i) A direct extrusion operation produces the cross section shown in Figure 1 (all dimensions in mm) from an aluminium billet whose diameter = 150 mm and length = 500 mm. The flow curve parameters for the aluminium are K= 240 MPa and n= 0.15. In the Johnson strain equation, a = 0.8 and b = 1.2. The butt remaining in the chamber at the end of the process has a length of 40 mm. Determine the ram force when the length remaining is 40 mm 70 의 20 50 15

i) A direct extrusion operation produces the cross section shown in Figure 1 (all dimensions in mm) from an aluminium billet whose diameter = 150 mm and length = 500 mm. The flow curve parameters for the aluminium are K= 240 MPa and n= 0.15. In the Johnson strain equation, a = 0.8 and b = 1.2. The butt remaining in the chamber at the end of the process has a length of 40 mm. Determine the ram force when the length remaining is 40 mm 70 의 20 50 15

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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