The Application of Phased Array and TOFD in Crack Detection of Spherical Tanks
摘 要
在某球罐内表面环焊缝中发现裂纹,采用TOFD(超声衍射时差法)和相控阵超声检测技术对缺陷进行定量检测,为缺陷返修提供了较为准确的数据,同时验证了两种检测技术相结合的方法对缺陷定量检测是最有效的辅助手段。
Abstract
TOFD (Time of Flight Diffraction) and phased array ultrasonic flaw detection technique were used for quantifying cracks on the interior surface of the spherical tank girth welds, and it was found that the combination of the two techniques might provide more accurate data for defect repair and was possibly the most effective aid for defect quantification.
中图分类号 TG115.28 DOI 10.11973/wsjc201901009
所属栏目 试验研究
基金项目
收稿日期 2018/7/6
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联系人作者杨晶(yjshooop@163.com)
备注杨晶(1984-),男,本科,主要从事承压设备无损检测工作
引用该论文: YANG Jing,ZHAO Liang,WANG Xi. The Application of Phased Array and TOFD in Crack Detection of Spherical Tanks[J]. Nondestructive Testing, 2019, 41(1): 35~38
杨晶,赵亮,王希. 相控阵和超声衍射时差法在球罐裂纹检测中的应用[J]. 无损检测, 2019, 41(1): 35~38
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