バイオミメティックデザインによる固‐流体複合材料の内部非粘性流れに基づく動力学的荷重分散特性

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  • Kinetic Load Dispersion Properties Based on Internal Nonviscous Flow for Solid-Fluid Composites by Biomimetic Design
  • バイオミメティックデザインによる固-流体複合材料の内部非粘性流れに基づく動力学的荷重分散特性
  • バイオミメティック デザイン ニ ヨル コ リュウタイ フクゴウ ザイリョウ ノ ナイブ ヒネンセイ ナガレ ニ モトズク ドウリキガクテキ カジュウ ブンサン トクセイ

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This research purpose is to learn mechanical hybrid construction of the bone tissues and to apply their design theory for development of the new composite materials adapting themselves to the mechanical designs in the next generation. As for the new composites from the biomimetic design for load dispersion properties of the cancellous bone, the solid-fluid composites have been proposed in the previous researches, where in order to apply the approximation of nonviscous body for the beginning of analyses, the solid-air composites were introduced for the solid-fluid composition of the cancellous bone by using aluminum honeycomb core as a solid component and air as an internal fluid one. In the present research, from the viewpoint of bio-kinematics, deformation state and the reaction force distribution of the solid-air composites were measured under kinetic indentation tests, and the load dispersion properties were evaluated by comparison with the experimental results under static indentation tests. It was concluded that the internal nonviscous flow had a great effect on kinetic load dispersion properties of the solid-air composites because both the deformation state and the reaction force distribution of aluminum honeycomb core were independent of the indentation speed under this loading condition. The experimental results were verified by dynamic solid-fluid coupling analyses applying a finite element model.

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  • 材料

    材料 57 (5), 430-435, 2008

    公益社団法人 日本材料学会

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