圆柱构件偏心缺陷形状重建的born -反演方法

IF 0.5 4区材料科学 Q4 MATERIALS SCIENCE, CHARACTERIZATION & TESTING

Materials Evaluation Pub Date : 2022-10-01 DOI:10.32548/2022.me-04280

G. Zheng, Ze Li, Songfeng Liu, Hao Dong, Feng Hao, Feng Hu, Yuanchao Bao

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引用次数: 0

摘要

本文制备了一个带有偏心圆孔的圆柱形铝试样，并通过实验方法进行了超声波测量。测量区域限制在垂直于圆柱形部件轴线的平面内。测量的波浪数据被输入近似校正方法公式——玻恩反演程序——并获得横截面图像。接下来，通过堆叠截面图像来执行铝样品中缺陷的3D形状重建。对缺陷回波幅度进行校正后，二维剖面的缺陷重建效果和三维缺陷重建效果显著提高。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Born-Inversion Procedure for Shape Reconstruction of Eccentric Defects in Cylindrical Components

In this paper, a cylindrical aluminum specimen with an eccentric circular hole is prepared and ultrasonic measurements are carried out by experimental means. The measurement area is restricted to the plane perpendicular to the axis of the cylindrical component. The measured wave data are fed into the approximate correction method formula—the Born inversion procedure—and cross-sectional images are obtained. Next, a 3D shape reconstruction of the defect in the aluminum specimen is performed by stacking the cross-sectional images. After correcting the defect’s echo amplitude, the defect reconstruction effect of the 2D section and 3D defect reconstruction effect improves remarkably.

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来源期刊

Materials Evaluation 工程技术-材料科学：表征与测试

CiteScore

0.90

自引率

16.70%

发文量

审稿时长

6-12 weeks

期刊介绍： Materials Evaluation publishes articles, news and features intended to increase the NDT practitioner’s knowledge of the science and technology involved in the field, bringing informative articles to the NDT public while highlighting the ongoing efforts of ASNT to fulfill its mission. M.E. is a peer-reviewed journal, relying on technicians and researchers to help grow and educate its members by providing relevant, cutting-edge and exclusive content containing technical details and discussions. The only periodical of its kind, M.E. is circulated to members and nonmember paid subscribers. The magazine is truly international in scope, with readers in over 90 nations. The journal’s history and archive reaches back to the earliest formative days of the Society.