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Variations in Transverse Fibre Wall Properties: Relations Between Elastic Properties and Structure
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A. Bergander
Published/Copyright:
June 1, 2005
Summary
The transverse mechanical properties of the wood fibre play important roles in the use of wood and its fibres in various applications. However, the variation in properties of fibres from different parts of the tree and the relation of these properties to the structure of the fibre is not yet established. This study focuses on the variation in the transverse elastic modulus of the fibre wall and its relation to the fibril structure of the S2- and S1-layer. For this reason the local fibril angle of radial and tangential fibre walls were measured by polarisation confocal microscopy. It was shown that the variation in fibril angle of the S2-layer seems to have very little influence on the transverse modulus of the fibres. Instead the thickness and fibril angle of the S1- and thus also the S3-layer should contribute to the variation in transverse modulus between earlywood and transition wood fibres. The importance of the ray cells for the transverse elastic properties of the wood was also emphasised.
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Published Online: 2005-06-01
Published in Print: 2000-10-25
Copyright © 2000 by Walter de Gruyter GmbH & Co. KG
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Articles in the same Issue
- Species Index
- Author Index
- Contents
- Subject Index
- Yeast and Bacteria as Biological Control Agents Against Fungal Discolouration of Pinus sylvestris Blocks in Laboratory-Based Tests and the Role of Antifungal Volatiles
- Copper Accumulation in the Digestive Caecae of Limnoria quadripunctata Holthius (Isopoda: Crustacea) Tunnelling CCA-Treated Wood in Laboratory Cultures
- Chromated Copper Arsenate Preservative Treatment of North American Hardwoods. Part 1. CCA Fixation Performance
- Medium Density Fibreboard Manufactured from Blends of White Cypress Pine and Non-Durable Wood Species Shows Increased Resistance to Attack by the Subterranean Termite C. lacteus
- Role of a Labile Terpene Compound in the Assessment of the Age of a Fossil Wood from Siena (Tuscany, Italy)
- Neolignan Skeletons and Benzodioxanes Through Chiral Aryl Alkyl Ether Formation
- Use of β-13 C labelled Coniferyl Alcohol to Detect "End-Wise" Polymerization in the Formation of DHPs
- Bleachability of Alkaline Pulps. Part 1. The Importance of β-Aryl Ether Linkages in Lignin
- Solid State NMR Studies on Cellulose Crystallinity in Fines and Bulk Fibres Separated from Refined Kraft Pulp
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- Pattern of Alkali Impregnation of Poplar Wood at Moderate Conditions
- Structure and Reactivity of Lignins and Associated Phenolic Acids in Wheat Straw TMP and CTMP Pulps
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- The Kismet of Residual During LMS Delignification of High-Kappa Kraft Pulps
- Variations in Transverse Fibre Wall Properties: Relations Between Elastic Properties and Structure
- Application of the GAB Sorption Isotherm Model to Klinki Pine (Araucaria klinkii Lauterb.)
- Strain Changes on the Inner Bark Surface of an Inclined Coniferous Sapling Producing Compression Wood
- Effects of Chemical Modification Reagents on Acoustic Properties of Wood
- J.L. McCarthy In Memoriam
- Acknowledgement
