TITLE:
Finite Element Modeling of Stamp Forming Process on Thermoplastic-Based Fiber Metal Laminates at Elevated Temperatures
AUTHORS:
Xiaocen Dou, Sivakumar Dhar Malingam, Jae Nam, Shankar Kalyanasundaram
KEYWORDS:
Fiber Metal Laminates, Stamp Forming, Finite Element Modeling
JOURNAL NAME:
World Journal of Engineering and Technology,
Vol.3 No.3C,
October
23,
2015
ABSTRACT: This paper investigated stamp forming
performance of two aluminum-based Fiber-metal laminates (FMLs) with different
fiber-reinforced composites using finite element analysis. Given the inherent thermal-dependent
properties of fiber-reinforced polypropylene, the effect of elevated
temperature on its forming behavior is worthy of concern. Furthermore, the
elevation in temperature also influences the bonding within the constituent
lamina. Both factors were integrated in the modelling. By investigating the through-thickness
strain evolution throughout the stamping process, the forming mode of each
layer, as well as their interactions, were better understood. Results suggested
that the flow of matrix and the rotation at the intersections of fiber strands
can be promoted at elevated temperature, which transforms the forming
performance of FMLs close to that of monolithic aluminum. These results propose
means to improve the forming performance of FMLs.