J041021 応力経路変化時における応力-ひずみ応答モデリング([J04102]工業材料の変形と強度特性及びそのモデル化(2))

概要

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It is one of the difficult problems to predict the final shape of automobile parts. In order to solve the problems, the great demands to the finite element an analysis have been needed. Especially, it demands for an accurate analysis for the multi-stamping procedures have been increasing. The present research proposes the accurate constitutive models which can deal with the stress-strain responses (the Buschinger effect and the cross effect) du ring stress path changes. The calculated results are compared with the corresponding experimental results. From the comparisons, we can conclude the developed constitutive model is effective to increase the accuracy of sheet stamping finite element calculations.
一般社団法人日本機械学会の論文
2011-09-11