Example 10.3 A cylindrical billet of 40 mm diameter and 100 mm length is reduced by...
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Example 10.3 A cylindrical billet of 40 mm diameter and 100 mm length is reduced by indirect (backward) extrusion to a 15 mm diameter using Flat dies. If the Johnson equation has a = 0.8 and b = 1.5 and the flow curve for the work metal has K= 750 MPa and n = 0.15, determine : () Extrusion rations (ii) True strain (homogencous deformation) (ii) Extrusion strain (iv) Ram force Example 10.3 A cylindrical billet of 40 mm diameter and 100 mm length is reduced by indirect (backward) extrusion to a 15 mm diameter using Flat dies. If the Johnson equation has a = 0.8 and b = 1.5 and the flow curve for the work metal has K= 750 MPa and n = 0.15, determine : () Extrusion rations (ii) True strain (homogencous deformation) (ii) Extrusion strain (iv) Ram force
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