焊缝检验规程3-无损检测工艺规程(磁粉检验).doc

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1、******Co.,Ltd.焊缝检验规程3Rev.:0Page:1of7Title:PROCEDUREFORMAGNETICPARTICLEEXAMINATIONPROCEDUREFORMAGNETICPARTICLEEXAMINATION磁粉检验操作工艺规程CONTROLLED在控本□UNCONTROLLED非在控本□COPYNO副本编号：PREPAREDBY编制：DATE日期：REVIEWEDBY审核：DATE日期：APPROVEDBY批准：DATE日期：******Co.,Ltd.焊缝检验规程3Rev.:0Page:2of7Titl

2、e:PROCEDUREFORMAGNETICPARTICLEEXAMINATIONDEMONSTRATIONCERTIFICATIONThisistocertifythatthisprocedurehasbeendemonstratedonatestspecimenwithknowndefectstothesatisfactionoftheAuthorizedInspectoraccordingtoT-150ofASMECodeSectionV,asrequiredbyAppendix6ofSectionⅧDiv.1.TestSpecim

3、enNo.:Demo.ReportNo.:NDELevelⅢ:AI:******Co.,Ltd.焊缝检验规程3Rev.:0Page:3of7Title:PROCEDUREFORMAGNETICPARTICLEEXAMINATION1.General1.1ThisprocedureisappliedtothemagneticparticleexaminationofferromagneticmaterialsandweldsforASMECodeitems.1.2Themagneticparticleexaminationmethodiss

4、uitablefordetectingcracksandotherdiscontinuitiesonornearthesurfaceinferromagneticmaterials.1.3Thisprocedureisappliedtowetcontinuousmagnetizationbyyoke,whichshallonlybeappliedtodetectdiscontinuitiesthatareopentothesurfaceofthepart.1.4Thisprocedureshallbedemonstratedtothesa

5、tisfactionoftheAIpriortoimplementation.2.Personnel2.1TheNDEpersonnelwhoengageinmagneticparticleexaminationshallbequalifiedandcertifiedaccordingto******Co.,Ltd.’s“WrittenPracticeforNDEPersonnelTraining,Examination,Qualification&Certification”(No.:QCD-011).3.DescriptionofMe

6、thod3.1Inprinciple,themagneticparticleexaminationmethodinvolvesmagnetizinganareatobeexamined,andapplyingferromagneticparticlestothesurface.Theparticleswillformpattermsonthesurfacewherecracksorotherdiscontinutiescausedistortionsinthenormalmagneticfield.Thesepatternsareusua

7、llycharacteristicofthetypeofdiscontinuitythatisdetected.3.2Thesensitivityofthemagneticparticleexaminationisgreatestforsurfacediscontinuitiesanddiminishesrapidlywithincreasingdepthofdiscontinuitiesbelowthesurface.Therefore,thismethodcanonlybeusedfordetectingthediscontinuit

8、iesonornearthesurfaceofthematerialorpartstobetested.4.MagnetizationEquipmentandCalibration4.1The