Two different zirconium contents (0.45 and 0.60 wt.%) have been incorporated into a Fe-
14Cr-5Al-3W-0.4 Ti-0.25 Y2O3 oxide dispersion-strengthened (ODS) steel in order to
evaluate their effect on the final microstructure and mechanical properties. The powders with
the targeted compositions were obtained by mechanical alloying (MA), and subsequently
processed by spark plasma sintering (SPS) at two different heating rates: 100 and 400° C·
min− 1. Non-textured bimodal microstructures composed of micrometric and ultrafine grains …

Abstract Two different zirconium contents (0.45 and 0.60 wt.%) have been incorporated into
a Fe-14Cr-5Al-3W-0.4 Ti-0.25 Y2O3 oxide dispersion-strengthened (ODS) steel in order to
evaluate their effect on the final microstructure and mechanical properties. The powders with
the targeted compositions were obtained by mechanical alloying (MA), and subsequently
processed by spark plasma sintering (SPS) at two different heating rates: 100 and 400 C·
min-1. Non-textured bimodal microstructures composed of micrometric and ultrafine grains …