813 回転円板の偏心による不釣合い負荷が応力拡大係数に及ぼす影響(GS1-(2) 通常セッション,オーガナイズドセッション)

概要

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Many machines depend on the rotary machines such as engines and motors for the power. However, stress analysis and intensity analysis of the solid of revolution is important, because the severity of rotary machine increases. In this study, rotating disk models having crack as defect was made from polycarbonate material, and the rotation axis was made eccentric. And the stress freezing experiment is conducted; the observation of stress around a crack tip caused by the roation in a stationary state is enables. By doing the analysis of the state of stress riser's stress, the relation between stress around a crack tip and amount of eccentric is clarified. The evaluation is obtained by the stress intensity factor calculated from caustics method.
一般社団法人日本機械学会の論文
2009-08-25