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Licensed Unlicensed Requires Authentication Published by De Gruyter June 29, 2009

Characterizing hydro-thermal compression behavior of aspen wood strands

  • Cheng Zhou , Gregory D. Smith and Chunping Dai
From the journal Holzforschung

Abstract

Wood-based composites, such as oriented strand board, are typically manufactured by consolidating mats of resinated wood elements under heat and pressure. During this process, the temperature and moisture content distributions within the mat greatly affect the properties of end products. To improve the fundamental understanding of mat consolidation during hot-pressing, a model is established to investigate the transverse compression behavior of aspen wood strands for a variety of combinations of temperatures (20–200°C) and moisture contents (0–15%). A regression approach is used to obtain the modulus-temperature-moisture relationship. In addition, elevated temperatures and moistures are found to influence the strain function of wood strands, which was previously assumed to be independent of these factors.


Corresponding author. FPInnovations – Forintek Division, 2665 East Mall, Vancouver, BC, Canada V6T 1W5

Received: 2009-1-30
Accepted: 2009-5-14
Published Online: 2009-06-29
Published Online: 2009-06-29
Published in Print: 2009-09-01

©2009 by Walter de Gruyter Berlin New York

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