管道轴向斜入射超声检测中距离-波幅曲线的计算
Calculation of Distance-Amplitude Curve for Axial Oblique Incidence Ultrasonic Testing of Pipeline
摘 要
在提出假设并推导了用于管道轴向斜入射超声检测的规则反射体距离-波幅曲线计算公式的基础上, 计算并绘制出了管道轴向斜入射超声检测中长横孔、平底孔、短横孔、球孔和大平底的距离-波幅曲线, 并在长横孔试块上进行了初步试验验证。结果表明, 计算值与实测结果一致, 讨论了它的应用价值。
距离-波幅曲线
管道
对接焊缝
Ultrasonic testing
Distance-amplitude curve
Pipeline
Butt-welded joint
Abstract
According to a supposition brought forward by present author, the new formulas were developed, the distance-amplitude curves of long transversally drilled hole, short drilled hole, plane bottom hole, large plane bottom, sphere hole had been calculated and painted out for pipeline ultrasonic testing in axial oblique incidence case. Preliminary experimental verification on the block having long transversally drilled hole showed that theory and test results were consistent. Its application value was discussed.
中图分类号 TG115.28
所属栏目 科研成果与学术交流
基金项目
收稿日期 2009/6/11
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备注张志永(1941-), 男, 教授级高级工程师, 长期从事电力工业无损检测研究工作。
引用该论文: ZHANG Zhi-Yong. Calculation of Distance-Amplitude Curve for Axial Oblique Incidence Ultrasonic Testing of Pipeline[J]. Nondestructive Testing, 2010, 32(5): 342～344
张志永. 管道轴向斜入射超声检测中距离-波幅曲线的计算[J]. 无损检测, 2010, 32(5): 342～344
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参考文献
【1】Krautkramer J, Krautkramer H. Ultrasonic Testing of Materials\[M\]. Berlin Heidelberg: Springer-Verlag, 1969: 41-80.
【2】张志永.几种规则反射体回波幅度计算公式的论证\[J\].无损检测, 2009, 31(4): 313-316.
【2】张志永.几种规则反射体回波幅度计算公式的论证\[J\].无损检测, 2009, 31(4): 313-316.
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