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<datestamp>2018-01-11</datestamp>
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<title lang=en>Transverse shrinkage in G-fibers as a function of cell wall layering and growth strain</title>
<creator>Fang, Chang-Hua</creator>
<creator>Clair, Bruno</creator>
<creator>Gril, Joseph</creator>
<creator>Alméras, Tancrède</creator>
<contributor>Laboratoire de Mécanique et Génie Civil (LMGC) ; Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Forest Products Department ; Anhui Agricultural University [Hefei]</contributor>
<contributor>Ecologie des forêts de Guyane (ECOFOG) ; Centre de Coopération Internationale en Recherche Agronomique pour le Développement (CIRAD) - Institut National de la Recherche Agronomique (INRA) - Université des Antilles et de la Guyane (UAG) - AgroParisTech - Centre National de la Recherche Scientifique (CNRS)</contributor>
<description>International audience</description>
<source>ISSN: 0043-7719</source>
<source>EISSN: 1432-5225</source>
<source>Wood Science and Technology</source>
<publisher>Springer Verlag</publisher>
<identifier>hal-00194930</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00194930</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00194930/document</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00194930/file/WST_FANG2006.pdf</identifier>
<source>https://hal.archives-ouvertes.fr/hal-00194930</source>
<source>Wood Science and Technology, Springer Verlag, 2007, 41 (8), pp.659-671. 〈10.1007/s00226-007-0148-3〉</source>
<identifier>DOI : 10.1007/s00226-007-0148-3</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1007/s00226-007-0148-3</relation>
<language>en</language>
<subject lang=en>poplar wood</subject>
<subject lang=en>G-fibre</subject>
<subject lang=en>G-layer</subject>
<subject lang=en>growth strain</subject>
<subject lang=en>shrinkage</subject>
<subject lang=en>tension wood</subject>
<subject>[SPI.OTHER] Engineering Sciences [physics]/Other</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Transverse drying shrinkage was measured at microscopic and mesoscopic levels in poplar wood characterised by an increasing growth strain (GS), from normal to tension wood. Results show that: (a) The drying shrinkage, measured as a relative thickness decrease, was significantly higher for G-layer (GL) than the other layers (OL), GL shrinkage was not significantly correlated with GS and OL shrinkage was negatively correlated with GS. (b) In gelatinous fibre (G-fibre), lumen size increased during drying and this increase was positively related with GS, but in normal wood fibre lumen size decreased during drying. These findings suggest that GL shrank outwards, so that its shrinkage feebly affected the total cell shrinkage and the mesoscopic shrinkage was controlled by the OL shrinkage which shrank inwards. (c) Measurements done on 7×7 mm² thin sections evidenced a negative correlation between transverse shrinkage and GS, significant in T direction but weak in R direction. These observations at both levels allow to discuss the contribution of GL to the mesoscopic shrinkage of tension wood.</description>
<date>2007</date>
</dc>
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