627 引張負荷による免震用ゴム材料のボイドの生成

概要

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It is know that some voids in the rubber for the material of the seismic isolation are nucleated due to applying tension. Since the void nucleation affects the mechanical properties of this, it is important that the critical stress for void nucleation is to be clear. On the experiment the cyclic tension tests are conducted for obtaining the variation of stress-strain relation using by thin rubber disk specimen. After the tests specimens are cut and observed the surface configuration, especially void nucleation. Furthermore, the stress distribution in the rubber plate under tension load are determined by FEM. From the comparison of both results, the state of critical stress is estimated.
一般社団法人日本機械学会の論文
2000-09-01