搜索
500mm,(,833600)APPLICATIONOFULTRASONICTECHNIQUETOTHEINSPECTIONOFTHEWELDSIN500mmGLOBOSEALLOTTERSWUHuan2li,YANGXin2bo(PressureVesselInspectionInstituteofDushanzi,DushanziXinjiang833600,China):TG115.28+5:B:100026656(2001)0920402202500mm37016.8MPa,,,199979,90,500mm38mm500mm46mm,16MnR,,V,19986,186,38mm,,,;,85,1.6MPa100%,,(500mm),,;,(3846mm),X,,,:2000204203,,,,,22.1,,,,,2.22.2.1K1.5K2.5,,K,K2.5,K1.5K2.5,K1.5,,,20423920019NDTVol.23No.9Sep.2001©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.CSKA1mm6mm(1)1,,K1.5(K=1.5,cos/cos=0.78;K=2.5,cos/cos=0.6),K2.51mm1020301)2)3)2.5P1313K1.59.110.41.318.220.92.726.931.04.12.5P1313K2.59.010.81.817.521.03.526.530.84.3:1),(80%)60%2)3)2.2.2JB47301994,PXUT228EPOCH22.316MnR,,,;26dB,2,5;2.5P1313K1.518mm,2.5P1016K2.516mm,18dB,0;,50mm;CSK2ACSK2A,1mm6mm,10100mm;80%,+3dB,+3dB;1mm6mm-5dB,1mm6mm+3dB1mm6mm+9dB;,3846mm2.4,6dB;,,,2.51,,HLda()1AC=d(),BC1=dtg=Kd=a(),AO=R(),CO=R-d,tg=BC/OC=Kd/(R-d),BO2=(Kd)2+(R-d)2,H=OD-BO=R-[(Kd)2+(R-d)2]1/2,L=(R)/180,L=Rtg-1[Kd/(R-d)]/180500mm46mm,K1.5(2)2,,La,Hd,dHL(),50,2mmdLHdLHdLH101510406536701205720311950824480139633048286010051901596833.189500mm,,48,14.6%;17,41.5%;18,43.9%3.241,10mm,304:500mm©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.14(),,,16,,(5),(20),15,(24)360:82247,:::0200003609004613314:46419:100823:397:100055,,,,,5.00,30:42407,:357:200090:021265687121254,216:021265680330://CYJI.chinajournal.net.cn:CYJI@chinajournal.net.cn,,913mm,150HB,,,3.3,1724mm,46%(41),,,2,60%500mm38mm,,1720mm,,,,,500mm46mm4,K2.5K1.5,,,40423920019NDTVol.23No.9Sep.2001©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.