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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한기계학회 Journal of Mechanical Science and Technology Journal of Mechanical Science and Technology Vol.21 No.12
- 발행연도
- 2007.12
- 수록면
- 2,023 - 2,030 (8page)
이용수
초록· 키워드
오류제보하기
Three-dimensional micromechanics models were created for cross-ply carbon fiber/epoxy composite with a layer stacking-sequence arranged in [0/90]s. Elasto-plastic finite element (FE) analysis was performed to study the effects of thermal residual stress and the stress redistribution as individual fiber fractures. The modified Rice and Tracey (RT) void growth model was used to predict the location of transverse matrix crack. The stress amplification factors (SAF) in intact fibers adjacent to a fractured fiber were calculated and compared with the planar array composite. The FE results show that small defects have already formed in curing process, and ply-delamination is likely to occur near the corner of free-edges. The transverse matrix crack was predicted to occur near the fiber fracture location in the models having little inter-fiber spacing.
목차
Abstract
1. Introduction
2. Failure prediction in cross-ply composite
3. Micromechanics-based finite element models
4. Results and discussion
5. Conclusions
Acknowledgments
References
참고문헌 (17)
참고문헌 신청
1. [학술지(정기간행물)] - / 2003 / Effect of inter-fiber spacing and matrix cracks on stress amplification factors in carbon-fiber/epoxy matrix composites 34 (12) : 1227 ~ 1234
2. [학술지(정기간행물)] - / 2006 / Effect of inter-fiber spacing and matrix cracks on stress amplification factors in carbon-fiber/epoxy matrix composites. 37 (11) : 1936 ~ 1943
3. [학술지(정기간행물)] - / 2006 / Free-edge and ply cracking effect in cross-ply laminated composites under uniform extension and thermal loading 76 (4) : 314 ~ 325
4. [학술지(정기간행물)] - / 1993 / H. D. Wagner and A. Eitan Stress concentration factors in two-dimensional composites effects of material and geometrical parameters : 353 ~ 362
5. [학술지(정기간행물)] - / 1999 / Stress concentrations caused by fiber failure in two-dimensional composites 59 (7) : 1063 ~ 1071
2. [학술지(정기간행물)] - / 2006 / Effect of inter-fiber spacing and matrix cracks on stress amplification factors in carbon-fiber/epoxy matrix composites. 37 (11) : 1936 ~ 1943
3. [학술지(정기간행물)] - / 2006 / Free-edge and ply cracking effect in cross-ply laminated composites under uniform extension and thermal loading 76 (4) : 314 ~ 325
4. [학술지(정기간행물)] - / 1993 / H. D. Wagner and A. Eitan Stress concentration factors in two-dimensional composites effects of material and geometrical parameters : 353 ~ 362
5. [학술지(정기간행물)] - / 1999 / Stress concentrations caused by fiber failure in two-dimensional composites 59 (7) : 1063 ~ 1071
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UCI(KEPA) : I410-ECN-0101-2009-550-016116309