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논문 기본 정보

자료유형
학술대회자료
저자정보
최수영 (ANH Structure) 홍승철 (ANH Structure) 김진성 (ANH Structure) 김주식 (ANH Structure)
저널정보
한국자동차공학회 한국자동차공학회 춘계학술대회 2018 한국자동차공학회 춘계학술대회
발행연도
2018.6
수록면
1,022 - 1,031 (10page)

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초록· 키워드

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Modern cars protect drivers and passengers in frontal, rear and offset crashes by using crumple zones to absorb crash energy. This means that the car absorbs the impact of the crash, not the driver or passengers. Crumple zones allow the front of the vehicle to crush like an accordion, absorbing some of the impact of the collision and giving some off in the form of heat and sound. The front of the vehicle effectively acts as a cushion that slows the time it takes for the vehicle to come to a complete stop, applying less force on passengers, which could help save their lives. For vehicle frontal collision protection, it is then very common to see cars equipped with an energy absorbing crash box, which is attached on Front Side Member (FSM), and the use of advanced polymer composite materials in the crash box has been actively considered in recent years. In this paper, the crashworthiness of a conventional metallic crash box has been assessed through drop tests and CAE simulation, and expected advantages when CFRP composite material is applied to the crash box has been also analyzed. As a result of the study, the cylindrical shape showed the best crashworthiness in the case of composite crash box, and as the wall thickness increased, SEA(Specific Energy Absorption) tended to increase, but it was found to converge above a certain level.

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Abstract
1. 서론
2. 복합소재 Crash Box의 개념 설계
3. 복합소재 Crash Box의 충돌 성능 평가
4. 결론
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