(,430074)THESTATE-OF-THE-ARTOFINSERVICEINSPECTIONOFTHEEXCHANGETUBESOFNUCLEARSTEAMGENERATORSYangBaochu(ResearchInstituteofNuclearPowerOperation)AbstractTheinserviceinspectionoftheheatexchangetubesofnuclearsteamgeneratorsisdescribedincludingtherelativeequipment,thestate2of2the2artoftechnologyandthemeasuresforloweredqualitytesting.KeywordsNuclearpowerplantSteamgeneratorHeatexchangetubeEddycurrenttesting18a(),U,,,,,,,,1mm20mU,,,,50%[1],8,68a45,,,,,(20%),,2,,51222520005NDTVol.22No.5May2000©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,2.1,ZETECMIZ218A416SM210ö20ö22,,,,,,81,HP,200ö300,HP700,Eddnet95ö98,,,,,2.2,,,,,,,,20a,20a,,60,[2],,,,,,2.3,,,,3,,,,,,,U,,,,1988,,,,(BOBBIN),8142,,,,,,,,,,,(218)612:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2,[3],2,,,,,,,,;,R,,DC,,,23,HCC224,ömm%LmVHCC22401.2031DC94LCDTHY2103.00510AC220WM23A03.00510DC93LCDCHY22403.00510DC63LCDTHY21,WM23ACHY234,,,,,,,;,1GB4956-852ISO2178-1982Non2magneticCoatingsonMagneticSubstratesMeasurementofCoatingThicknessMagneticMethod3,..:,1989.:1999201206(216),,81,8181,CeCo5,,,,,,,U,1NURERöCR-6365,INEL-95ö0383.2..,1993,15(8):215:1999205205812:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.