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<datestamp>2014-10-28</datestamp>
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<publisher>HAL CCSD</publisher>
<title lang=en>Characterisation and categorisation of the diversity in viscoelastic vibrational properties between 98 wood types</title>
<creator>Brémaud, Iris</creator>
<creator>El Kaïm, Yves</creator>
<creator>Guibal, Daniel</creator>
<creator>Minato, Kazuya</creator>
<creator>Thibaut, Bernard</creator>
<creator>Gril, Joseph</creator>
<contributor>Mécanique de l'arbre et du bois ; Laboratoire de Mécanique et Génie Civil (LMGC) ; CNRS - Université de Montpellier (UM) - CNRS - Université de Montpellier (UM)</contributor>
<contributor>Servex ; Laboratoire de Mécanique et Génie Civil (LMGC) ; CNRS - Université de Montpellier (UM) - CNRS - Université de Montpellier (UM)</contributor>
<contributor>CIRAD ; Centre de coopération internationale en recherche agronomique pour le développement [CIRAD]</contributor>
<contributor>Laboratory of Forest Resources Circulatory System ; Kyoto Prefectural University</contributor>
<contributor>Mécanique de l'arbre et du bois ; Laboratoire de Mécanique et Génie Civil (LMGC) ; CNRS - Université de Montpellier (UM) - CNRS - Université de Montpellier (UM) - Ecologie des forêts de Guyane (ECOFOG) ; Université des Antilles et de la Guyane (UAG) - AgroParisTech - Institut national de la recherche agronomique (INRA) - Centre de coopération internationale en recherche agronomique pour le développement [CIRAD] - CNRS - Université des Antilles et de la Guyane (UAG) - AgroParisTech - Institut national de la recherche agronomique (INRA) - Centre de coopération internationale en recherche agronomique pour le développement [CIRAD] - CNRS</contributor>
<description>International audience</description>
<source>Annals of Forest Science</source>
<publisher>Springer Verlag (Germany)</publisher>
<identifier>hal-00808242</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00808242</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00808242/document</identifier>
<source>https://hal.archives-ouvertes.fr/hal-00808242</source>
<source>Annals of Forest Science, Springer Verlag (Germany), 2012, 68 (4), pp.681-688. <10.1007/s13595-011-0166-z></source>
<identifier>DOI : 10.1007/s13595-011-0166-z</identifier>
<language>en</language>
<subject lang=en>damping coefficient</subject>
<subject lang=en>dynamic mechanical properties</subject>
<subject lang=en>specific dynamic modulus of elasticity</subject>
<subject lang=en>specific gravity</subject>
<subject lang=en>viscoelastic vibrational properties</subject>
<subject lang=en>wood diversity</subject>
<subject>[SPI.MAT] Engineering Sciences/Materials</subject>
<subject>[SPI.MECA.MEMA] Engineering Sciences/Mechanics/Mechanics of materials</subject>
<subject>[PHYS.MECA.MEMA] Physics/Mechanics/Mechanics of materials</subject>
<subject>[SPI.MECA.VIBR] Engineering Sciences/Mechanics/Vibrations</subject>
<subject>[PHYS.MECA.VIBR] Physics/Mechanics/Vibrations</subject>
<type>Journal articles</type>
<description lang=en>*Context Increased knowledge on diversity in wood properties would have implications both for fundamental research and for promoting a diversification of uses as material. *Aims The objective is to contribute to overcoming the critical lack of data on the diversity of wood dynamic mechanical/viscoelastic vibrational properties, by testing lesser-known species and categorizing sources of variability. *Methods Air-dry axial specific dynamic modulus of elasticity (E'/γ) and damping coefficient (tanδ) were measured on a wide sampling (1792 specimens) of 98 wood types from 79 species. An experimental device and protocol was designed for conducting systematic (i.e. rapid and reproducible) characterizations. *Results Diversity at the specimens' level corroborates the "standard" relationship between tanδ and E'/γ, which is discussed in terms of orientation of wood elements and of chemical composition. Diversity at the species level is expressed on the basis of results for normal heartwood, with specific gravity (γ) ranging from 0.2 to 1.3. Axial E'/γ ranges from 9 to 32 GPa and tanδ from 4×10-3 to 19×10-3. Properties distribution follows a continuum, but with group characteristics. The lowest values of tanδ are only found in certain tropical hardwoods. Results can also suggest alternative species for musical instruments making.</description>
<date>2012</date>
</dc>
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