円孔を有する試験体のねじり振動試験によるシトカスプルースのせん断弾性係数の評価

DOI Web Site 参考文献12件 オープンアクセス

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タイトル別名
  • Shear Modulus of Open-Hole Sitka Spruce Obtained from a Torsional Vibration Test

抄録

<p>In this study, torsional vibration tests of open-hole Sitka spruce samples were performed, and the influence of the diameter and position of the hole on the value of the nominal shear modulus were examined. The nominal shear modulus value decreased as the diameter of the hole increased and the hole position approached the mid-length of the sample. Nevertheless, such decrements were gentler than the nominal elastic moduli obtained from the longitudinal and flexural vibration tests obtained in a previous publication. A formula for deriving the nominal shear modulus of open-hole sample was proposed by modifying the equation obtained in a previous study, and the accuracy was improved, although the numbers of parameters contained in the equation increased.</p>

収録刊行物

  • 材料

    材料 71 (5), 467-470, 2022-05-15

    公益社団法人 日本材料学会

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