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Acoustic Characterization of Coatings for Stringed Instruments with Various Coating Thickness  

Choi, Jae-Hoon (Lab. of Adhesion & Bio-Composites, Major in Environmental Materials Science, Department of Forest Science, Seoul National University)
Hwang, Heon-Deuk (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.34, no.1, 2006 , pp. 32-39 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 and UV-curable epoxy coating. Acoustic properties of coatings inferred from the elastic modulus and the shear modulus that ware calculated from a resonance frequency and a damping measured by FFT analyzer. The relationship between elastic modulus and density and the relationship between elastic modulus and shear modulus of coatings for stringed musical instruments ware investigated as a function of coating thickness.
Keywords
acoustic; viscoelastic; RPT; FFT; stringed instrument; coating thickness;
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