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Tian, Z., Yu, L., & Leckey, C. (2016). Rapid guided wave delamination detection and quantification in composites using global-local sensing. Smart Materials and Structures, 25(8), 085042.
Tian, Zhenhua, Lingyu Yu, and Cara Leckey. "Rapid guided wave delamination detection and quantification in composites using global-local sensing." Smart Materials and Structures 25.8 (2016): 085042.
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Z Tian, L Yu, C Leckey - Smart Materials and Structures, 2016 - iopscience.iop.org

Rapid guided wave delamination detection and quantification in composites using global-local sensing.

EPSCoR Research Infrastructure Improvement Program AND Program Evaluation

Leckey, Tian, Yu

GSID: M6s-lQN2RcIJ

Excerpt

This paper presents a rapid guided ultrasonic wave inspection approach through global inspection by phased array beamforming and local damage evaluation via wavenumber analysis. The global-local approach uses a hybrid system consisting of a PZT wafer and a non-contact laser vibrometer. The overall inspection is performed in two steps. First, a phased array configured by a small number of measurements performs beamforming and beamsteering over the entire plate in order to detect and locate the presence of the damage …

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