Abstract
Fiber metal laminates (FMLs) are a type of hybrid materials interlacing composites and metals. In the present work, FMLs with aluminum alloy 6061 as the skin and E-glass fiber-reinforced polypropylene (PP) as the core material are fabricated and formed by the creep age forming (CAF) process. The effects of time and temperature as the process parameters and thickness and stacking sequences of composites layers as the FML parameters are evaluated on the springback of glass-reinforced aluminum laminates (GLARE) FMLs. After the CAF process, the springback of creep age-formed FMLs is calculated. The results show that the FMLs can be successfully formed with the CAF process by considering appropriate time and temperature. In addition, the stacking sequence of composite layers can affect the springback behavior of FMLs significantly.
Highlights
Fiber metal laminates (FMLs) are hybrid materials interlacing composites and metals
Safari et al [27] studied the statistical modeling, sensi tivity analysis and multi-objective optimization of creep age forming (CAF) of aluminum AA7037o5f 1t2ailor-ma chined blanks (TMB). They investigated the effects of time and temperature on springbac of TMBs after the CAF process
After the CAF, the springback of the formed FMLs was measured by an Easson ENC565 coordinate measuring machine (CMM)
Summary
Fiber metal laminates (FMLs) are hybrid materials interlacing composites and metals. The high strength to weight ratio of FMLs makes these composites desirable for use as an ideal lightweight structural material. Shahverdi and Alipour Mogadam [26] studied the effects of time and temperature on springback of CAFed aluminum alloy 7075 They showed that the springback of AA7075 decreases by increasing. Safari et al [27] studied the statistical modeling, sensi tivity analysis and multi-objective optimization of CAF of aluminum AA7037o5f 1t2ailor-ma chined blanks (TMB) They investigated the effects of time and temperature on springbac of TMBs after the CAF process. In this paper, the CAF of FMLs is experimentally studied, and for this purpose, the effect of stacking sequences of composites layer in core m2.atMeraiatlearniadlsthaicnkdneMsseotfhtohdescore material, as well as process temperature and time on the s2p.r1i.nFgMbaLckPorfepthaerastaimonples were investigated.
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