- 속도의존성 재료에 대한 축대칭 전방압출의 유한요소 해석
- Finite element analysis of axisymmetric extrusion with strain rate sensitive materials
- ㆍ 저자명
- 최재찬,김병민,이종수,조남춘
- ㆍ 간행물명
- 大韓機械學會論文集
- ㆍ 권/호정보
- 1991년|15권 2호|pp.537-543 (7 pages)
- ㆍ 발행정보
- 대한기계학회
- ㆍ 파일정보
- 정기간행물| PDF텍스트
- ㆍ 주제분야
- 기타
In this study, the strain rate effects are considered in the formulation by introducing the constitutive equation of the strain rate sensitive materials and rigid-viscoplastic finite element program is developed for axisymmtric extrusion. The effect of strain rate sensitivity on the flow characteristics and forming pressure are investigated and the experiments are carried out for extrusion with pure lead specimens. The theoretically predicted forming pressure showed reasonably good agreement with the experimental values.