塑性と加工
Online ISSN : 1882-0166
Print ISSN : 0038-1586
ISSN-L : 0038-1586
論文
結晶方位データベースを応用したスプリングバック量の統計的推定
酒井 孝平尾 哲郎小俣 均小山 純一
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ジャーナル フリー

2013 年 54 巻 625 号 p. 158-162

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Using a crystal orientation database, a statistical estimation of springback was conducted in this study on the by basis of statistical analysis. Both springback in bending deformation and experimental data related to the crystal orientation show significant dispersion. Therefore, a probabilistic statistical approach was established for the proper quantification of these values. Correlation was examined among the parameters F(x) of springback, F(x) of the buildup fraction to three orientations after 92° bending, and F(x) at an as-received part on the basis of the three-parameter Weibull distribution. Consequent springback estimation using a crystal orientation database yielded excellent estimates compared with experimental values. Consequently, the estimation of springback using a crystal orientation database proposed in this study suggests promising possibilities toward the high-precision bending of high-strength materials.

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© 2013 一般社団法人 日本塑性加工学会
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