- Article
FEM Numerical and Experimental Study on Dimensional Accuracy of Tubes Extruded from 6082 and 7021 Aluminium Alloys
- Dariusz Leśniak,
- Józef Zasadziński,
- Wojciech Libura,
- Krzysztof Żaba,
- Sandra Puchlerska,
- Jacek Madura,
- Maciej Balcerzak,
- Bartłomiej Płonka and
- Henryk Jurczak
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...