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    Author(s): Mohammed F. Kabir; Daniel L. Schmoldt; Mark E. Schafer
    Date: 2001
    Source: Review of Progress in Nondestructive Evaluation. 20: 1218-1225.
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (702.86 KB)


    Ultrasonic scanning experiments were conducted on two species of pallet deckboards using rolling transducers in a pitch-catch arrangement. Sound and unsound knots, cross grain, bark pockets, holes, splits, decay, and wane were characterized using several ultrasound parameters. Almost all parameters displayed sensitivity to defects distinctly from clear wood regions—being greatest for unsound knots, bark pockets, decay, holes, splits, and less for sound knots and cross grain. This study supports our conjecture that on-line inspection of wooden pallet parts is possible using rolling-transducer ultrasonic inspection.

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    Kabir, Mohammed F.; Schmoldt, Daniel L.; Schafer, Mark E. 2001. Roller-transducer scanning of wooden pallet parts for defect detection. Review of Progress in Nondestructive Evaluation. 20: 1218-1225.

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