Hybrid Sheets with different Materials in the Middle
نویسندگان
چکیده
Fiber-metal laminates (FMLs) such as Kevlar reinforced aluminum laminate (ARALL), 18 Carbon reinforced aluminum laminate (CARALL), and Glass reinforced aluminum laminate 19 (GLARE) offer great potential for weight reduction applications in automobile and aerospace 20 construction. In order to investigate the feasibility for utilizing such materials in the form of 21 laminates, sheet hydro-bulging tests are studied under the condition of uniform blank holder force 22 for three-layered aluminum and aluminum-composite laminates using orthogonal carbon and 23 Kevlar as well as glass fiber in the middle. The experimental results validate the finite element 24 results and they exhibited that the forming limit of glass fiber in the middle is the highest among the 25 studied materials, while carbon fiber material performs the worst. Furthermore, the crack modes are 26 different for the three kinds of fiber materials investigated in the research. This study provides 27 fundamental guidance for the selection of multi-layer sheet materials in the future manufacturing 28 field. 29
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