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The crystal structures of Al2O3 and Y-Al-O particles in the as-hot pressed (as-hped) and as-heat treated oxide dispersion strengthened (ODS) steel were identified in this paper using high resolution transmission electron microscopy (HRTEM) techniques. The carbon extraction replicas were utilized to investigate the composition and crystal structure of the oxide particles in order to exclude the influence...
Oxide dispersion strengthened (ODS) steels are the most fascinating candidate materials for high temperature nuclear applications. ODS steel with nominal composition of Fe–14Cr–2W–0.2V–0.07Ta–10Y2O3 was prepared by mechanical alloying (MA). The morphology and structure evolution of the alloy powders and Y2O3 nanoparticles during MA and following annealing were studied in this work. Results show that...
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