Sound waves could help identify flaws in hides - leatherbiz: Leading n Leatherbiz

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Sound waves could help identify flaws in hides

22/08/2017
Sound waves could help identify flaws in hides
A scientist from the US-based Agricultural Research Service (ARS) has claimed that passing ultrasonic sound waves over hides could help detect flaws that are invisible to the naked eye.

When the waves are transmitted through an object, defects change the intensity of the signal. 

Cheng-Kung Liu, an ARS materials engineer, collected enough data to assess hide defects, and predict the potential quality of the leather's toughness, strength, stiffness and other factors.

The scans did not cause any damage and he estimates the process could be available for industrial use in two to three years.

Ultrasonic waves are already used to grade lumber and identify defects on aircraft parts.

Image: An ultrasound image of a steer hide reveals a defect (red area).
Photo by Cheng-Kung Liu and Nick Latona.

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