摘要
超声波检测中 ,缺陷定性是检测的难点。在焊缝检测中 ,超声波仪的荧光屏仅能看到大致相同的脉冲波形 ,要在微小差别的波形中 ,分辩出缺陷的性质 ,就比较困难。文章通过分析常见焊缝缺陷的波形及其特征 ,提出了鉴别缺陷性质的方法。
In the process of ultrasonic inspection, one of the difficulty is defect qualitative problem. In this process, only some similar impulse wave can be seen on the phosphor screen, so it is very difficult to distinguish the defect property. The paper proposes this distinguish method by analyzing the regular impulse wave.
出处
《青海电力》
2003年第C00期76-77,共2页
Qinghai Electric Power
