日本機械学会関東支部総会講演会講演論文集
Online ISSN : 2424-2691
ISSN-L : 2424-2691
セッションID: GS0413
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GS0413 Numerical study of influencing parameters of single crystal iron static recrystallization
駱 自超寺野 元規吉野 雅彦
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会議録・要旨集 フリー

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To serve the purpose of controlling the microstructure of metal materials, it is critical to build a quantitative model to predict static recrystallization behavior. The first step to develop this model would be to relate cold working conditions to the remained stress and strain in a specimen. In order to visualize stress and strain distributions in single crystal iron specimens after tensile tests, crystal plasticity finite element method(CP-FEM) which takes crystalline anisotropy into account is incorporated in the UMAT user subroutine of the commercial software package ABAQUS. To estimate the parameters in CP-FEM, single crystal iron tensile tests with various crystal orientations are conducted and strain-stress curves are derived based on the digital image correlation toolbox NCORR. Based on abundant experimental, parameters in CP-FEM are determined and good agreement with the experiments is derived.
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