Thickness Measurement of a Curved Multilayered Polymer System by Using an Ultrasonic Pulse-Echo Method

The effect of the curvature on the measurement of thickness of each layer of curved multilayered polymer by using an ultrasonic pulse-echo method was investigated. The real location of the focus of an acoustic beam in a curved, layered structure was calculated by an optical-ray model. Experimental r...

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Veröffentlicht in:	Materials characterization 1998-08, Vol.41 (2), p.97-105
Hauptverfasser:	Maev, R.G., Shao, H., Maeva, E.Yu
Format:	Artikel
Sprache:	eng
Schlagworte:	Cross-disciplinary physics: materials science rheology Exact sciences and technology Materials science Materials testing Nondestructive testing: ultrasonic testing, photoacoustic testing Physics
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	The effect of the curvature on the measurement of thickness of each layer of curved multilayered polymer by using an ultrasonic pulse-echo method was investigated. The real location of the focus of an acoustic beam in a curved, layered structure was calculated by an optical-ray model. Experimental results with the use of ultrasonic pulse-echo measurement systems are presented. The optimization of the focal distance is discussed.
ISSN:	1044-5803 1873-4189
DOI:	10.1016/S1044-5803(98)00030-8