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Title
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Longitudinal and transversal elasticity of natural and artificial materials for musical instrument reeds
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Author
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Abstract
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| The reed is the primary component in single-reed woodwind instruments to generate the sound. The airflow of the player’s mouth is the energy source and the airflow is modulated by the reed. The oscillations of the reed control the airflow. Traditionally, instrument reeds are made out of natural cane (Arundo Donax), but in efforts to overcome variability problems, synthetic reeds have been introduced. Previous investigations mainly focused on natural cane reeds and direct elasticity measurements did not discriminate between elasticity moduli along different directions. In order to obtain the mechanical properties along the direction of the reed fibres and in the orthogonal direction separately, a three-point bending testing setup was developed, which accommodates the small samples that can be cut from an instrument reed. Static moduli of elasticity were acquired in both directions. Much higher ratios between longitudinal and transversal moduli were seen in the natural cane reed as compared to the artificial reeds. Wet natural reeds showed a strong decrease in moduli of elasticity as compared to dry reeds. Elasticity was significantly higher in artificial reeds. The force–displacement curves of the wet natural reed show hysteresis, whereas the artificial materials did not. In the cane reed, higher energy losses were found in the transversal direction compared to the longitudinal direction |
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Language
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English
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Source (journal)
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Materials
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Publication
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2020
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ISSN
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1996-1944
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DOI
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10.3390/MA13204566
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Volume/pages
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13
:20
(2020)
, 13 p.
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Article Reference
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4566
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ISI
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000585511200001
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Pubmed ID
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33066637
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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