Multi-mode total focus three-dimensional reconstruction of defects
-
摘要: 分别采用超声相控阵扇扫、多模式全聚焦、多模式融合等3种成像方法，对焊缝夹渣缺陷进行了三维重构，并通过刻槽试块验证了多模式融合图像的真实性。结果表明，多模式融合成像法能够整合不同模式的有效信息，显示缺陷相对完整的立体轮廓，对焊缝缺陷的走向分析与类型识别有重要意义。Abstract: In this work, three imaging methods, such as ultrasonic phased array S-scan, multi-mode total focusing, and multi-mode fusion were used to reconstruct the slag inclusion defects in welds, and the authenticity of the multi-modal fusion image was verified by the notched test block. The results showed that the multi-mode fusion imaging could integrate the effective information of different modes and display the relatively complete three-dimensional contour of the defect, which was of great significance for the trend analysis and type identification of weld defects.
-
-
[1] HOLMES C,DRINKWATER B W,WILCOX P D.Post-processing of the full matrix of ultrasonic transmit-receive array data for non-destructive evaluation[J].NDT & E International,2005,38(8):701-711.
[2] FAN C G,CALEAP M,PAN M C,et al.A comparison between ultrasonic array beamforming and super resolution imaging algorithms for non-destructive evaluation[J].Ultrasonics,2014,54(7):1842-1850.
[3] ZHANG J,DRINKWATER B W,WILCOX P D,et al.Defect detection using ultrasonic arrays:the multi-mode total focusing method[J].NDT & E International,2010,43(2):123-133.
[4] 金士杰,刘晨飞,史思琪,等.基于全模式全聚焦方法的裂纹超声成像定量检测[J].仪器仪表学报,2021,42(1):183-190. [5] BEVAN R L T,BUDYN N,ZHANG J,et al.Data fusion of multiview ultrasonic imaging for characterization of large defects[J].IEEE Transactions on Ultrasonics,Ferroelectrics,and Frequency Control,2020,67(11):2387-2401.
[6] 李洋,周正干.基于全矩阵数据的阵列超声检测与评价技术研究和应用概述[J].航空制造技术,2019,62(14):28-39. [7] DZIEWIERZ J,GACHAGAN A.Computationally efficient solution of Snell's law of refraction[J].IEEE Transactions on Ultrasonics,Ferroelectrics,and Frequency Control,2013,60(6):1256-1259.
[8] BUDYN N,BEVAN R,ZHANG J,et al.A model for multi-view ultrasonic array inspection of small two-dimensional defects[J].IEEE Transactions on Ultrasonics,Ferroelectrics,and Frequency Control,2019,66(6):1129-1139.
[9] 李衍.多模式全聚焦法成像解析[J].无损探伤,2021,45(4):1-6.
计量
- 文章访问数: 18
- HTML全文浏览量: 3
- PDF下载量: 12
下载:
