Aligned discontinuous carbon fiber composites were fabricated from aligned discontinuous carbon fiber prepreg, which was prepared from continuous carbon fiber prepreg via mechanical high-frequency cutting. The internal quality and mechanical properties were characterized and compared with continuous carbon fiber composites. The results show that the internal quality of the aligned discontinuous carbon fiber composites is fine and the mechanical properties have high retention rate after the fibers were cut compared with continuous carbon fiber composites. The minimum retention rate of 0° tension strength is 63%, and the modulus is basically without chang. The minimum retention rates of 0° flexural strength and modulus are 85% and 78% respectively. The mechanical properties of aligned discontinuous carbon fiber composites are much better than that of the random oriented carbon fiber composites.
Preparation and Mechanical Properties of Aligned Discontinuous Carbon Fiber Composites
2018
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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