FIELD: process engineering.
SUBSTANCE: invention aims at increasing yield and mechanical properties of extruded articles. Billet and extruded article are simultaneously compressed pressure exceeding metal breaking point to produce pressure difference on extrusion piston side. Billet and extrusion hole in conical female die are lubed by working fluid wedge. Method comprises also compressing and extruding metal by piston via taped female die hole.
EFFECT: longer extruded article composite part, ruled out cracks and scours.
1 ex
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