Journal
COMPOSITES PART B-ENGINEERING
Volume 50, Issue -, Pages 15-21Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2013.01.021
Keywords
Wood; Physical properties; Optical microscopy; Machining; Oriented strand board
Funding
- Canadian Foundation for Innovation
- British Columbia Knowledge Development Fund
- Ainsworth Lumber Company
- Virginia Tech's Wood-based Composite Centre
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The objective of this research was to optimize the dimensions of machined tapers (bevels) at the edges of oriented strand board (OSB) to reduce the differential edge swelling (edge-flare) that causes problems when OSB is exposed to water. Machining an edge-taper, 0.6 mm-deep and 10 or 20 mm-wide eliminated edge-flare, but shallower tapers, 0.2 or 0.4 mm deep, were less effective. The combination of a 0.6 mm edge-taper and an effective edge-seal allows manufacturers of OSB to produce composite panels with reduced tendency to develop edge-flare, without having to modify the physical characteristics of panels or add additional adhesive or wax to the composite. (C) 2013 Elsevier Ltd. All rights reserved.
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