涡流检测在飞机疲劳试验中的应用

,,,,(,330034)(,330024):,:;;;:TG115.28:A:100026656(2001)1220514204APPLICATIONOFEDDYCURRENTTESTINGTOFATIGUETESTOFAIRPLANETANGJi2hong,ZHANGYuan2shi,RENJi2lin(NanchangInstituteofAeronauticalTechnology,Nanchang330034,China)HUWei2li,JIANGYun2sheng,ZHANGZhi2hong(NanchangAircraftIndustrialCorp.,Nanchang330024,China)Abstract:Basedontheoreticalanalysisandexperiments,theapplicationofeddycurrentdetectionoffatiguecrackstothefa2tiguetestprocessofairfoil,airframeandcombinationisdiscussed.Keywords:Eddycurrenttesting;Airplane;Fatiguetest;Fatiguecrack,,,,,,,,,,,,,EE,,,CY12(),:2001209228,,,,30CrMnSiA(),,,(CY12),,,,,EE1,,1(1a,b)2(1a,c)1;224152312200112NDTVol.23No.12Dec.2001©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(a)(b)(c)1121.2.3.4.5.6.(a)(b)21.2.3.4.5.122.1,,112830CrMnSiA81150830CrMnSiA8451Lc91)1Ly12:1)1;22362)1Ly123613)1Lc91)2Ly12:1)2)3)1/e,=1fr=5.033frcmr,1/cmf,Hz,,,;,,,10021000Hz2.2,,,,,,,,31kHz,3515:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,3,,,,,3(d0),,2.3,,,,,,,,,,EEC239RFT1Hz2MHz,1Hz2250kHz,0359;1;012V;0290dB;2.4,;,4;5,,,,1/41/3645(a)(b)6,800Hz,4mm,0116mm,,6a19mm,6b12mm,,30CrMnSiA,,,3,428Hz,8.0dB177,,71;2(),95;35,,1002130;68,,130615:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.7,176Hz,13.0dB,235,,81,2,;35,8100130;68,1304,,,,:(1),,500Hz(2),(3),,(4):[1],,.[M].:,2000.[2].[J].,1996,18(8):227-231.[3].[J].,1995,17(2):44-45.,200210(1)(100200)(2):2002430:2002615:2002730:2002830(3):29:200233:0212648502204307:021264850681:()715:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.