1. Manufacturing of precision products by enclosed-die forging;Shinozaki;J. JSTP 33-382,1992
2. Research on application range of the precision cold die forging utilizing divided flow to thick products;Ohga,1993
3. Theoretical consideration of metal flow control in cold simultaneous forward/backward extrusion;Lin,1993
4. Measurement of flow stress by the ring compression test;Osakada;JSME Series C 55-516,1989
5. Analysis by finite element method 1;Osakada;J. JSTP 35-397,1994