Table 2 Experimental considerations, materials, and average degradation rate of W, Ni0,8Cr0,2 and stainless steel.
From: Materials degradation in non-thermal plasma generators by corona discharge
Material | D (µm) | Number assays | \(\Delta \) V (kV) | Exposure time, tf (h) | Corona power reduction (%) | Final state | Final current, I (µA/cm) | Qf (C/cm) | ea (µg/C) |
|---|---|---|---|---|---|---|---|---|---|
Stainless steel 302 | 50 | 12 | 4.75 | 50 | 72.7 | Rupture | 15 | 4 | 29 |
Ni0.8Cr0.2 | 50 | 8 | 4.75 | 95 | 48 | Rupture | 32.5 | 11.1 | 7.6 |
Tungsten | 50 | 18 | 4.5–4.75 | 1630 | 56.5 | Stopped | 50 | 300.42 | 0.92 |
25 | 8 | 4–4.3 | 450 | 40.3 | Stopped | 27.5 | 44.5 | 3.7 | |
100 | 10 | 4.9–5.2 | 600 | 65.2 | Stopped | 40 | 86.4 | 5.3 |
