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- Title
Anisotropic Characterization of Particleboard by Ultrasonic and Static Techniques.
- Authors
Najafi, S. Kazemi; Marasht, A. Abbasi; Ebrahimi, Ch.
- Abstract
The anisotropic properties of particleboard (PB) are studied by ultrasonic and static techniques. Ultrasonic wave velocity and modulus of elasticity in bending (MOE) are determined at parallel and perpendicular to manufacturing direction and at the interval angles of 15° in clockwise and counter-clockwise directions. The experimental results are compared with the predicted values using empirical formulas such as the Hankinson and Jacoby equations. The results show that the ultrasonic wave velocity and MOE are the highest in the parallel direction in PB and the lowest values occurred in the perpendicular direction. The predicted ultrasonic wave velocity using the Hankinson and Jacoby equations are in close agreement with the measured value. The relationship among particles’ angle, ultrasonic wave velocities, and MOE could be successfully presented by cubic and quadratic regression equations as well.
- Subjects
STRENGTH of materials; ULTRASONIC testing; NONDESTRUCTIVE testing; ULTRASONIC waves; WAVES (Physics); VIBRATION (Mechanics)
- Publication
Russian Journal of Nondestructive Testing, 2004, Vol 40, Issue 9, p605
- ISSN
1061-8309
- Publication type
Article
- DOI
10.1007/s11181-004-0006-4