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The microstructure and characteristics of bulk magnesium consolidated from Mg powder by equal channel angular extrusion (ECAE) wereinvestigated. Cu cans lled with Mg powder, of about 74µm in diameter, were ECAE processed for one, two and four passes via the Bc route at473, 523 and 573K. The microstructure of ECAE-processed samples was observed by OM and SEM. The density of each sample wasdetermined using Archimedes’ principle. Microhardness and compression tests were conducted to investigate the mechanical properties of eachECAE-processed sample. The best consolidated condition between powders was achieved after four passes of ECAE at 573K. Density at 98.4%of the ideal density of bulk Mg was achieved, microhardness was about 49Hv, and compressive yield stress was about 100MPa.[doi:10.2320/matertrans.M2013006](Received January 7, 2013; Accepted February 4, 2013; Published March 15, 2013)Keywords: magnesium, powder metallurgy, equal channel angular extrusion, consolidation

Effect of Temperature and Extrusion Pass on the Consolidation of Magnesium Powders Using Equal Channel Angular Extrusion