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RISS 인기검색어
- 검색키워드
- 저자 : Mohsen Mirzaee Sisan (검색결과 1 건)
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An Experimental Study on Impact Resistance of Different Layup Configuration of Fiber Metal Laminates
Mohsen Mirzaee Sisan,Reza Eslami-Farsani 한국섬유공학회 2019 Fibers and polymers Vol.20 No.10
Fiber metal laminates (FMLs) are composed of thin metal sheets and fiber-reinforced composite layers. Comparedto monolithic aluminum alloys, FMLs combine lower density, higher fatigue resistance, and improved damage tolerance. Thepresent study aimed to investigate the low-velocity impact induced by drop-weight instrument and the tensile strength onvarious lay-up configurations of FMLs fabricated. FML samples were composed of two layers of aluminum 2024-T3 and twolayers of epoxy resin, which were reinforced with carbon fabric, glass fabric, and Kevlar fabric made in pairs. In addition,another type of FMLs was developed with carbon/Kevlar fabric under the same circumstances. Force-time histories of impactforces were recorded, and the damaged specimens were inspected using optical microscopy in terms of the impact side, nonimpactside, and cross-sectional side. Experimental results indicated that the maximum impact force corresponded to theFMLs that were composed of Kevlar fabric on the impact side and glass fabric on the non-impact side. In addition, thehighest tensile strength and Young's modulus among FMLs belonged to FML with Kevlar fabric and glass fabric.
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