1. Z.W. Zhang, Blade Forging, Xi’an Jiao Tong University Press, Xi’an, 1987 (in Chinese).
2. D.N. Wang, The Theory of Metal Plastic Forming, Machinery Industry Press, Beijing, 1982 (in Chinese).
3. Comparison of flow patterns between plasticine and aluminium alloys in hot-precision forging;So;J. Mater. Process. Technol.,1997
4. The physical modeling of plastic working processing;Wanheim;Adv. Technol. Plasticity,1984