접합된 알루미늄 폼에서의 충격에 의한 비틀림 특성에 관한 연구

다국어 초록 (Multilingual Abstract)

As the property of the aluminum foam with porosity, the effect of impact is distributed through the distortion of each lattice like honeycomb at impact. So, this porous aluminum foam is widely used at the crash box or the impact absorber guard rail to prevent the damage. In addition, there is a property of low weight by the chemical bonding using the adhesive. As this study investigates the distortion property of the aluminum foam bonded with adhesive, the fracture property and the stress distribution of the bonded interface are examined. The specimen thicknesses are 25, 35, 45, 55 and 65 mm. And the torsional moments corresponding to 100, 200 and 300 J are applied at one side of bonded aluminum foam. The mechanical behaviors at the bonded interface and the fixed part are also investigated. It can be seen that the minimum specimen thickness must become 55 mm and over in order to maintain the bonding force due to the applied impact energy. The analysis result of this study at the bonded interface effected on impact can be effectively applied into the safe design of the structure with the bonded aluminum foam.

목차 (Table of Contents)

• Abstract
• 1. 서론
• 2. 해석방법 및 결과
• 2.1 해석모델
• 2.2 실험모델
• 2.3 해석조건
• 3. 해석결과
• 4. 결론
• 후기
• References

참고문헌 (Reference)

1 신광복, "전체 적층판 접근법을 이용한 섬유강화 적층 복합재 차체 구조물의 파손평가 연구" 한국복합재료학회 17 (17): 18-28, 2004

2 최해규, "알루미늄 폼으로 된 DCB 모델의 피로해석에 관한 연구" 한국기계기술학회 14 (14): 39-43, 2012

3 방승옥, "알루미늄 폼 및 허니컴 샌드위치 복합재료의 압축실험에 관한 연구" 한국산학기술학회 12 (12): 3802-3807, 2011

4 B. R. K. Blackman, "The Calculation of Adhesive Fracture Energies in Mode I : Revisiting the Tapered Double Cantilever Beam(TDCB)Test" 70 (70): 233-248, 2003

5 M. M. Abdel Wahab, "Finite Element Prediction of Fatigue Crack Propagation Lifetime in Composite Bonded Joints" 35 (35): 213-222, 2004

6 양현수, "CF/Epoxy 복합재 적층쉘의 항공기 부재 충격특성에 관한 연구" 한국기계기술학회 14 (14): 17-24, 2012

7 M. De. Giorgi, "Aluminum Foams Structural Modelling" 88 (88): 25-35, 2010