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Structural and acoustic properties of African padouk (Pterocarpus soyauxii) wood for xylophonesStraže, Aleš ...The possibility of supplementing the subjective traditional assessment of wood quality for percussion instruments with reliable acoustic measurements was studied. Sawn boards of African padouk ... (Pterocarpus soyauxii Taub.) were selected in a timber yard and classified into five grades by using the dynamic combined specific modulus of elasticity. Then they were sawn into raw xylophone bars, which were afterwards traditionally graded by listening to the sound damping at flexural bending excitation and additionally by acoustic measurements. A high quality grade matching of xylophone bars and sawn boards was confirmed. Highly graded material was mostly quarter sawn with straight or moderately interlocked grain. The sound quality of raw xylophone bars was not influenced by the wood density. It negatively correlated with sound damping (tan %) and positively with the specific modulus of elasticity and with absolute and relative acoustic conversion efficiency. The audial grading of xylophone bars could be improved or substituted by relative acoustic conversion efficiency.Source: European journal of wood and wood products = Holz als Roh- und Werkstoff. - ISSN 0018-3768 (Vol. 73, No. 2, 2015, str. 235-243)Type of material - article, component part ; adult, seriousPublish date - 2015Language - englishCOBISS.SI-ID - 2347913
Author
Straže, Aleš |
Mitkovski, Bogdan |
Tippner, Jan |
Čufar, Katarina |
Gorišek, Željko
Topics
les |
akustičnost lesa |
akustične lastnosti lesa
source: European journal of wood and wood products = Holz als Roh- und Werkstoff. - ISSN 0018-3768 (Vol. 73, No. 2, 2015, str. 235-243)
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Straže, Aleš | 18149 |
Mitkovski, Bogdan | |
Tippner, Jan | |
Čufar, Katarina | 02937 |
Gorišek, Željko | 05732 |
Source: Personal bibliographies
and: SICRIS
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