REFERENCES
- B. AVITZER: ‘Metal forming processes and analysis’, 77; 1968, New York, McGraw-Hill.
- C. H. LEE and T. ALTAN: Trans. ASME, 1972, B94, 775.
- J. Y. LIU: Trans. ASME, 1972, B94, 1149.
- G. D. LAHOTI and S. KOBAYASHI: Int. J. Mech. Sci. , 1974, 16, 521.
- T. TABATA and S. MASAKI Int. .I. Mech. Sci. , 1978, 20, 505.
- M. OYANE and T. TABATA: J. Jpn Soc. Technol. Plast. , 1974, 15, 43.
- T. TABATA, S. MASAKI, and Y. ABE: J. Jpn Soc. Technol. Plast. , 1977, 18, 373.
- H. K. OH and J. H. MUN: J. Mech. Work. Technol. , 1984, 9, 279.
- M. OYANE, S. SHIMA, and Y. KONO: Bull. Jpn Soc. Mech. Eng. , 1973, 16, 1254.
- D. N. LEE and H. S. KIM: Powder Metall. , 1992, 35, 275.
- S. M. DORAIVELU, H. L. GEGEL, J. S. GUNASEKERA, J. C. MALAS, J. T. MORGAN, and J. F. THOMAS: Int. J. Mech. Sc!. , 1984, 26, 527.
- A. L. GURSON: J. Eng. Mater. Technol. (Trans. ASME), 1977, 99, 2.
- V. TVERGAARD: Int. J. Fract. , 1982, 18, 237.
- S. SHIMA and M. OYANE: Int. J. Mech. Sci. , 1976, 18, 285.
- S. B. BINER and W. A. SPITZIG: Acta Metall. Mater. , 1990, 38, 603.
- H. N. HAN, H. S. KIM, and D. N. LEE: Scr. Metall. , 1993, 29, 1211.
- H. N. HAN, H. S. KIM, K. H. OH, and D. N. LEE: Powder Metall. , 1994, (2), 140.
- K.-J. BATHE: ‘Finite element procedures in engineering analysis’, 388; 1982, Englewood Cliffs, NJ, Prentice-Hall.
- H. A. KUHN: in ‘Powder metallurgy processing’, (ed. H. A. Kuhn and A. Lawley), 118; 1978, New York, Academic Press.