TB 2882-1998 车轮超声波探伤技术条件

TB/TGB86011984AARM—208—1998A1GB8601—88TB/T2708—1996ZBY230—84AZBY231—84ZBJ04001—87AAARM—208—19982————TB/TA6%1~5MHz46dB80dB12dB1dB26dBA80dB15m0.2~0.5MHz12dB1dB30dB2.5MHzf/f15%ff0.4MHzf/f15%Ra25m2.5MHz210dB/m3.2mm25mmA1.133.2mm10mmA1.2TB/T9.5mm3.2mmA1.32mm20mm7.1.17.1.22.5MHz0.4MHz2.5MHz93.2mm50%3~6dB3/42mm50%3~6dB50%AVG3df=dAaf/aA10/40dfdAafaA4dBTB/Tdf=dA10/403.2mm9.350%6dB5TB/TAA1A1.1A1A1A1.2A2A26A1.3A3TB/TA3A2A2.1dB/mdB/cmA2.2aBBX=--1262dBBdBm/B1—B2——dBXB——mA2.350%50%B1—B2dBdBaXa=-ΔdBdBB62A2.42.21232dBaaaa=++1233A3A3.1125mmB1A3.2B1PT3fe=3/T3fefeΔffffee=-×00100%fe——%f0——MHz7A3.33.2TB/TT2fe=2/T2A3.42.5mmR100A4A4.1A4.1.110%10%S0A4.1.2CS—1—5200mm2A4.1.350%S1SS=S1—S0dBA4.24.1.1S00.4MHz50%S14.1.3S