이중외팔보 알루미늄폼의 파괴 거동에 관한 연구

다국어 초록 (Multilingual Abstract)

Aluminum foam has developed in many commercial fields, especially transport machines division as a kind of porous metal. In this paper, Aluminum foam with the initial crack and closed cell form is used to take the axial load-time graph. It is fabricated with adhesively bonded DCB (Double Cantilever Beam) form and accordance with BS (British Standard) and ISO international standard. Using 10 kN Landmarks of MTS Corporation, 15 ㎜/min velocity of mode I shape is applied to aluminum foam specimen with displacement control method. And ABAQUS 6.10 is used to model and analyze the same model as a three dimension with same condition of experiment. Based on the result of axial load-displacement graph of experiment and image of that included of crack length depended on the time, energy release rate will be calculated and then the model is analyzed with this fracture energy condition. As a result, it is shown that different force aspect according to the displacement value and there is not big deformation in aluminum foam while Double Cantilever Beam get the force due to aluminum foam has bigger density and modulus than adhesive. Also, the similar maximum value is calculated using finite element method of cohesive element comparing with experiment.

목차 (Table of Contents)

• Abstract
• 1. 서론
• 2. 실험 및 해석
• 3. 결과 및 고찰
• 4. 결론
• 참고문헌