期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 37, 期 12, 页码 2236-2240出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2006.02.015
关键词
discontinuous reinforcement; polymer-matrix composites (PMCs); physical properties; micro-mechanics
Helium gas permeability of silicate clay (montmorillonite) particles/epoxy nanocomposites was examined. The incorporation of increasing amounts of montmorillonite particles reduced the helium gas permeability. Based on Fick's law, gas permeation behavior of the nanocomposite was evaluated. With the increase of montmorillonite loading, gas diffusivity decreased, while gas solubility increased. Helium diffusion behavior is in agreement to the numerical results based on the Hatta-Taya-Eshelby theory. It has been revealed that dispersion of nanoscale platelets in polymer is effective in improving gas barrier property. (c) 2006 Elsevier Ltd. All rights reserved.
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