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Forest Products Laboratory
One Gifford Pinchot Drive
Madison, WI 53726-2398
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Title: Drying Stresses in Red Oak

Source: Forest Products Journal

Author(s): McMillen, J.M.

Publication Year: 1955  View PDF »

Category: Journal Articles

Abstract: The effect of relative humidity variation on tensile and compressive stresses, perpendicular to grain, during drying of 2-inch red oak at 110° F. is reported. The general pattern of strains was the same as previously found for other hardwoods. Details were affected by humidity differences. Both external set and internal set occurred. The external set tending to decrease shrinkage, was proportional to severity of humidity schedule. Shrinkage, strain, and external set started while only a small portion of the wood was below 30 percent moisture content. The centers were still above 30 percent when maximum internal tensile strain occurred.

Keywords: drying, stresses, red oak, air drying, kiln drying

Publication Review Process: Non-Refereed (Other)

File size: 738 kb(s)

Date posted: 08/06/2012
RITS Product ID: 60572

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