S0303-3-7 木材の晩材早材別の弾性係数測定([0303-3]材料機能性と強度に及ぼす環境と場の影響に関する弾性数理解析(3))

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  • S0303-3-7 Measurement of Young's Modulus of the early and late part of wood

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In this paper, the elastic modulus of the early part and the late part of Japanese cedar is measured by the three methods. These methods are the bending test, micro indentation and nanoindentation. Measured data are compared to each other. It is defined that the measured value by the micro indentation test is smaller than the values by the other two methods. This phenomenon shuld be related to the micro structure of the wood. It is confiremed that the firther study is requierd in order to get distinct mechanism.

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