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응력 분석을 통한 다양한 적층각도를 가진 복합재료 Type-II 소형 압력용기의 설계 및 해석
조현준(Hyeon-jun Cho),권병오(Byung-Oh Kwon),정혜진(Hye Jin Jung) 대한기계학회 2020 대한기계학회 춘추학술대회 Vol.2020 No.12
Filament winding is that one of the composite materials manufacturing process makes easily shape of cylinder product. For this advantage, nowadays various types of composite pressure vessel are applied to using this process. Composite material pressure vessel has Type-I~IV different shape. Especially, Type-II shape has been made over-wrapped composite to only cylinder Liner part of pressure vessel in hoop direction. However, because of material property difference Liner with composite material occur axial and radial stress difference at boundary plane which they attached. That would be affect to durability and performance. In this study, we suggest some cases that minimize to axial and radial stress at boundary plane using various ply-angle applied to Type-II Pressure Vessel.