工业管道漏磁无损检测传感器的研制

,,,(,430074)(,300270):,,,,:;;:TG115.28:A:100026656(2002)1220512203DEVELOPMENTOFMAGNETICFLUXLEAKAGENONDESTRUCTIVETESTINGTRANSDUCERFORINDUSTRIALPIPELINESCHENGShun2feng,WUXin2jun,KANGYi2hua(SchoolofMechanicalScienceandEngineering,HuazhongUniversityofScience&Technology,Wuhan430074,China)LITao,WANGJiang2yuan(MechanicalResearchInstitutionofTianjinPetroleumChemistry,Tianjin300270,China)Abstract:Amagneticfluxleakagenondestructivetestingequipmentforindustrialpipelineswithhighsensitivitywasdevel2oped,inwhichtransducerconsistedofsomeabsolutetestingmodules.Themagnetizingunitandinspectionunitofeachtestingmodulewereseparate,andtestingcomponentswerelinkedasaninspectionunit,sothattheequipmentwasapplicablefortherealconditionsoftheindustrialpipelineswithhighflexibilityandexpansibility.Keywords:Magneticfluxleakagedetection;Pipeline;Transducer,,[1],,,,,,,,,,,,,,:2002206213,,,1,,,,(),,,[2](),([25][68][9\)2152412200212NDTVol.24No.12Dec.2002©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,,,,,,,,,(1)122.119600mm,,1960mm,60160mm,160300mm,300450mm,450600mm,2.22.2.1,[10],,12m=L+t(1),,mt23(,L,t12),0.7T,[10]BmSm=KmBtSt(2)Sm2GaGLGmFmStKmKm=23,SmSm=KmBtStBm(3),Bm=1.11.3T,Bt=0.60.8T,,(3)Sm2.2.2,,(3),,,,,32.2.3,,,(3),,,,,2.3,315:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,[6](4)44,,,,,,,,,,,,,,,,(3)2.4,40mm20mm10mm(),4;,12,;;;,,373mm,5.5mm11,,5,1112.4,10,9.1,8.0,6.9,6.0,5.6,4.0,3.0,2.01.6mm,6,611151115650,,1.6mm:[1].[J].,1995,2(1):52-54.[2],,,.[J].,2000,(11):18-24.[3],,.[J].,2001,22(5):469-472.[4].[J].,1997,18(1):59-62.[5]IvanovPA,ZhangZ,YeohCH,etal.Magneticfluxleakagemodelingformechanicaldamageintransmissionpipelines[J].IEEETransactiononMagnetics,1998,34(5):3029-3033.[6],.[M].:,1995.[7].[D].:,1998.[8],.[J].,1995,(6):15-18.[9],,,.[J].,1999,28(3):17-20.[10],,,.[J].,1991,3():121-126.415:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.