Abstract
AbstractThe influence of long stainless‐steel fibers (LSSF) on electrical, rheological, and calorimetric properties of conductive composites with poly(propylene) matrix was investigated as a function of filler content from ϕ = 0.15 to 3.6% v/v (1.3 to 23.5% w/w). The results show interesting features of the crystallization process: fibers act as nucleating agents and generate transcrystalline phases in quiescent conditions. LSSF also influences the flow properties and the dynamic rheological behavior, which is evidenced by evolution of G′ and G″ curves with filler content. Finally, SEM pictures of injected samples were used to determine the distribution and orientation of the fibers in the part thickness at different distances from the injection point. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 100: 3280–3287, 2006
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