Fatigue Strength of Polypropylene Composite Materials

概要

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Fatigue strengths of polypropylene composite materials reinforced by 20wt% talc and 20wt% glass fiber were not improved for plate specimens made from manufactured pallets by using newly developed waste plastics recycling apparatus. On the contrary fatigue strengths of polypropylene composite materials reinforced by 25wt% Talc and 20wt% GF were improved for plate specimens made from injection molding machine. It can be concluded from fracture surface observations that fatigue strength of polypropylene composite materials reinforced by filler materials such as talc and glass fiber can be improved by controlling the manufacturing process to obtain the tight interface between polypropylene and reinforced materials such as talc and glass fiber.