Journal Title
Title of Journal: J Nondestruct Eval
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Abbravation: Journal of Nondestructive Evaluation
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Authors: ChiTse Kuo YungChun Lee
Publish Date: 2016/03/28
Volume: 35, Issue: 2, Pages: 27-
Abstract
This paper investigates a method for conducting conventional ultrasound image scanning Cscan in a nonimmersive manner An ultrasound coupling device is developed to couple a focusing ultrasound transducer with a sample under test through a water droplet The transducer is immersed in a chamber filled with water A holeopening at the chamber’s bottom surface and a polymer film sealing the hole allow focused ultrasound to pass and reach the sample through a water droplet An ultrasound scanning system is constructed and used for carrying out Cscan on two different samples containing prefabricated internal defects By comparing the images obtained from using both conventional water immersion method and the proposed waterdroplet coupling method we demonstrate the feasibility and capability of this new type of nonimmersive ultrasound image scanning method
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