Both extrusion and bar drawing processes can be used to reduce the cross section. What can be the basic differences between extrusion and bar drawing processes? Also discuss briefly why must the drawing stress never exceed the yield strength of the work metal?

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Both extrusion and bar drawing processes can be used to reduce the cross section. What can be the basic differences between extrusion and bar drawing processes? Also discuss briefly why must the drawing stress never exceed the yield strength of the work metal?

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