Stress corrosion cracking detection of pressure equipment based on array eddy current and fully focused phased array technology
摘 要
提出了基于阵列涡流和全聚焦相控阵技术的应力腐蚀检测方法,可分别应用于开罐检测与在线检测,并对一台材料为S31603的立式反应釜进行了检测。检测结果表明,阵列涡流技术具有高灵敏度、高信噪比、无需打磨、数据可存储分析等优点;全聚焦相控阵技术具有高检测分辨率,对缺陷的定量定位具有较高精度,对应力腐蚀裂纹具有较高的检出率等优点,二者结合使用可以提升应力腐蚀缺陷的检出率,具有较高的工程应用价值。
Abstract
A stress corrosion detection method based on array eddy current and fully focused phased array technology is proposed, which can be applied to open tank detection and on-line detection respectively. A vertical reactor made of S31603 is tested and applied. The results show that array eddy current technology has the advantages of high sensitivity, high signal-to-noise ratio, no grinding, and high capability of data storage and analysis, etc., and that the full focus phased array technology has high detection resolution, high accuracy for quantitative positioning of defects, and high detection rate for stress corrosion cracking. The combination of the two methods can improve the detection rate of stress corrosion defects, and has high engineering application value.
中图分类号 TG115.28 DOI 10.11973/wsjc202105004
所属栏目 试验研究
基金项目 浙江省质监系统质量技术基础建设项目(20180119)
收稿日期 2020/12/28
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备注胡健(1978-),男,本科,工程师,主要从事承压类特种设备无损检测研究工作
引用该论文: HU Jian,ZHANG Zijian,SHEN Jianmin,CHAI Junhui,XU Bo,WU Jiaxi,ZHANG Xiaolong. Stress corrosion cracking detection of pressure equipment based on array eddy current and fully focused phased array technology[J]. Nondestructive Testing, 2021, 43(5): 12~15
胡健,张子健,沈建民,柴军辉,许波,吴家喜,张小龙. 基于阵列涡流和全聚焦相控阵技术的承压设备应力腐蚀开裂检测[J]. 无损检测, 2021, 43(5): 12~15
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