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A direct extrusion operation the cross section shown in Figure is produced froma copper billet whose diameter 225mm and length = 500 mm. In the flow curve for copper, the strength coefficient = 400 MPa and strain hardening exponent = 0.30. In the Johnson strain equation, a = 0.8 and b 1.5. Determine: 1. The extrusion ratio, 2. The shape factor, 3. The force required to drive the ram forward during extrusion at the point in the process when the billet length remaining in the container = 325 mm , 4.The length of the extruded section at the end of the operation if the volume of the butt left in the container is 225,000 mm3. * 100

A direct extrusion operation the cross section shown in Figure is produced froma copper billet whose diameter 225mm and length = 500 mm. In the flow curve for copper, the strength coefficient = 400 MPa and strain hardening exponent = 0.30. In the Johnson strain equation, a = 0.8 and b 1.5. Determine: 1. The extrusion ratio, 2. The shape factor, 3. The force required to drive the ram forward during extrusion at the point in the process when the billet length remaining in the container = 325 mm , 4.The length of the extruded section at the end of the operation if the volume of the butt left in the container is 225,000 mm3. * 100

Elements Of Electromagnetics
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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A direct extrusion operation the cross section shown in Figure is produced from a copper billet whose diameter 225mm and length = 500 mm. In the flow curve for copper, the strength coefficient = 400 MPa and strain hardening exponent = 0.30. In the Johnson strain equation, a = 0.8 and b = 1.5. Determine: 1. The extrusion ratio, 2. The shape factor, 3. The force required to drive the ram forward during extrusion at the point in the process when the billet length remaining in the container = 325 mm ,4.The length of the extruded section at the end of the operation if the volume of the butt left in the container is 225,000 mm3. * 100
Transcribed Image Text:A direct extrusion operation the cross section shown in Figure is produced from a copper billet whose diameter 225mm and length = 500 mm. In the flow curve for copper, the strength coefficient = 400 MPa and strain hardening exponent = 0.30. In the Johnson strain equation, a = 0.8 and b = 1.5. Determine: 1. The extrusion ratio, 2. The shape factor, 3. The force required to drive the ram forward during extrusion at the point in the process when the billet length remaining in the container = 325 mm ,4.The length of the extruded section at the end of the operation if the volume of the butt left in the container is 225,000 mm3. * 100
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