锅炉压力容器T型接头与管座角接头焊缝超声波探伤技术探讨

T(,214171):TG115.28:A:167124423(2004)05215205(20044)39:1010A,F,O,R,AF=S,Fh,L,:h=R-S2+R2-2SRcosB(7)L=0.0174Rsin-1SS2+R2-2SRcosBõsinB(8)11,,Lh:L=0.0174R(H1+H2)(9)h=R-P(10)H1=180-B-sin-1RrsinBPP=r2+S22-2rS2cossin-1RrõsinBH2=sin-1S2PõRrsinBS2=S-S1S1=rsin180-B-sin-1RrsinBsinBRrS()11,(7)(8)(9)(10),RrRr,::15711,3:14710,118:24810,1131213285200410NDTVol.28No.5October.2004©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.12139,06,39:12,A,O,r,AF=S,Fd,l2,:d=r2+S2+2SrcosB-r(11)l2=0.0174rsin-1Sr2+S2+2SrcosBõsinB(12)13,,l2d:l2=0.0174r(H1+H2)(13)d=P-r(14)H1=B-sin-1RrsinBPP=R2+S22-2RS2cossin-1RrõsinBH2=sin-1S2PõRrsinBS2=S-S1S1=RsinB-sin-1RrsinBsinBS()Rr4(),,,,,6.2.2,77.1()T14,T15,,:BF14T,,3,FB80%(1415),6128©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.24,,(1440%),,T7.2T8(),T,,K,,T,8B1B2B3,K2,K,,T7.3,,,T88.18.1.1T151.2.3.4.5.6.7.()15T8.1.2168.28.2.1T(1)1()3,K111,,Á23024dB,T,K2K2K2.512,8,L11.2.3.4.()5.6.7.8.16L2,Á23024dB,K2(2)(13),T,Á411K2,,(3)K1,,,,(4):K,1ö2,,,(K1)(11),,13,T,,K1(K1,K),,TT,715:T©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(5)K1,7A1B,C1A,TTDB(6)TK1,,,,,,T,,T,1020,8.2.2(1),,1ö2Á24024dB(2),,Á24024dB,(3):,,K1,,,Á23024dB:,Á24024dB,T,Á24024dB9T,(),:9.1,,Á2,,,,17179.2,,2mm,2mm,Á3,,,,18,9.3,,Á3,8128©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,1918199.4(),,,Á3,,()(),,:,,,2020:,,,20:,,,,,209.5,,,,,,,,,915:T©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.