20062812(江苏省特种设备安全监督检验研究院淮安分院,江苏淮安223001)EffectofSurfacePittingCorrosionofIn-servicePressureVesselonUltrasonicTestingQIZheng-wang(HuaianBranch,JiangsuSpecialEquipmentSafetySupervisionandInspectionInstitute,Huaian223001,China):TG115.28:B:1000-6656(2006)12-0670-02,,,,,,,,,6.3m,,,,,1[1~3],,,,,;,,(2n+1)/4(n:2006-04-07:(1967-),,,,,),2n/4,/4,,2n/4,,,;,,,,,/2,,,/3[2],22.1300mm200mm22mm16MnR,0.5,1.0,1.52.0mm,50mm,,0.5~0.7mm,60,2~3/cm22.2PXUT-280,2.5P1313K2,CSK-ACSK-A2.3670祁正旺:在用压力容器表面点腐蚀对超声波探伤的影响无损检测20062812K2.5P1313K2,250mmR1,R1,80%,,R2,R2,80%R1R2,CSK-AR,R,R1R2,R1R2,R(1),11-1dBR1R2R625464358506470.5,1.0,1.52.0mm,60%,dB22.41,37dB,,,,dB2,,,,,,,,,,,30.5~1.0mm,2mmdB/%dB/%0.538303225345028501.040303425365030501.542203620384032302.04410381040403420,,,,,,,,,,:[1]KrautkrmerJ,KrautkrmerH,,,,.[M].:,1984.[2].[Z].:,1995.[3],,,.B[M].:,1985.(上接第619页),:[1].[M].:,1988.[2].[M].:,2005.[3],,.LinuxC[M].:,2005.[4],,,.[M].:,2005.671