10507 マイクロ深絞り性に及ぼす金属箔材の材料不均質性の影響に関する有限要素解析 [in Japanese] 10507 FE Analysis on Effect of Material Inhomogeneity on Micro Deep Drawability for Metal Foils [in Japanese]
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In this study, the effect of material inhomogeneity on micro deep drawability for metal foils with thickness of 20μm is investigated by establishing FE model considering material inhomogeneity. As a result of FE analyses with homogeneous and inhomogeneous models, the limiting drawing ratio (LDR) is lowered with increasing grain size. It is because of microscopic inhomogeneous deformation and then the occurrence of wrinkle and strain localization. Furthermore, LDR is also lowered with increasing the standard deviation of inhomogeneous parameter. It is because of the evolution of localized deformation owing to surface roughening.
- The Proceedings of Conference of Kanto Branch
The Proceedings of Conference of Kanto Branch 2015.21(0), _10507-1_-_10507-2_, 2015
The Japan Society of Mechanical Engineers