Powder Metallurgy DRA Process Description

Courtesy of DWA Aluminum Composites

Al Powder

SiCp

+

Blend

Raw Materials

Cold Compaction

+

Vacuum

Hot-Press

825-1000 lb.

DRA

Billet

Outside

Secondary

Processing

Extrude

Roll

Forge

Discontinuously Reinforced

Aluminum (DRA)

Extrusion Ratio = 373:1