Research Article
An Electro Breakdown Damage Model for Granite and Simulation of Deep Drilling by High-Voltage Electropulse Boring
Figure 7
Relationships between electro-breakdown field strength and (a) relative dielectric constant, (b) elastic modulus, (c) plasma channel radius, and (d) surface free energy per unit surface area.
(a) |
(b) |
(c) |
(d) |