Rationality of Kiri Wood(Paulownia tomentosa)in Traditional Uses

DOI Web Site 6 References
  • MINATO Kazuya
    Biological Function Sci. Course, Graduate School of Agriculture, Kyoto Pref. Univ.
  • ITO Yuko
    Forest Sci., Faculty of Agriculture, Kyoto Pref. Univ.
  • SUGAWARA Haruka
    Forest Sci., Faculty of Agriculture, Kyoto Pref. Univ.

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Other Title
  • キリ材（Ｐａｕｌｏｗｎｉａ　ｔｏｍｅｎｔｏｓａ）の伝統的用途における合目的性
  • キリザイ Paulownia tomentosa ノ デントウテキ ヨウト ニ オケル ゴウモクテキセイ

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Physical and mechanical properties of kiri wood (Paulownia tomentosa) were estimated from the viewpoint of rationality as the Japanese traditional uses, such as furniture, fittings, and Japanese harp. From the responses of dimension and moisture content to the humidity change, the superiority of kiri wood among many kinds of hard-woods was verified in dimensional stability and humidity-controlling function. These properties of kiri wood accord with the aptitude to the furniture and woodcrafts. Furthermore, it was supported that the vibrational properties of kiri satisfy the necessary conditions (low loss tangent and high acoustic converting efficiency) for the soundboard of stringed instruments.

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