Research Article
Study of Tool Wear and Overcut in EDM Process with Rotary Tool and Magnetic Field
Table 2
Main properties of copper electrode.
| | Properties | Description |
| | Specific gravity (g/cm3) | 8.94 | | Melting range (°C) | 1065–1083 | | Thermal conductivity (W/Mk) | 388 | | Specific heat (J/kg K) | 385 | | Thermal expansion coefficient (1/°C) | 16.7 × 10−6 | | Electrical resistivity (Ω cm) | 1.7 × 10−6 |
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