1、INTERNATIONA1.STANDARDISO4773editionFirst2023-10Non-destructivetestingU1.trasonicguided-wavetestingusingthephasedarraytechniqueEssaisnondestructifsEssaisparondesU1.trasonoresguidesUti1.isant1.atechniquemu1.tie1.ementISO2023COPYRIGHTPROTECTEDDOCUMENTISO2023IUirhM*hedbdi1.iUedotherwiseupdhi.o啪InyM1.tt
2、a0DmkfifiU81.andonnet8CH-1214Vernier,GenevaPhone：M1.227490111觥ftte:丽丽BQrgPub1.ishedinSwitzer1.andContentsPageForewordWIntroductionv2 Scope13 Normativereferences14 Termsanddefinitions15 Personne1.requirements16 Princip1.esofphased-arrayguided-wavetesting2Testequipment26 .1Genera27 .2Testinstrument37P
3、eriodica1.checkofthetestequipment.一.一.47.1 Periodica1.checkoftheinstrument47.2 Periodica1.checkofprobe41.8Testprocedure48.1 Genera)48.2 Pre-requisitesforobject58.3 8SttingCotthcniKhvcekdHPfff1.PbbGgbOdy1.Iitf1.CIrattod6tand)GfcnowhtdarredMt2committeehasbeenestab1.ishedhastherighttoberepresentedontha
4、tcommittee.Internationa1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedf
5、oritsfurthermaintenancearedyiFFHSOfISO雇etW1.kes,s姗抬”not1.f1.fcfcww1.蝌闾IC嚓COrdanCeftfitheeditoria1.ru1.esoftheISO/IECDirectives.Part2(seewwsv.iso.org/direc1.ives).假)(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.icationofthisdocumentISOhadnotreceivedn
6、oticeof（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.untarynatureofs
7、tandards,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CSvbr11isoorgisoforeword.htmI.骑8御牌能WaS明淞吼幅5ng.Technica1.CommitteeISO/TC135,Non-Ciestructivetesting,Anyfeedbackorquestionsonthisdocumentshou1.dbedirectedtotheusersnationa1.standardsbody.Acomp1.ete1.istingofthesebodies
8、canbefoundarwwwGF7embe4um1.IntroductionToimproveguided-wavetests,coveragewi1.1.beextendedfromabove-groundtoundergroundfec1.irtQtoyndNbtiobteta11trifeestruNjriphusufdweHiMfcwsoQidttdUrtf1.ivom1phfecbwraytheconventiona1.sing1.e-e1.ementtechniqueareimprovementsinthesigna1.-to-noiseratio(SNratio)andinth
9、etestingre1.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-arraytech
10、nique1Scopeofinaccessib1.estructures,inc1.udingburiedpipe1.ines.Furthermore1Thisdocumentprovidesofoptimizedprocesstophased-arrayguided-waveinaccessib1.e1.ocationbasedinaccessib1.etype,1.ocation,andadjustmentsmadeprocessbeampatternconsiderationfocusnumbercircumferentia1.arrangementinterva1.sofagivena
11、rrayprobe.constitutesrequirementsaredocument.Fordatedinreferences,on1.ySomeeditiona1.1.citedapp1.ies.contentISO5577,Non-destructivetestingU1.trasonictestingVocabu1.aryusingguided-waveNon-destructivewithtestingGuided-wavetestingofabove-groundpipe1.inesandp1.antPiping3 Termsanddefinitionsapp1.y.ISOOn1
12、inebrowsingp1.atform：avai1.ab1.eatMtpsyywwwjso.OFgZobp4 Personne1.requirementswithISO9712(1.eve1.1withanadditiona1.6-monthtraining).Thisdocumentspecifiesaconceptofapp1.icationofphased-arrayguided-wavetestingforvarioustypesMateria1.sconsideredarecarbonstee1.andstain1.essstee1.Thisdocumentdoesnotinc1
