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논문 기본 정보

자료유형
학술대회자료
저자정보
김성호 (현대모비스과) 김억 (현대모비스과) 전용 (현대모비스과) 이우일 (서울대학교)
저널정보
한국자동차공학회 한국자동차공학회 추계학술대회 및 전시회 2012년 한국자동차공학회 학술대회 및 전시회
발행연도
2012.11
수록면
2,016 - 2,022 (7page)

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초록· 키워드

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Since the environmental problems and new stricter regulations are forcing the industries to introduce more ecological materials for their products, biodegradable materials have attracted increasing attention. Among these materials, Polylactic acid(PLA) is remarkable for its modulus, strength, chemical resistance. However, PLA could not be used for automobile industries for its low heat resistance and impact strength. Therefore, in this study natural fibers were (jute fiber was) introduced as reinforcements in order to improve the properties of PLA. And for various experiments, Polypropylene(PP) was used as matrix resin instead of PLA. Especially for improving the properties of PLA composites, surface treatments, annealing, and adding rubber elements were performed. With surface treatments, we found that the mechanical properties of composite was improved. And with annealing treatment, we found the remarkable increase of heat resistance of PLA composite. For impact property we added reactive acrylic rubber, and we increased the impact strength by a large margin. In making test of automotive real product, we tried 3 times and acquired the well molded product as acceptable level. But in the reliability test of the product we found that PLA composite has some weak points. In the future, we will develop the long-term reliability of PLA composites and apply to the mass production of automotive interior parts.

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Abstract
1. 서론
2. 재료의 개발 및 실험
3. 실험결과 및 고찰
4. 결론
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UCI(KEPA) : I410-ECN-0101-2014-556-000411056