7PM1-D-2 微小材料の塑性変形形状に及ぼす塑性異方性の影響(7PM1-D OS2 三次元の微細形状創成技術)

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  • 7PM1-D-2 Influence of plastic anisotropy on shape of micro-plastic deformation

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The material for micro plastic forming is generally made by rolling, extrusion or drawing. So the material naturally has plastic anisotropy. For macro forming, plastic anisotropy mainly influences the shape of deformation, forming limit and forming load. But for micro forming, there are a few researches on the plastic anisotropy. In this paper, we investigate plastic anisotropy for the material of micro plastic forming. A small-cube compression test is useful to measure plastic anisotropy for the local area or the small material. By using this test, we measure the influence of plastic anisotropy on the deformation shape. Since the compression test is needed to consider friction between die and specimen, we also check the influence of friction and plastic anisotropy on the deformation shape.

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