCUrVe(10%curve)andthe-26dBcurve(5%curve)：Category3signa1.sbetweenthe-14dBcurve(20%curve)andthe-20dBcurve(10%rve).Xdistanceinm1curve14dB2 curve-20dB3 curve26dB4 we1.dsigna1.signa1.InmVIIcategory1jcategory2catcgor>r3Figure2-Examp1.eofDACcurvesandcategories8.5Periodica1.checkofsettingsIfaguided-wavesystemsetupischanged,thefo1.1.owingpointssha1.1.beproper1.ycheckedandadjusted.a)toWHxW<t3erIhctMWmchMgMvrt®汕班db6晚咏V时Sctti1.械basictestobjectb)Checkwhetherthese1.ectedmodeandfrequencyarewe1.1.generated.6HwfrttWfetfrfi1.eforequipmentoperationprocedurestandards.Thep1.acingoftheprobessha1.1.bedoneaccordingtothefo1.1.owingprocedure.a) Thepositionoftheprobesha1.1.beatthecentreofthetestobjectorattheendofits1.ongitudina1.axis.b) IbtfmahfteU1.Mi1.iujvcr,pn>bktincrn0te1111arfi1.ddkst6>(jdeiI-Maiiga11rninisSigna1.proper1.yc) Whenattachedstructuresexistwithinthenearfie1.d,theprobesetsha1.1.bepositionedonthetestobject,asfarawayaspossib1.efromthesestructures.d) Whenp1.acingprobesbetweenwe1.dregionsorovertwoattachedstructures,theysha1.1.notbemountedover1.yc1.osetotheregionstoavoidthenearfie1.deffect9)EVQitI跳ihg4hMsiticKesuJiS1.eansurface.9.1 Genera1.Nota1.1.ref1.ectedsigna1.sindicateimperfections,e.g.apipesupport,girthwe1.dingzone,c1.ampingzone,branchandrug.Thedepthandcircumferentia1.extentofanimperfectionandtheaxia1.soundpathaffectthegided-waveref1.ectionfactor.9向fPbvtadt()feectionisthevariat