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Ductile fracture simulation of 304 stainless steel pipes with two circumferential surface cracks
- Kim, J-H.;
- Kim, N-H.;
- Kim, Y-J.;
- Hasegawa, K.;
- Miyazaki, K.
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37초록
In this paper, ductile fracture behaviours of 304 stainless steel pipes with two circumferential surface cracks under pure bending are simulated using finite element damage analyses. Simulations are based on the stress-modified fracture strain model with the concept that the critical accumulated damage for progressive cracking is assumed to be dependent on an element size. The proposed method can predict not only maximum loads but also complex ductile fracture patterns observed in experiments.
키워드
ductile fracture simulation; element-size-dependent critical damage model; experimental validation; finite element analysis; stress-modified fracture strain; VOID GROWTH; FAILURE; STRESS; STRAIN; INITIATION; STATE; MODEL
- 제목
- Ductile fracture simulation of 304 stainless steel pipes with two circumferential surface cracks
- 저자
- Kim, J-H.; Kim, N-H.; Kim, Y-J.; Hasegawa, K.; Miyazaki, K.
- 발행일
- 2013-10
- 유형
- Article
- 권
- 36
- 호
- 10
- 페이지
- 1067 ~ 1080