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    Author(s): Eddie W. Price
    Date: 1976
    Source: Forest Products Journal, VOl. 26(10: 50-53
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (873 KB)

    Description

    Rotary-cut sweetgum veneer flakes measuring 3 inches along the grain, 3/8 inch wide, and 0.015 inch thick, were stressed in tension parallel to the grain at gage lengths from 0.50 to 1.25 inches for unpressed control and at 0.75 inch gage length for flakes pressed in a flakeboard mat. The control fkaes had an average tensile strength of 9,400 psi for the smaller gage length classes, 8,000 psi for the upper range of gage lengths, and moduli averaging from 460,000 psi to 675,000 psi. Platen pressure with heat increased core flake density by 6.3 percent and face flake density by 13.9 percent above that of untreated control flakes. Core flakes, which had an average Mc of 6.3 percent, decreased 6.5 percent and 7.25 percent in tensile strength and modulus, respectively. Face flakes, which had an average MC of 5.5 percent, had 7.6 percent greater tensile strength and 9.8 percent greater modulus than unpressed control. Unpressed control flakes had an average MC of 6.5 percent.

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    Citation

    Price, Eddie W. 1976. Determining tensile properties of sweetgum veneer flakes. Forest Products Journal, VOl. 26(10: 50-53

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