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폴리프로필렌과 알루미늄 적층판의 성형성에 관한 수치해석적 연구
이병언(B. E. Lee),김정(J. Kim),강범수(B. S. Kang),송우진(W. J. Song) 한국소성가공학회 2013 한국소성가공학회 학술대회 논문집 Vol.2013 No.5
Fiber metal laminates (FMLs) are the layered materials comprised of thin metal sheets and fiber reinforced plastic (FRP). This paper presents the numerical study on the formability enhancement of FMLs combined aluminum alloy and self-reinforced polypropylene (SRPP) composite. In this study, a numerical simulation procedures based on finite element (FE) modeling are proposed to evaluate the formability of FMLs using ABAQUS/Explicit. In the FE model, including a single layer of solid and shell element to model the blank, discrete layers of the solid element with a contact model and shell element with a friction based model for the aluminum alloy-composite interface conditions were used to describe each layer of FMLs to express the interaction between the layers. It is noted through this research that the proposed numerical simulation procedures were characterized to describe properly the formability enhancement of the FMLs and the simulation results showed a good agreement with the experimental results.