1. Lho, T. J. and Na, S. J., “Arc Efficiency and Kerf Width in Plasma Arc Cutting Process,” Journal of The Korean Welding & Joining Society, Vol. 5, No. 1, pp. 23–33, 1987.
2. Um, K. W. and Kim, D. J., “A Study on the plasma arc cutting phenomena of plate materials,” Journal of The Korean Welding & Joining Society, Vol. 9, No. 4, pp. 69–74, 1991.
3. Sohn, S. J. and Shin, J. G., “Simulation based design of an automated hull-piece manufacturing system,” Journal of the Society of Naval Architects of Korea, Vol. 36, No. 4, pp. 128–136, 1999.
4. Kim, I. C. and Kim, S. I., “A study on the cutting characteristics of ah36 steel plate under various cutting conditions,” Journal of The Korean Welding & Joining Society, Vol. 21, No. 2, pp. 3–8, 2003.
5. Kim, H. G., Shin, K. I., Park, J. H., Kim, S. C., and Kim, C. I., “Characteristics of plasma cut metal surfaces,” Journal of Industrial Science and Technology Institute, Vol. 14, No. 1, pp. 79–89, 2000.