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10 May 2024 Advancing spatially resolved acoustic spectroscopy (SRAS) from microstructure to elasticity imaging
Rikesh Patel, Wenqi Li, Richard Smith, Matt Clark
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Proceedings Volume PC12950, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XVIII; PC1295009 (2024) https://doi.org/10.1117/12.3010740
Event: SPIE Smart Structures + Nondestructive Evaluation, 2024, Long Beach, California, United States
Abstract
Spatially Resolved Acoustic Spectroscopy has established itself as a powerful material characterisation technique capable of imaging the microstructure of a number of engineering alloys and semiconductor materials. The technique non-destructively utilises laser ultrasonics to robustly, rapidly, and repeatably measure controlled surface acoustic wave velocities – these can be mapped to image material grain contrasts (SRAS).
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Rikesh Patel, Wenqi Li, Richard Smith, and Matt Clark "Advancing spatially resolved acoustic spectroscopy (SRAS) from microstructure to elasticity imaging", Proc. SPIE PC12950, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XVIII, PC1295009 (10 May 2024); https://doi.org/10.1117/12.3010740
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KEYWORDS
Elasticity
Acoustics
Imaging spectroscopy
Spectroscopy
Laser microstructuring
Acoustic waves
Crystals
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