1. I. Nobuyuki, E. Shigeru and K. Joe: JFE Techn. Rep., 2006, vol. 1, pp. 20–26.
2. N.J. Grant: J. Met., 1983, vol. 35, pp. 20–27.
3. L.P. Zhang, C.L. Davis, and M. Strangwood: Metall. Mater. Trans. A, 1999, vol. 30A, pp. 2089–96.
4. F. Hamad, L. Collins, and R. Volkers: Proc. 7th Int. Pipeline Conf. (IPC2008), ASME, Calgary, 2008, IPC2008-64097.
5. J. Gao, R.G. Thompson, and B.R. Patterson: Acta Mater., 1997, vol. 45, pp. 3653–58.