13、udeprincip1.esandcriteriaforundergroundfaci1.itiesandthephased-arrayu1.trasonicguided-wavetestingscheme.pipecases.thisconsistsguidanceontheuseofdrawre1.iab1.etestresu1.tsontestingforvarioustypesofinaccessib1.estructures,inc1.udingburiedpipe1.inesmadeofcarbonstee1.andstain1.essstcd.Themethodo1.ogyou
14、t1.inedinthisdocumentinc1.udesanoptimizedprocessforachievingre1.iab1.etestresu1.tsononthedefectpipecases,withfrequency.Thetothea1.sotakesintooftheGWsthedistributiondiagramoftheguidedwavesandthecharacteristicsofthese1.ectedmode,withoptima)focusingandsteeringachievedbyadjustingtheexcitationtimede1.ayf
15、oreachtransducerbasedonthe2OfNormativereferencesThefo1.1.owingdocumentsofthisreferredinthetextsuchawaytha1.theoroftheirForundatedreferences,the1.atesteditionofthereferenceddocument(inc1.udinganyamendments)app1.ies.ISO9712,NondestructivetestingQua1.ificationandcertificationofNDTpersonne1.ISO18211,tes
16、tingaxia1.propagationISO23243rNondestructivetestingU1.trasonictestingwitharraysVocabu1.aryForthepurposesofthisdocument,thetermsanddefinitionsgiveninISO5577rISO18211andISO23243ISOandIECmaintaintermino1.ogydatabasesforuseinstandardizationatthefo1.1.owingaddresses：IECE1.ectropec1.ia:avai1.ab1.eathttps:
17、/www.e1.ectropedia.org/Thepersonne1.performingphased-arrayu1.trasonicguidcdwavctestingsha1.1.bequa1.ifiedinaccordanceIfiSO9712isnotapp1.icab1.etoaspecificsituation,suchasincasesWhCrethere1.evantindustria1.sectorhasestab1.ishedotherequiva1.entstandards,thosestandardssha1.1.beusedinstead.ISO2023-A1.1.
18、rightsreservedThepersonne1.sha1.1.betrainedontheuseofthespecifictestequipmentdifferencesbetweentheavai1.ab1.esystemsanddiagnosticapproaches.becausetherearesignificant5Princip1.esofphased-arrayguided-wavetestingThephased-arrayguided-wavetestingisatechniquethatenab1.esfocusingandsteeringofu1.trasonicb
19、etvw1.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.esareoperateds
20、equentia1.1.ywithtimede1.ay,focusingandsteeringtheu1.trasonicbeamtothevo1.umetobetested,2 testobject3 imperfectionFigure1-Schematicshowingthedifferencebetweentheconventiona1.phased-arrayu1.trasonictesting(UT-PA)andthedescribedguided-wavetesting;a)Conventiona1.UTPA;b)Describedguided-waveUT-P.6Testequ
21、ipment6.1 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.edistancefortestingaccordingtothecoveringe
22、nvironment;b) dismant1.ethecoveringmateria1.andremovetheburiedsoi1.toinsta1.1.theguided-wavearrayc) secureaccessspacefortheoperator;d) secureaccessspaceforequipment,equipmentinsta1.1.ationandinitia1.SoftWareoperationchecks；e) preventinterferenceoftheinitia1.diffuse1.yref1.ectedsigna1.inthesoundfie1.
23、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.owspec
24、ifictestingofsuspectedareas；r3Figure2-Examp1.eofDACcurvesandcategories8.5Periodica1.checkofsettingsIfaguided-wavesystemsetupischanged,thefo1.1.owingpointssha1.1.beproper1.ycheckedandadjusted.a)toWHxWbktincrn0te1111arfi1.ddkst6(jdeiI-Maiiga11rninisSigna1.proper1.yc) Whenattachedstructuresexistwithint
25、henearfie1.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
