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This research focuses on the effects of laser annealing on DC surface flashover characteristics of Polymethyl Methacrylate (PMMA) and Polystyrene (PS) dielectric samples. While many factors can contribute to flashover performance of a dielectric, such as insulator parameters, insulator operating environment and the interface between electrode and dielectric, micro scale structures on the surface of...
Metallized polypropylene films (MPPF) can serve as an alternate for exploding wires in many applications. Compared to wires, MPPF is more structurally robust and can be shaped more easily for specific applications. If long films are desired, the film can be shaped to fit a variety of geometries. In our experiments, MPPF as along as 13″ have exhibited plasma formation. Experiments were performed to...
One of the factors that contributes to surface flashover on dielectrics is the existence of defects on the surface of the material. For our studies, excimer laser processing was utilized on alumina dielectrics in an attempt to substantially increase the threshold voltages for flashover. Through excimer laser processing, the surface material melts and re-crystallizes to form a uniform surface structure...
The exploding wire phenomenon is well researched due to its vast and practical applications which include, but are not limited to, shock wave generation, pulsed power, Z pinch physics, plasma ignition, fuses, and fusing applications. However, the focus of this research is on a surrogate for exploding wires. In this research, metallized capacitor grade-polypropylene film was used as an alternative...
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