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Autor:
Dariusz Leśniak, Józef Zasadziński, Wojciech Libura, Krzysztof Żaba, Sandra Puchlerska, Jacek Madura, Maciej Balcerzak, Bartłomiej Płonka, Henryk Jurczak
Publikováno v:
Materials; Volume 16; Issue 2; Pages: 556
The extrusion of hollow profiles from hard-deformable AlZnMg alloys by using porthole dies encounters great technological difficulties in practice. High extrusion force accompanies the technological process, which is caused by high deformation resist