结合AVG曲线技术的特点以及田湾核电站大修检验中实际应用的经验, 重点介绍了制作电子AVG曲线的方法以及采用该技术在现场焊缝超声检测中的应用。实践表明采用电子AVG曲线技术在现场检测中极大方便了对缺陷进行定量, 取得良好的应用效果。

With the characteristic of AVG curve technique and testing experience that feed back in ultrasonic examination application during the repair period in TianWan Nuclear Power Station, the article mainly introduced the method of creating electronic AVG curve and the application of electronic AVG curve technique in the ultrasonic examination. Evidences have show that electronic AVG curve technique has great convenience during sizing the defect, and this technique has great application effect.