鉄と鋼
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
加工・加工熱処理
様々な応力状態における鋼板の変形挙動:材料試験法と材料モデリング
桑原 利彦
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2022 年 108 巻 4 号 p. 233-248

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Forming simulation is an indispensable analysis tool in industry. The most important thing in forming simulation is to reproduce the deformation behavior of the material during forming as accurately as possible. This paper reviews various material test methods developed from the viewpoint of improving the accuracy of material models for sheet metals, and the deformation characteristics and material modeling of steel sheets. Section 2 describes the difference between the yield surface and the contour of plastic work to explain the advantages of constructing a material model based on the latter. Section 3 gives an overview of various material test methods for measuring the contour of plastic work of sheet metals. Sections 4 and 5 show examples of measuring the deformation behavior of steel sheets in linear and nonlinear stress paths, and related literature.

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© 2022 一般社団法人 日本鉄鋼協会

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https://creativecommons.org/licenses/by-nc-nd/4.0/
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