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<title lang=en>Physico-chemical indicators of interspecific variability in vibration damping of wood</title>
<creator>Brémaud, Iris</creator>
<creator>Minato, Kazuya</creator>
<creator>Langbour, Patrick</creator>
<creator>Thibaut, Bernard</creator>
<contributor>Mécanique de l'Arbre et du Bois (MAB) ; Laboratoire de Mécanique et Génie Civil (LMGC) ; Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Laboratory of Forest Resources Circulatory System ; Kyoto Prefectural University</contributor>
<contributor>CIRAD-PERSYST Department ; Research unit: Production and Processing of Tropical Woods</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: 1286-4560</source>
<source>EISSN: 1297-966X</source>
<source>Annals of Forest Science</source>
<publisher>Springer Verlag/EDP Sciences</publisher>
<identifier>hal-00808338</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00808338</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00808338/document</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00808338/file/Physico-chemical_indicators_Bremaud_al.pdf</identifier>
<source>https://hal.archives-ouvertes.fr/hal-00808338</source>
<source>Annals of Forest Science, Springer Verlag/EDP Sciences, 2010, 67 (7), pp.107-114. 〈10.1051/forest/2010032〉</source>
<identifier>DOI : 10.1051/forest/2010032</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1051/forest/2010032</relation>
<language>en</language>
<subject lang=en>damping coefficient</subject>
<subject lang=en>diversity of woods</subject>
<subject lang=en>extractives</subject>
<subject lang=en>physical properties</subject>
<subject lang=en>vibrational properties</subject>
<subject>[SPI.MAT] Engineering Sciences [physics]/Materials</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en> The vibration damping coefficient (tanδ) of wood is an important property for acoustical uses, including musical instruments. Current difficulties in the availability of some of the preferred species call for diversification, but this comes up against the lack of systematic damping coefficient data. * Keeping in mind the possible factors affecting tanδ, could we predict its variations between species, by using indicators that are either easily measured and/or readily available for many species? * Vibrational properties, equilibrium moisture content and colorimetric parameters were assessed on 94 wood types belonging to 76 species. Experimental results were then related to data on chemical contents and physical properties from the CIRAD database. The "standard" relationship between tanδ and specific modulus of elasticity (E'/ρ) explained only half of the variations. Deviations from this trend were correlated to extractives content, yet effects were not directly quantitative. Damping deviations were also correlated to colour and moisture-related properties, especially so with fibre saturation point. * By taking into account a combination of moisture-related properties, colour - or extractives content, and the "standard" relationship between tanδ and E'/ρ, we could propose simple predictive models which explain up to 89% of observed variations in tanδ between 48 species.</description>
<date>2010</date>
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