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    Author(s): George E. Woodson
    Date: 1977
    Source: Forest Products Journal, Vol. 27(8): 29-34
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (2.15 MB)

    Description

    Density profile and fiber orientation were evaluated for their effects on selected mechanical properties of medium density fiberboard. Bending MOE and modulus of rigidity were predicted from density profiles established by x-ray radiography. Orthotropic ratios ranged from 1.19 to 2.32 for electrically aligned fiberboards from three southern hardwoods. Off-axis tensile and compressive behavior was best described by Hankinson's formula when compared with other methods. Results indicate that oriented fiberboards have mechanical properties superior to boards of equal density but with randomly placed fibers; woody raw material can be best utilized as structural panels, therfore, in boards with oriented fibers.

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    Citation

    Woodson, George E. 1977. Density profile and fiber alignment in fiberboard from three southern hardwoods. Forest Products Journal, Vol. 27(8): 29-34

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https://www.fs.usda.gov/treesearch/pubs/24233