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|Title:||Simplified model for the influence of inclusion aspect ratio on the stiffness of aligned reinforced composites|
|Citation:||Lim, T.C. (2003). Simplified model for the influence of inclusion aspect ratio on the stiffness of aligned reinforced composites. Journal of Reinforced Plastics and Composites 22 (4) : 301-325. ScholarBank@NUS Repository.|
|Abstract:||A simplified model for the Young's Modulus of aligned composites possessing spheroidal inclusions, of any aspect ratio α, is developed herein based on a triply periodic array of parallelpiped inclusions. The Young's Modulus of continuous unidirectional fiber composites (α → ∞), particulate composites (α = 1) and periodically bilaminated composites (α = 0) are obtained as limiting cases based on the Parallel-Series and Series-Parallel schemes of analyses. A reinforcing parameter, R, of the inclusion is then identified from the limiting cases such that R ε [0, 11]. By curve-fitting for a relationship between the reinforcement parameter and the inclusion aspect ratio for α ε [0, ∞], the Young's Modulus for aligned short fiber composites (α > 1) and aligned flake composites (α lt; 1) are obtained. For verification, the present model at limiting cases (α = , 1, ∞) were reduced to other simple models and/or compared with experimental results. For non-limiting cases (α < 1, α > 1), comparison with other theoretical models show reasonable agreement.|
|Source Title:||Journal of Reinforced Plastics and Composites|
|Appears in Collections:||Staff Publications|
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