Research Article
Study on Breakdown Probability of Multimaterial Electrodes in EDM
Table 1
Electron work function of common metals [
16].
| Materials | Electron work function, (eV) |
| Copper | 5.24 | Brass | 3.34–5.24 | Zinc | 3.34 | Iron | 4.47 | Copper-tungsten alloy | 4.54–5.24 | Tungsten | 4.54 |
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