필라멘트 와인딩 공법으로 제작한 탄소섬유/에폭시 복합소재 평판의 저속낙하 충격시험 시뮬레이션에 관한 연구Stundy on Simulation Characteristics of Low Velocity Impact Test of Carbon/Epoxy Composite Plates Manufactured by Filament Winding Method
- Other Titles
- Stundy on Simulation Characteristics of Low Velocity Impact Test of Carbon/Epoxy Composite Plates Manufactured by Filament Winding Method
- Authors
- 변종익; 김종열; 허석봉; 김한상
- Issue Date
- Apr-2018
- Publisher
- 한국수소및신에너지학회
- Keywords
- Low velocity impact; Carbon fiber/epoxy composites; Filament winding; Impact behavior; Delamination; Low velocity impact(저속 충격); Carbon fiber/epoxy composites(탄소섬유/에폭시 복합재료); Filament winding(필라멘트 와인딩); Impact behavior (충격 거동); Delamination(층간 박리)
- Citation
- 한국수소및신에너지학회논문집, v.29, no.2, pp.190 - 196
- Journal Title
- 한국수소및신에너지학회논문집
- Volume
- 29
- Number
- 2
- Start Page
- 190
- End Page
- 196
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/5042
- DOI
- 10.7316/KHNES.2018.29.2.190
- ISSN
- 1738-7264
- Abstract
- Carbon fiber/epoxy composites are typical brittle materials and have low impact properties. Recently, it is important to investigate impact characteristics of carbon fiber composites because of increasing use as automobile parts and high pressure hydrogen vessels of fuel cell electric vehicles for light weight.
In this study, the low velocity impact properties of carbon fiber/epoxy composites fabricated by a filament winding method are studied. The low velocity impact properties were measured by performing tests according to ASTM D7136. The low velocity impact simulations were carried out using commercial structural analysis software, Abaqus. The absorbed energy and the delamination shapes were compared between the experimental and simulation results. The numerical analysis method showed that the absorbed energy decreased with the reduced number of cohesive elements in the composite models.
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