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논문 기본 정보

저자정보
(한국생산기술연구원) (한국생산기술연구원) (한국생산기술연구원) (한국생산기술연구원) (부산대학교) (한국생산기술연구원)
저널정보
한국소성·가공학회 소성·가공 소성가공 제29권 제6호(통권 제190호)
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피인용 2

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    초록·키워드

    In general, the drawing process is performed in a multi-pass to meet the required shape and cross section. In the drawn material, the surface strain is relatively higher than the center due to the direct contact with the die. Therefore, a non-uniform strain distribution appears in the surface of the material where the strain is concentrated and the center having a relatively low strain, thus it is difficult to predict the strain in the drawn material. In this study, the non-uniform strain distribution was evaluated using a finite element analysis and the non-uniform strain distribution model based on the upper bound method. In addition, the relationship between the hardness and the strain was established through a simple compression test to evaluate the distribution of the strain in the experimentally multi-pass drawn bar.

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      UCI(KEPA) : I410-ECN-0101-2021-551-000075558