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Measurement of wood shrinkage in jack pine using three dimensional digital image correlation (DIC)
-
Mingkai Peng
,
Yi-Chieh Ho
Published/Copyright:
February 29, 2012
Abstract
Dimensional stability is one of the most important properties of lumber. Shrinkage is especially critical in this regard. In this study, longitudinal, radial and tangential shrinkages in jack pine (Pinus banksiana) have been found to be 0.4, 3.3 and 5.7%, respectively, by means of three dimensional digital image correlation (3D DIC). Full field shrinkage data were extracted from two types of specimen. It was demonstrated that the 3D DIC method is a suitable method of providing localized shrinkage values. The shrinkages in the three anatomical dimensions exhibit different variation patterns from pith to bark. Detailed shrinkage measurements provided data for a better understanding and modeling of shrinkage within a tree stem, which could be useful for lumber distortion simulation.
Keywords: digital image correlation (DIC); jack pine; longitudinal, radial, and tangential shrinkage
Received: 2011-6-19
Accepted: 2012-1-25
Published Online: 2012-02-29
Published in Print: 2012-07-01
©2012 by Walter de Gruyter Berlin Boston
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Keywords for this article
digital image correlation (DIC);
jack pine;
longitudinal, radial, and tangential shrinkage
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- Original Papers
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- Isolation and characterization of β-cadinene synthase cDNA from Chamaecyparis formosensis Matsum
- Antioxidant activity of fractions from Quercus sideroxyla bark and identification of proanthocyanidins by HPLC-DAD and HPLC-MS
- New diarylpropanoids from Lindera glauca Bl. heartwood
- Extracting value-added products before pulping: Hemicellulosic ethanol from Eucalyptus globulus wood
- Effect of various pulp properties on the solubility of cellulose in sodium hydroxide solutions
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