对接焊缝表面结构状态对超声波探伤的影响

(新疆石油管理局独山子压力容器检验所,新疆独山子833600)EFFECTOFTHESURFACEAPPEARANCEOFBUTTWELDONULTRASONICTESTINGZHUSheng-chu(PressureVesselInspectionInstitute,XinjiangPetroleumAdministration,DushanziXinjiang833600,China):TG115.28:B:1000-6656(2004)11-0589-04,,,,,,[1],,11.11.1.1余高宽度影响扫查范围JB47301994[2]9.1.3.2K,,,K,1,,a1=T-b+lK:2003-03-261a2=T-b1KTb,b1la1+a2T,2,,a1=T-b+lKa2=T-b1+lKa1+a2T,25892611200411NDTVol.26No.11Nov.20041.1.2余高形状产生伪反射影响探伤结果的判断3,A,,,,,,A33.2,A;,,A33.2,A[1],B,C,B,C,ABAC,,B,C,,,3,A,X,b,s,XKT+bs,A,1.1.3焊缝余高宽度和形状的突变影响焊缝的正确检测(1),,,12,,(2)3,,,b,X,1.1.4焊缝余高内部真实缺陷检测的困难性,,4,A,B,C,D,,4ABCD,1.21.2.1等厚结构焊接接头错口引起的误判5,A[3],B,C,A,B,C590:5,,A,B,C,H1.2.2不等厚对接接头错口引起的错判和误判6,[2],A,B,C,,6,1.3,7,A7B1.41.4.1削薄结构使反射声程随反射点的移动不断变化[3],8,A,BT2,BA81.4.2非标准削薄结构使反射点发生波型转换形成伪反射,,9,[3](K),591:9,332,O[1],A,B,,A,B2(1),,,(2)(3)(4),,,,,,(5),,,,,3,,,,,,:[1].[Z].:,1995.[2]JB47301994,[S].[3]GB1501989,[S].(上接第569页)[5]MolesM,DubN,LabbS,etal.Pipelinegirthweldinspectionsusingultrasonicphasedarrays[A].Procof16thWCNDT[M/CD].Montreal,Canada:2004.[6]Labbe1S,LangloisP,TremblayF,etal.Signalanaly-sisforautomatedgo-nogoinspectionofcomplexge-ometriesusingultrasonicphasedarrays[A].Procof16thWCNDT[M/CD].Montreal,Canada:2004.[7].[J].,2001,23(1):1-5.[8].[A]./[M/CD].:2003.(上接第585页)MaziumiF,SadeghiSHH,MoiniR.NDT&EInternational,2003,36(5):331-338.HectorCarreon,BalachanderLakshminarayan,WaseemIFa-idi,etal.NDT&EInternational,2003,36(5):339.XCasaltaS,DaquinoGG,MettenL,etal.NDT&EInterna-tional,2003,36(5):349-356.IsaYesilyurt,FengshouGu,AndrewDBall.NDT&EInter-national,2003,36(5):357-372.译校592: