Basic mechanical properties of flakeboards from ring-cut flakes of eastern hardwoods

Tension, compression, interlaminar shear, and dynamic modulus of elasticity values are presented for flakeboards made of ring-cut flakes from large chips of six species of American hardwoods. These data can be used for design of multilayer flakeboards, in particular, for design of bending stiffness. Mechanical properties of aspen or yellow-poplar panels made from these flakes were similar to those of commercial waferboard panels of roughly similar density. Panels made of the higher density hardwoods were more dense than commercial waferboard and had superior mechanical properties. In general, at a given compaction ratio, panels of flakes from dense species showed superior mechanical properties. However, panels made from oak flakes showed poorer mechanical properties than those made of maple or beech flakes, even though the oak panels were more dense.

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