1. K. Asl, A Tari, et al. Material Science and Engineering, A, Vol 523(2009), p, 1-6.
2. B. L Mordike, T Ebert. Materials Science and Engineering, A, Vol 302(2001), p, 47-52.
3. M. B Yang, F. S Pan, J Zhang. Foundry Tech., Vol 26(2005), p, 331-335(in Chinese).
4. Z. L Liu, et al. Materials for Mechanical Engineering, Vol 25 (2001), pp.1-4(in Chinese).
5. H. F Liu, J Hou, Y. H Liu, et al. Foundry, Vol 51(2002), p, 330-335 (in Chinese).