圧縮せる異方性粉体内の応力分布

概要

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One of the authors has already published the results of the researches about the stress distribution of powder pressed in a cylinder. According to one of these results, the displacement at the top of the powder is proportional to the load in the second loading until the second load reaches the amount of the first loading. So we can assume that the powder which is pressed once becomes elastic and we can calculate the stress distribution in it by the same method as that of the elasticity. At the previous research, as we assumed the pressed powder was isotropic, we could not calculate the stress in anisotropic powder. On the other hand, it is considered now that even if the powder is isotropic before it is pressed, its elastic property after being pressed in the direction of the axis of the cylinder is not the same as that in the direction perpendicular to the axis. Now this time, we determine the stress distribution under the assumption that the powder is anisotropic and obtain more correct results.
1957-07-25