航空金属薄板分层缺陷的频率-波数域超声相控阵全聚焦法成像检测
Frequency-wavenumber domain ultrasonic phased array total focusing method imagingdetection for delamination defect of aviation metal sheet
摘 要
将超声相控阵频率-波数域全聚焦算法应用于304不锈钢金属薄板分层缺陷的检测中，采用两种型号的相控阵探头分别对厚度为1 mm和3 mm金属薄板的分层缺陷进行检测，比较了时域全聚焦和频率-波数域全聚焦两种算法的成像质量。结果表明：基于时域和频率-波数域的全聚焦算法均能够检测出金属薄板的分层缺陷，相对于传统时域全聚焦成像方法，频率-波数域全聚焦法成像检测具有分辨率高、伪像区域小等优点。
分层缺陷
频率-波数域算法
全聚焦法成像
aviation metal sheet
delamination defect
frequency-wavenumber domain algorithm
total focusing method imaging
Abstract
In this paper, the ultrasonic phased array frequency-wavenumber domain total focusing method was applied to 304 stainless steel sheet metal layered defect detection. Two kinds of models of phased array probe were used, to detect 1 mm and 3 mm thickness of sheet metal layered defect, and the conventional time domain total focusing method and frequency-wavenumber domain total focusing method imaging quality of two kinds of algorithm were compared. The research results show that total focusing method algorithms based on time domain and frequency-wavenumber domain can detect layered defects of thin metal plates. As compared with conventional time domain total focusing method imaging, the frequency-wavenumber domain total focusing method imaging detection has high resolution, smaller artifact areas and other advantages.
中图分类号 TB559 TG115.28 DOI 10.11973/wsjc202107012
所属栏目 试验研究
基金项目 国家自然科学基金资助项目（12064001，51705231）；江西省自然科学基金重点项目（20192ACBL20052）
收稿日期 2020/12/31
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备注钟芳桃(1996-),男,硕士研究生,研究方向为超声检测
引用该论文: ZHONG Fangtao,SHI Wenze,LU Chao,CHEN Guo,SHEN Jiahui,HU Jing. Frequency-wavenumber domain ultrasonic phased array total focusing method imagingdetection for delamination defect of aviation metal sheet[J]. Nondestructive Testing, 2021, 43(7): 50～56
钟芳桃,石文泽,卢超,陈果,沈佳卉,胡婧. 航空金属薄板分层缺陷的频率-波数域超声相控阵全聚焦法成像检测[J]. 无损检测, 2021, 43(7): 50～56
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【3】吴时红, 何双起,陈颖,等.金属薄板超声无损检测[J].宇航材料工艺,2007,37(6):124-126.
【4】张闯, 周希运,刘素贞,等.电磁加载下金属板闭合裂纹的超声调制实验研究[J].中国电机工程学报,2019,39(4):1224-1231.
【5】魏勤, 朱金连,宋广三.铝合金薄板的超声透射法检测[J].无损检测,2009,31(8):625-627.
【6】周正干, 彭地,李洋,等.相控阵超声检测技术中的全聚焦成像算法及其校准研究[J].机械工程学报,2015,51(10):1-7.
【7】周正干, 李洋,周文彬. 相控阵超声后处理成像技术研究、应用和发展[J].机械工程学报,2016,52(6):1-11.
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【9】BERTORA F,PELLEGRETTI P,QUESTA A,et al.An alternative frequency domain beamforming[C]//IEEE Ultrasonics Symposium.[S.l.]:[s.n.],2004:1749-1752.
【10】GARCIA D,TARNEC L L,MUTH S,et al.Stolt's f-k migration for plane wave ultrasound imaging[J].IEEE Transactions on Ultrasonics,Ferroelectrics,and Frequency Control,2013,60(9):1853-1867.
【11】STEPINSKI T.An implementation of synthetic aperture focusing technique in frequency domain[J].IEEE Transactions on Ultrasonics,Ferroelectrics,and Frequency Control,2007,54(7):1399-1408.
【12】HUNTER A J,DRINKWATER B W,WILCOX P D.The wavenumber algorithm for full-matrix imaging using an ultrasonic array[J].IEEE Transactions on Ultrasonics,Ferroelectrics,and Frequency Control,2008,55(11):2450-2462.
【13】刘增华, 冯雪健,任捷,等.基于频率-波数分析的激光Lamb波传播特性试验研究[J].振动与冲击,2019,38(22):70-78.
【14】张海燕, 段伟华.频率-波数域的薄铝板缺陷检测研究[J].声学技术,2020,39(4):434-438.
【15】贾乐成, 陈世利,白志亮,等.超声全聚焦成像校正模型及加速算法[J].仪器仪表学报,2017,38(7):1589-1596.
【16】陈尧, 冒秋琴,陈果,等.基于Omega-K算法的快速全聚焦超声成像研究[J].仪器仪表学报,2018,39(9):128-134.
【17】崔文凯, 秦开怀.基于椭圆弧扫描转换的超声波无损检测全聚焦算法[J].电子学报,2017,45(10):2375-2382.
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