无损检测磁粉检验工艺规程

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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：更多免费资料下载请进：http://www.55to

2、p.com好好学习社区******Co.,Ltd.焊缝检验规程3Rev.:0Page:2of7Title:PROCEDUREFORMAGNETICPARTICLEEXAMINATIONDEMONSTRATIONCERTIFICATIONThisistocertifythatthisprocedurehasbeendemonstratedonatestspecimenwithknowndefectstothesatisfactionoftheAuthorizedInspectoraccordingtoT-150o

3、fASMECodeSectionV,asrequiredbyAppendix6ofSectionⅧDiv.1.TestSpecimenNo.:Demo.ReportNo.:NDELevelⅢ:AI:更多免费资料下载请进：http://www.55top.com好好学习社区******Co.,Ltd.焊缝检验规程3Rev.:0Page:3of7Title:PROCEDUREFORMAGNETICPARTICLEEXAMINATION1.General1.1Thisprocedureisappliedtothema

4、gneticparticleexaminationofferromagneticmaterialsandweldsforASMECodeitems.1.2Themagneticparticleexaminationmethodissuitablefordetectingcracksandotherdiscontinuitiesonornearthesurfaceinferromagneticmaterials.1.3Thisprocedureisappliedtowetcontinuousmagnetizati

5、onbyyoke,whichshallonlybeappliedtodetectdiscontinuitiesthatareopentothesurfaceofthepart.1.4ThisprocedureshallbedemonstratedtothesatisfactionoftheAIpriortoimplementation.2.Personnel2.1TheNDEpersonnelwhoengageinmagneticparticleexaminationshallbequalifiedandcer

6、tifiedaccordingto******Co.,Ltd.’s“WrittenPracticeforNDEPersonnelTraining,Examination,Qualification&Certification”(No.:QCD-011).3.DescriptionofMethod3.1Inprinciple,themagneticparticleexaminationmethodinvolvesmagnetizinganareatobeexamined,andapplyingferromagne

7、ticparticlestothesurface.Theparticleswillformpattermsonthesurfacewherecracksorotherdiscontinutiescausedistortionsinthenormalmagneticfield.Thesepatternsareusuallycharacteristicofthetypeofdiscontinuitythatisdetected.3.2Thesensitivityofthemagneticparticleexamin

8、ationisgreatestforsurfacediscontinuitiesanddiminishesrapidlywithincreasingdepthofdiscontinuitiesbelowthesurface.Therefore,thismethodcanonlybeusedfordetectingthediscontinuitiesonornearthesurfaceo