A billet that is 75 mm long with diameter 35 mm is direct extruded to a diameter of 20 mm. The extrusion die has a die angle =75. For the work metal, K = 600 MPa %3D and n = 0.25. In the Johnson extrusion strain equation, a = 0.8 and b = 1.4. Determine (a) extrusion ratio, (b) true strain (homogeneous deformation), (c) extrusion strain, and (d) ram pressure and force at L = 70, 60, 30, and 10 mm. %3D %3D %3D %3D

A billet that is 75 mm long with diameter 35 mm is direct extruded to a diameter of 20 mm. The extrusion die has a die angle =75. For the work metal, K = 600 MPa %3D and n = 0.25. In the Johnson extrusion strain equation, a = 0.8 and b = 1.4. Determine (a) extrusion ratio, (b) true strain (homogeneous deformation), (c) extrusion strain, and (d) ram pressure and force at L = 70, 60, 30, and 10 mm. %3D %3D %3D %3D

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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