The basis of the ultrasonic evaluation of the viscoelastic behaviour of wood is associated with measurements of attenuation coefficients. Ultrasonic wave velocity, ultrasonic attenuation coefficients, and the acoustic nonlinearity parameters are fundamental acoustic parameters of wood.

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Attenuation of Ultrasonic Waves in Wood

  • Voichita Bucur

摘要

The basis of the ultrasonic evaluation of the viscoelastic behaviour of wood is associated with measurements of attenuation coefficients. Ultrasonic wave velocity, ultrasonic attenuation coefficients, and the acoustic nonlinearity parameters are fundamental acoustic parameters of wood.