Semi-solid metal forming process

Details Semi-solid metal forming process Semi-solid metal forming process

B - Operations, Transporting

22

D

B22D 17/00 (2006.01) B21C 23/00 (2006.01) B21C 29/00 (2006.01) B21J 1/06 (2006.01) B21J 5/00 (2006.01) B22D 18/02 (2006.01) C22C 1/00 (2006.01)

Patent

CA 2227828

A semi-solid metal forming process using a cast billet and having the following steps: 1. heating the cast billet to a temperature above its recrystallization temperature and below its solidus temperature; 2. extruding the cast billet into an extruded column; 3. cutting the extruded column into at least one billet; 4. heating the billet from step 3 to a semi-solid state; and 5. squeezing the billet from step 4 into a cavity in a metal forming die set to form a part.

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