| 厚壁高强钢球罐埋藏裂纹的TOFD检测及其成因分析 |
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| 引用本文： | 王杜,陈定岳,陈虎,黄辉. 厚壁高强钢球罐埋藏裂纹的TOFD检测及其成因分析[J]. 无损检测, 2013, 0(11): 19-21,26 |
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| 作者姓名： | 王杜 陈定岳 陈虎 黄辉 |
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| 作者单位： | 宁波市特种设备检验研究院,宁波315048 |
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| 摘 要： | 采用TOFD检测技术对一台厚壁高强钢材料球罐进行检测，检出了大量内部埋藏裂纹。提出图谱判读时需要注意的地方，分析了裂纹产生的原因并提出检验对策。建议在厚壁高强钢材料球罐制造安装监检和定期检验时，都应采用TOFD技术检测焊缝埋藏缺陷。
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| 关 键 词： | 高强钢球罐 裂纹 TOFD无损检测 |
The Crack Detection by TOFD and Cause Analysis in Large Wall Thickness and High-Strength Steel Spherical. Tank |
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| WANG Du,CHEN DingYue,CHEN Hu,HUANG Hui. The Crack Detection by TOFD and Cause Analysis in Large Wall Thickness and High-Strength Steel Spherical. Tank[J]. Nondestructive Testing, 2013, 0(11): 19-21,26 |
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| Authors: | WANG Du CHEN DingYue CHEN Hu HUANG Hui |
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| Affiliation: | (Ningbo Special Equipment Inspection and Research InstiLute, Ningbo 315048) |
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| Abstract: | One large wall thickness and high-strength steel spherical tank was detected by TOFD technique, and a large numher of internal cracks were found. The place of TOFD map interpretation needed to pay attention was proposed, and the cause of the crack was to be analyzed and the inspection countermeasure was proposed. The TOFD technique should be used in the supervision inspection and regular inspection of large wall thickness and high- strength steel spherical tank. |
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| Keywords: | High-strength steel spherical tank Crack TOFD Nondestructive testing |
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