Method of imaging spatial distribution of selected physical properties and microstructure of specimen of material based on dry-coupled contact ultrasonic pulse/echo scanning. Ultrasonic transducer scanned across top surface of specimen. At each of many positions on two-dimensional grid on top surface, ultrasonic pulse/echo measurements taken and processed. Offers rapid, nondestructive alternative to destructive metallographic sectioning to obtain picture of inhomogeneity of specimen.
Imaging Inhomogeneities From Dry-Coupled Ultrasonic Scans
NASA Tech Briefs ; 19 , 6
1995-06-01
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Englisch
Imaging Inhomogeneities From Dry-Coupled Ultrasonic Scans
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