Chinese Standard: GB/T 23904-2009

Non-destructive testing—Test method for ultrasonic testing by surface wave

全国无损检测标准化技术委员会(SAC/TC 56)

本标准规定了接触式脉冲反射超声表面波检测通用方法，用以检测表面缺欠。
本标准适用于检测表面粗糙度小于Ra＝3.2 μm、厚度大于10 mm的工件，周向检测圆柱形工件的曲率半径不小于80 mm。

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