High Power Laser and Particle Beams, Volume. 36, Issue 5, 055017(2024)
Two-stage microstructure on surface of vacuum polymer insulators
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Fig. 1. Schematic of the improvement, separation of the two-stage microstructure and the preparation process of the three microstructures
Fig. 4. Results of the flashover voltage test of the three kinds of microstructures
Fig. 5. Secondary electron emission yield of the three kinds of microstructures
Fig. 6. Surface flashover suppression mechanism of different microstructures
Table 1. List of the parameters of the three kinds of microstructures
View tableView in ArticleTable 1. List of the parameters of the three kinds of microstructures
two-stage microstructure surface micro groove surface micro hole group 1 depth 200 μm, 12 lines/5 mm, 5.5 μm 4% depth 200 μm, 12 lines/5 mm 5.5 μm 4% group 2 depth 200 μm, 12 lines/5 mm, 2.5 μm 6% depth 200 μm, 12 lines/5 mm 2.5 μm 6% group 3 depth 200 μm, 15 lines/5 mm, 5.5 μm 4% depth 200 μm, 15 lines/5 mm 5.5 μm 4% group 4 depth 200 μm, 15 lines/5 mm, 2.5 μm 6% depth 200 μm, 15 lines/5 mm 2.5 μm 6%
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Yankun Huo, Wenyuan Liu, Yajiao He, Changfeng Ke, Libing Cai, Xianchen Bai, Jun Cheng. Two-stage microstructure on surface of vacuum polymer insulators[J]. High Power Laser and Particle Beams, 2024, 36(5): 055017
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Received: Nov. 3, 2023
Accepted: Apr. 5, 2024
Published Online: May. 16, 2024
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