전자선 경화를 이용한 모자형 구조 탄소섬유강화복합재료의 제조
Fabrication of Hat-type Carbon Fiber-reinforced Plastic by Electron Beam Curing
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The difference in electron beam absorption occurred by the bending angle on carbon fiberreinforcedplastic (CFRP) composite was investigated via Monte Carlo simulation and experimentalmethod. The simulation results show that high bending angle results unevenly cured composite becausethe beam penetration depth is limited. The bending effects become weaker as the thickness of thecomposite is getting thinner. The bent material with 5 mm thickness shows ununiformed absorptionfrom 75° bending degree, which is comparable to the result with 10 mm thickness from 85°. For theexperimental validation, the hat-type composite was fabricated using prepreg consisted with carbonfiber and epoxy acrylate resin. The absorbed dose was measured along hat shape using B3 film andalanine pellet. 8 ply and 16 ply stack were prepared and cured. The experimental results also show thatthe absorbed does depend the position on the slope. The composite with thin thickness is more evenlycured compared than the thick one, as expected. The present study suggests that the proper adjustmentof the bending angle and the thickness is required for the electron beam irradiation on the complicatedlystructured composite.
Abstract
The difference in electron beam absorption occurred by the bending angle on carbon fiberreinforcedplastic (CFRP) composite was investigated via Monte Carlo simulation and experimentalmethod. The simulation results show that high bending angle results unevenly cured composite becausethe beam penetration depth is limited. The bending effects become weaker as the thickness of thecomposite is getting thinner. The bent material with 5 mm thickness shows ununiformed absorptionfrom 75° bending degree, which is comparable to the result with 10 mm thickness from 85°. For theexperimental validation, the hat-type composite was fabricated using prepreg consisted with carbonfiber and epoxy acrylate resin. The absorbed dose was measured along hat shape using B3 film andalanine pellet. 8 ply and 16 ply stack were prepared and cured. The experimental results also show thatthe absorbed does depend the position on the slope. The composite with thin thickness is more evenlycured compared than the thick one, as expected. The present study suggests that the proper adjustmentof the bending angle and the thickness is required for the electron beam irradiation on the complicatedlystructured composite.
참고문헌 (9)
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