Abstract
As useful composite reinforcements, chopped carbon fibers are usually manufactured by elastic support-based chopping technologies, such as radial chopping technology. In this paper, the fracture behavior of a polyacrylonitrile (PAN)- based carbon fiber tow being chopped on an elastic support was analyzed. The fracture behavior and failure mode of the chopped carbon fiber tow were tested and discussed. Due to that the failure mode of a carbon fiber being chopped on an elastic support is flexural fracture, some interesting properties are appeared in the chopping process of PAN-based CF tow, such as robustness of the blade edge radius and failure order of the tow.
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