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Multiple reflection wave detection method based on inversion of multilayer material transfer function
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DOI：10.1016/j.ultras.2024.107495.png)
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For multi-layer composite materials, conventional ultrasonic testing is prone to interference from multiple reflected waves inside the multi-layer material due to factors such as material acoustic impedance differences and acoustic attenuation. This article proposes a new method to analyze propagation process of acoustic waves in multi-layer materials containing defects, and an algorithm for inverting the transfer function of one-layer from multiple reflection signals was proposed, and corresponding pulse responses were used to detect defects.
Keyword:
Non-destructive testing
Ultrasonic
Multiple reflection wave
Multi-layer material
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4.1
论文数:
5.6K
被引数:
1.2W
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