In this article the results of theoretical investigation of fibers impregnation in manufacturing high filled composite by pultrusion are represented. A criterion is maximum intention of technological process. An analytical investigation of intention depending on main physical factors is proposed.

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The paper describes a theoretical study of the border polymerization line for rods of circular cross-section during the pultrusion process. The influence of the pull speed, the type of filler and fiber volume fraction on the position of the border polymerization line is investigated. It is shown that pre-heating of the fiber/resin system helps to speed up the polymerization process.

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