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Viscoelastic and Acoustic Characterization of Coatings for Stringed Instruments  

Choi, Jae-Hoon (Lab. of Adhesion & Bio-Composites, Major in Environmental Materials Science, Department of Forest Science, Seoul National University)
Lee, Byoung-Hoo (Lab. of Adhesion & Bio-Composites, Major in Environmental Materials Science, Department of Forest Science, Seoul National University)
Kim, Hyun-Joong (Lab. of Adhesion & Bio-Composites, Major in Environmental Materials Science, Department of Forest Science, Seoul National University)
Chung, Woo-Yang (Department of Wood Science and Engineering, Chonnam National University)
Publication Information
Journal of the Korean Wood Science and Technology / v.33, no.4, 2005 , pp. 15-22 More about this Journal
Abstract
The acoustic properties of various coatings for stringed musical instruments made were investigated. The applied coatings were urethane topcoat, oil stain, natural varnish, cashew and UV-curable epoxy coating. Acoustic properties of coatings inferred from a resonance frequency and a damping measured by FFT analyzer and tan ${\delta}$ measured by DMTA. Acoustic properties from resonance frequency and damping were analyzed. Optimum coating for stringed instruments was determined by viscoelastic properties and acoustic properties of coating.
Keywords
acoustic; viscoelastic; DMTA; FFT; stringed instrument; coating;
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