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이 논문의 연구 히스토리 (8)

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Aluminum materials have been widely used in various vehicle structures. If composite materials are applied to vehicle structures, it is expected that not only the weight of the vehicle is decreased but also it absorb large amounts of energy. Aluminum tubes are lower than CFRP (Carbon Fiber Reinforced Plastics) tubes in the collapse load but absorb energy by stable plastic deformation. On the other hand, CFRP tubes are higher than aluminum tubes in the collapse load but absorb energy by unstable brittle failure. The combination of aluminum and composite may result in stable deformation and excellent energy absorption efficiency. The compressive axial collapse tests were performed to investigate collapse characteristics of Al/CFRP compound tubes which are aluminum tubes wrapped with CFRP outside the aluminum circular and square tubes. Based on collapse characteristics of aluminum tubes and CFRP tubes respectively, the axial collapse tests were performed for Al/CFRP compound tubes which have different CFRP orientation angles. Test results showed that Al/CFRP compound tubes supplemented the unstable brittle failure of CFRP tubes due to ductile nature of inner aluminum tubes. In the light-weight aspect, Absorbed energy per unit mass of circular tubes was higher than square tubes'. Absorbed energy per unit mass showed highest when CFRP orientation angle was 90 degrees.

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Abstract
1. 서론
2. 시험편
3. 압궤실험
4. 결과 및 고찰
5. 결론
References

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UCI(KEPA) : I410-ECN-0101-2009-556-016539842