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리브를 가진 장섬유 복합재료 커버 플레이트의 최적설계

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dc.contributor.author한민구-
dc.contributor.author배지훈-
dc.contributor.author이성우-
dc.contributor.author장승환-
dc.date.available2019-03-08T09:38:16Z-
dc.date.issued2017-02-
dc.identifier.issn2288-2103-
dc.identifier.issn2288-2111-
dc.identifier.urihttps://scholarworks.bwise.kr/cau/handle/2019.sw.cau/4894-
dc.description.abstract일방향 탄소섬유 복합재료는 복잡한 성형 공정과 낮은 드레이핑능을 보여 비교적 단순한 형태의 구조물 제작에 제한적으로 사용되어 왔으나, 최근 이를 해결하고자 성형성과 생산효율이 우수한 장섬유 복합재료(Long Fiber Prepreg Sheet; LFPS)가 제안되었다. 본 연구에서는 단순한 성형 공정과 높은 성형 정밀도를 갖는 LFPS를 활용하여 전자 기기용 커버 플레이트 설계를 수행하였다. 설계에 앞서 리브 구조가 적용되는 대상 구조물을 8-inch 태블릿 PC 제품의 뒷 커버로 선정하였다. 해당 구조물에 평판에 적용되는 대표적인 하중 조건을 선정하여 유한 요소해석에 적용하였고, 이를 활용하여 리브 구조물의 패턴과 리브 형상 변화에 따른 구조물의 구조 강성을 확인하였다. 해석 결과 제한된 부피 내에서 최적의 리브 패턴과 형상을 확보하였으며, 리브 폭이 균일하지 않은 경우가 균일한 경우에 비해 6~10% 처짐량이 감소함을 확인하였다.-
dc.description.abstractCarbon fiber reinforced composites have light weight and high mechanical properties. These materials are only applicable in limited shape structure cause by complex curing process and low drapability. To solve this problem, Long Fiber Prepreg Sheet (LFPS) has been proposed. In this research, electric device cover plate was selected and designed by using LFPS. Before the design process, we analyzed the target structure to which the rib structures were applied. And 8-inch tablet PC product was selected. For FE analysis, simple loading and boundary conditions were applied. Stiffness of rib structure was investigated according to the rib pattern and shape changes. Rib pattern and shape were selected based on fixed volume condition analysis results. And uneven rib width model was selected for the best case whose deflection was reduced 6 similar to 10% than uniform rib model.-
dc.format.extent6-
dc.language한국어-
dc.language.isoKOR-
dc.publisher한국복합재료학회-
dc.title리브를 가진 장섬유 복합재료 커버 플레이트의 최적설계-
dc.title.alternativeOptimal Design of Long-fiber Composite Cover Plate with Ribs-
dc.typeArticle-
dc.identifier.doi10.7234/composres.2017.30.1.065-
dc.identifier.bibliographicCitationComposites Research, v.30, no.1, pp 65 - 70-
dc.identifier.kciidART002204599-
dc.description.isOpenAccessY-
dc.citation.endPage70-
dc.citation.number1-
dc.citation.startPage65-
dc.citation.titleComposites Research-
dc.citation.volume30-
dc.type.docTypeArticle-
dc.publisher.location대한민국-
dc.subject.keywordAuthorLong Fiber Prepreg Sheet(LFPS)-
dc.subject.keywordAuthorRib Structure-
dc.subject.keywordAuthorClustering-
dc.subject.keywordAuthorFEA-
dc.subject.keywordAuthor리브 구조체-
dc.subject.keywordAuthor군집화-
dc.subject.keywordAuthor유한요소해석-
dc.subject.keywordPlusOPTIMIZATION-
dc.description.journalRegisteredClassesci-
dc.description.journalRegisteredClasskci-
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