지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 저널정보
- 한국소성·가공학회 기타자료 The 8th International Conference and Workshop on numerical simulation of 3D seet metal forming processes (NUMISHEET 2011)
- 발행연도
- 2011.8
- 수록면
- 158 - 164 (7page)
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초록· 키워드
오류제보하기
Plastic deformation characteristics and limit strains are simulated for textured face-centered cubic polycrystalline sheets using a generalized Taylor-type crystal plasticity model. The r-values are predicted to be 1.04, 7.74 and 0.17 for the random, {111}〈uvw〉 and {001}〈uvw〉 textures, respectively. The {111}〈uvw〉 texture gives limit strains as large as the random texture, whereas the {001}〈uvw〉 texture yields limit strains evidently higher than the other two even though its r-value is extremely low. Thus, the r-value cannot act as an indicator to the stretchability of sheet metals. For the {001}〈uvw〉 texture, a superior strain-hardening ability under plane-strain stretching mode is found to be responsible for the increase in the limit strains under plane-strain and equi-biaxial stretching modes. We conclude that the enhancement of the strain-hardening ability for plane strain mode is one of the key factors for high stretchability sheets.
목차
Abstract
INTRODUCTION
PROCEDURE OF NUMERICAL SIMULATION
RESULTS
CONCLUSIONS
REFERENCES
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