φ89mm×6mm油浆管对接焊缝超声检测

89mm6mm(,138008)ULTRASONICINSPECTIONOFTHEBUTTWELDSIN89mm6mmOILPIPESLIUHua2gang(QianguoOilRefineryBoilerPressureVesselTestStation,SongyuanJilin138008,China):TG115.28:B:100026656(2002)07203172022000,2089mm6mm12,X,JB47301994,,,159mm8mm,100%,,1CTS222CSK2A,K,300mm25mm3mm,1mm3mm(1)5MHz6mm6mmK35MHz6mm6mmK1.5,L5mm111,0,K3K1.51:20012062185mm1mm3mm,100%,10,1520mm1mm3mm,1mm3mm2-3dB,1mm3mm-6dB,1mm3mm,1mm3mm+8dB(2)222.1K35MHz6mm6mmK3T=6mm,b=12mm,L=5mm,A(3),71324720027NDTVol.24No.7July2002©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.3L+b2K=5+12233.7mm6-3.7=2.3mm9mm(2.33+29,3K,21/2),,2.3mm2.2K1.55MHz6mm6mmK1.56mm,b=12mm,L=5mm,A,2mm(),7mm(4)413mm,4,3K3,7mm18mm,18mmK1.5,13mm,12.5mm,18mm,912.5mm18mm4,,4mm,4mm,5,-3dB,K3,12,K1.5,,36,14mm,65mm,1.3mm,,,689mm6mm2,,,,,(311),3,,,,,,,,,,,,813:89mm6mm©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.