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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- Korean Society for Precision Engineering Journal of the Korean Society for Precision Engineering 한국정밀공학회지 Vol.29 No.8
- 발행연도
- 2012.8
- 수록면
- 897 - 906 (10page)
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초록· 키워드
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Recently, the application of the plastic material to automotive components and structures has steadily increased to satisfy demands on the saving of overall weight and the improvement of energy efficiency. The objective of this paper is to investigate the development of a bumper backbeam using a thermoplastic olefin (TPO). The bumper back-beam was designed to be manufactured from the injection molding process. In order to obtain a proper design of the bumper back-beam, three-dimensional finite element analyses were performed for various design alternatives. Stress-strain curves for different strain rates were measured by high speed tensile tests of the TPO to consider strain rate effects in the FEA. The influence of the sectional shape and the rib formation on the contact force-intrusion curves, the deflection and the energy absorption rate of the bumper back-beam was examined. From the results of the examination, a proper design of the bumper back-beam was acquired. The bumper back-beam consisting of TPO was fabricated from the injection moulding process and the vibration welding. Pendulum crash tests were carried out using the fabricated bumper back-beam. The results of the tests showed that the designed bumper back-beam can satisfy requirements of the federal motor vehicle safety standard (FMVSS). Through the comparison of the previously designed bumper back-beam with the newly designed bumper back beam, it was noted that the weight of the designed bumper back-beam is lighter than that of the previously designed bumper back beam by nearly 16 %. In addition, it was considered that the newly designed bumper back beam can improve recycling of the bumper back-beam.
목차
1. 서론
2. 범퍼 후방 보 설계
3. 열가소성 폴리올레핀 재료의 특성 및 물성
4. 3차원 유한요소해석
5. 3차원 유한요소해석 결과 및 고찰
6. 시제품 제작 및 충돌 시험
7. 진자 충돌 시험 결과 고찰
8. 결론
참고문헌
참고문헌 (23)
참고문헌 신청
Hoel, M. / 1996 / Depletion of Fossil Fuels and the Impacts of Global Warming / Resource and Energy Economics 18(2):43~54
박철우 / 2009 / Energy Consumption Reduction Technology in Manufacturing – A Selective Review of Policies, Standards, and Research / International Journal of Precision Engineering and Manufacturing 10(5):151~173
Asnafi, N. / 2000 / A New Lightweight Metal-Composite-Metal Panel for Application in the Automotive and Other Industries / Thin-Walled Structures 36(4):289~310
박희상 / 2010 / 알루미늄 합금의 이종겹치기 마찰교반용접시 판재의 위치설계가 기계적 강도에 미치는 영향에 관한 연구 / 한국정밀공학회지 27(3):66~72
Friedrich, H. / 2001 / Research for a “New Age of Magnesium” in the Automotive Industry / Journal of Materials Processing Technology 117(3):276~281
박철우 / 2009 / Energy Consumption Reduction Technology in Manufacturing – A Selective Review of Policies, Standards, and Research / International Journal of Precision Engineering and Manufacturing 10(5):151~173
Asnafi, N. / 2000 / A New Lightweight Metal-Composite-Metal Panel for Application in the Automotive and Other Industries / Thin-Walled Structures 36(4):289~310
박희상 / 2010 / 알루미늄 합금의 이종겹치기 마찰교반용접시 판재의 위치설계가 기계적 강도에 미치는 영향에 관한 연구 / 한국정밀공학회지 27(3):66~72
Friedrich, H. / 2001 / Research for a “New Age of Magnesium” in the Automotive Industry / Journal of Materials Processing Technology 117(3):276~281
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