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Publication: Forest Products Journal
Authors: Koch C B
Reference ID: 16(10):57-60
Publish Year: 1966
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Title: Effect of Compression on Moisture Content and Sorption Hysteresis of Aspen Plywood
Description:
Specimens of aspen plywood from quarter-sliced veneer were conditioned to 8 and 16 percent moisture content and compressed in the tangential direction to strain levels of from zero to 45 percent. Compression at 8 percent moisture content resulted in a moisture loss approximately proportional to the degree of compression. The reduction in moisture content resulting from compression remained after pressure release followed by drying and reconditioning. Compression at 16 percent moisture content did not result in significant moisture losses. Drying followed by reconditioning under the relative humidity in existence during compression demonstrated an increase in moisture hysteresis. The increase was approximately proportional to the degree of compression.
Specimens of aspen plywood from quarter-sliced veneer were conditioned to 8 and 16 percent moisture content and compressed in the tangential direction to strain levels of from zero to 45 percent. Compression at 8 percent moisture content resulted in a moisture loss approximately proportional to the degree of compression. The reduction in moisture content resulting from compression remained after pressure release followed by drying and reconditioning. Compression at 16 percent moisture content did not result in significant moisture losses. Drying followed by reconditioning under the relative humidity in existence during compression demonstrated an increase in moisture hysteresis. The increase was approximately proportional to the degree of compression.
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