A round billet made of brass is to be extruded (extrusion

Home » Materials Science and Manufacturing Engineering » Materials Science and Manufacturing Engineering Miscellaneous » Question

A round billet made of brass is to be extruded (extrusion constant = 250 MPa) at 700°C. The billet diameter is 100 mm and the diameter of the extrusion is 50 mm. The extrusion force required (in MN) is

1. 1.932
2. 2.722
3. 3.423
4. 4.650

Correct Option: B

F = K ln (R) A_i.

F = 2.722 MN