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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국항공우주학회 International Journal of Aeronautical and Space Sciences International Journal of Aeronautical and Space Sciences Volume.18 Number.2
- 발행연도
- 2017.6
- 수록면
- 236 - 244 (9page)
- DOI
- 10.5139/IJASS.2017.18.2.236
이용수
초록· 키워드
오류제보하기
In this study, the high-velocity impact penetration behavior of [45/0/-45/90]㎱ carbon/epoxy composite laminates was studied. The considered configuration includes a spherical steel ball impacting clamped circular laminates with various thicknesses and diameters. First, the impact experiment was performed to measure residual velocity and extent of damage. Next, the impact experiment was numerically simulated through finite element analysis using LS-dyna. Three-dimensional solid elements were used to model each ply of the laminates discretely, and progressive material failure was modeled using MAT162. The result indicated that the finite element simulation yielded residual velocities and damage modes well-matched with those obtained from the experiment. It was found that fiber damage was localized near the impactor penetration path, while matrix and delamination damage were much more spread out with the damage mode showing a dependency on the orientation angles and ply locations. The ballistic-limit velocities obtained by fitting the residual velocities increased almost linearly versus the laminate diameter, but the amount of increase was small, showing that the impact energy was absorbed mostly by the localized impact damage and that the influence of the laminate size was not significant at high-velocity impact.
목차
Abstract
1. Introduction
2. Experiment
3. Analysis
4. Results and discussion
5. Conclusion
References
참고문헌 (24)
참고문헌 신청
Mangalgiri, P. D., “Composite Materials for Aerospace Applications”, Bulletin of Materials Science, Vol. 22, No. 3, 1999, pp. 657-664.
Karbhari, V. M. and Zhao, L., “Use of Composites for 21st Century Civil Infrastructures”, Computer Methods in Applied Mechanics and Engineering, Vol. 185, No. 2-4, 2000, pp. 433-454.
Das, S., Warren, J. and West, D., Global Carbon Fiber Composites Supply Chain Competitiveness Analysis, Technical Report, ORNL/SR-2016/100, NREL/TP-6A50-66071, 2016.
Cantwell, W. J. and Morton, J., “The Impact Resistance of Composite Materials ? a Review”, Composites, Vol. 22, No. 5, 1991, pp. 347-362.
Richardson, M. O. W. and Wisheart, M. J., “Review of Low-velocity Impact Properties of Composite Materials”, Composites A, Vol. 27, No. 12, 1996, pp. 1123-1131.
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UCI(KEPA) : I410-ECN-0101-2018-558-001015701