Результаты (
английский) 2:
[копия]Скопировано!
1. The ability to recrystallize the metal at high temperature used in hot working. 2. Recrystallization - a growth of new, free from deformation of the grains. 3. During the heat treatment the metal may be subject to very large plastic strain ratio. 4. The cold treatment makes the metal harder and stronger, but some metals have a limit deformation. 5. Flat products can be made hot or cold. 6. The surface of the cold rolled sheet is smoother and stronger than he. 7. Cross-section of the extrusion die can be simple or complex. 8. Aluminium and copper alloys are the best for extrusion because of their plasticity when deformed. 9. Aluminum cans, tubes of toothpaste are examples of the use of extruding. 10. The wall thickness of aluminum can be determined clearance between punches and dies.
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