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초저상 버스 차체용 Hybrid 복합재 접합체결부의 정적 및 피로특성평가Static and Fatigue Fracture Assessment of Hybrid Composite Joint Part for the Low Floor Bus Body
- Other Titles
- Static and Fatigue Fracture Assessment of Hybrid Composite Joint Part for the Low Floor Bus Body
- Issue Date
- Nov-2009
- Publisher
- 대한기계학회
- Keywords
- Fatigue Bending Test(피로굽힘시험); Hybrid Composite Joint(하이브리드 복합재 체결부); Fracture Behaviour(파괴거동); 초저상 버스(Low Floor Bus)
- Citation
- 2009년도 추계학술대회 강연 및 논문 초록집, v.2009, no.11, pp.97 - 102
- Indexed
- OTHER
- Journal Title
- 2009년도 추계학술대회 강연 및 논문 초록집
- Volume
- 2009
- Number
- 11
- Start Page
- 97
- End Page
- 102
- Abstract
- The hybrid composite joint structures for the low floor bus are subjected to bending loads. The hybrid composite joint specimen sectioned in the real low floor bus body was fabricated for the static and cyclic bending test. Static bending load caused large deformation of stiffened plate and rivet-joint fracture between underframe and composite skin, while cyclic bending load brought about the fracture of the welded joint. Delamination along the interface between composite skin and honeycomb core layers occurred for both the static and cyclic bending cases. Fracture characteristics obtained by the bending fatigue tests were reflected for improving the hybrid joint structure in the real low floor bus body.
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