HOLLOW BILLET PUNCH PIERCING PROCESS GEOMETRY PARAMETERS EXPERIMENTAL STUDY

V. P. Romanencko, D. V. Sizov, G. P. Illarionov
2012 Izvestiya Visshikh Uchebnykh Zavedenii Chernaya Metallurgiya = Izvestiya Ferrous Metallurgy  
doi:10.17073/0368-0797-2012-11-31-34 fatcat:bmhwjfmagbezhcjqafkzcp6tpi