A self-heated hollow cathode made of compacted TiN powder: the preparation method and test results

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作者：
N. V. Gavrilov
A. S. Kamenetskikh
S. N. Paranin
A. V. Spirin
A. V. Chukin
机构：
[1] Russia Academy of Sciences,Institute of Electrophysics, Ural Branch
[2] Ural Federal University,undefined
来源：
Instruments and Experimental Techniques | 2017年 / 60卷
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摘要：
A method for the formation of a tubular hollow self-heated cathode using magnetic-pulse pressing of a mixture of TiN (90%) and Ti (10%) powders with subsequent annealing and sintering during operation of the compact as a cathode in a high-current (5–45 А) discharge at temperatures of 2000–2200°C is described. Massive tubular cathodes with a 2.5-mm-thick wall and a large (up to 12 mm) inner diameter were manufactured. The erosion rate of a TiN cathode was 2.3 × 10–7 g/C for the operation in an Ar/N2 mixture and increased by a factor of 1.6 in the oxygen–argon plasma generation mode with separate feeding of gases.
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页码：742 / 747
页数：5
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