B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C23/00—Extruding metal; Impact extrusion
B21C23/02—Making uncoated products
B21C23/18—Making uncoated products by impact extrusion
Procede de refoulage pour le corroyage d'un lopin metallique procede de preparation d'un lopin a une operation de forgeage selon le procede et dispositif de mise en oeuvre du procede
Barre coulee en alliage d'aluminium pour produits travailles presentant des proprietes mecaniques et une " travaillabilite " ameliorees, et procede de fabrication
Effects of Equal Channel Angular Pressing (ECAP) Process with an Additional Expansion-Extrusion Stage on Microstructure and Mechanical Properties of Mg–9Al–1Zn