A time-of-flight revising approach to improve the image quality of Lamb wave tomography for the detection of defects in composite panels
Source abstract
Abstract
Abstract Lamb wave tomography can be used to evaluate structural integrity. The time-of-flight (TOF) data are usually recorded as input to the reconstruction algorithm. For composite materials, TOF estimation is complicated due to their anisotropy. To reduce the effects of anisotropy on image reconstruction, the TOF data of flawed plates are revised according to baseline data obtained from an unflawed plate. Tomographic images are reconstructed using the original and revised TOF data, respectively. Results show that images reconstructed using the revised TOF data have better visual quality and that TOF data revision can substantially reduce the artifacts resulting from anisotropy in defect detection of composite materials.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Ultrasonics and Acoustic Wave Propagation · Geophysical Methods and Applications · Non-Destructive Testing Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Mechatronics Engineering , University of Electronic Science and Technology of China , Xiyuan Avenue 2006, Chengdu 611731 , Sichuan , P.R. China
School of Mechatronics Engineering , University of Electronic Science and Technology of China , Chengdu 611731 , P.R. China
Funding
National Natural Science Foundation of China
References (20)
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