Method and system for determining material properties using...

Details Method and system for determining material properties using... Method and system for determining material properties using...

G - Physics

01

N

G01N 29/11 (2006.01) G01N 29/30 (2006.01) G01N 29/22 (2006.01)

Patent

CA 2511629

A method and system is disclosed for determining a property of an object by measuring ultrasonic attenuation. With the proposed method, a measured ultrasonic interaction signal of the object is compared with a reference signal produced using the same generation and detection setup, but using a reference part. The reference ultrasonic signal has low attenuation, and exhibits equivalent diffraction properties as the object, with respect to a broadband ultrasonic pulse. The difference is attributable to the attenuation of the object. The attenuation as a function of frequency, the attenuation spectrum, is fitted to a model to obtain a parameter useful for identifying one of the many properties of an object that varies with ultrasonic attenuation.

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