A cylinder is being compressed to a final height of 50 mm and a diameter of 25 mm. The pressure at the punch is 200 MPa. What is the pressure at the middle of the cylinder if compaction takes place (a) unlubricated (k =0.6 and u =0.2); and (b) lubricated to almost frictionless conditions?

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The pressure distribution in a compacted powder mass can be estimated by considering the friction wi... View the full answer