Effect of working gas on the electron-beam heating of a ceramic target in the fore-vacuum pressure range

Статья в журнале

We present experimental results and numerical calculations of electron-beam heating of a solid-state dielectric (aluminum oxide ceramics) in helium, argon, and nitrogen, in the fore-vacuum pressure range 5–20 Pa. We show that both the heating rate of the ceramic target and the maximum temperature to which it can be heated by a constant power electron beam decrease with increasing gas pressure. Helium has the strongest effect on the heating process (resulting in minimal temperatures and heating rates), while the influence of argon is the least. The results show the effects of the type of gas and the gas pressure (in the fore-vacuum range) on the electron-beam heating of a dielectric target.

Журнал:

• Vacuum
• Elsevier Ltd (Amsterdam)

Библиографическая запись: Effect of working gas on the electron-beam heating of a ceramic target in the fore-vacuum pressure range / D. B. Zolotukhin [et al.] // Vacuum. – 2020. – Vol. 173. – P. 109500. – DOI: 10.1016/j.vacuum.2020.109500

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