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In this paper, a carbon fiber cathode, having robust, easily shaped, and epoxy-free properties, is constructed by squeeze casting technique that can overcome some disadvantages of conventional methods. Carbon fiber emitters on the cathode surface had a high distribution density, thus ensuring sufficient emission centers or emission uniformity. The fabricated cathode was tested in a diode powered by...
This paper investigated the behavior of carbon fibers subjected to a ∼20kA, ∼5μs high current pulse. It was found that the broken fibers and submicron particles were generated by electrical explosion process. After high current pulsed discharge, the fiber diameter increased significantly, from 5–7μm to ∼13μm. Also, the surface rupture of carbon fibers with valleys of hundreds of nanometers was observed...
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