Effects of thermal aging at 873 K on the impact properties of an ODS ferritic steel

Oñoro, Moisés; Castro, V. de; Auger, M.A.

doi:10.1016/j.nme.2023.101455

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“…On the other hand, the oxide dispersion distribution in the ODS remains stable after aging, as confirmed by TEM and APT analyses; so, any detrimental effect that might be caused by the intermetallic phases to the mechanical properties seems to be compensated by the stable nanoparticle dispersion. This same explanation is valid to justify the observed DBTT slight displacement from 255±12 K in the ODS reference material to 270±20 K in the ODS aged one [33]. Similar strength values for the ODS alloy before and after the aging treatment seem to be due to the observed stability of the Y-Ti-O nanoparticle dispersion.…”

Section: Discussionsupporting

confidence: 76%

See 1 more Smart Citation

Microstructural Stability of Secondary Phases in an Ods Ferritic Steel after Thermal Aging at 873 K

Oñoro¹,

Castro²,

Pöpperlová³

et al. 2023

Preprint

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Section: Discussionsupporting

confidence: 76%

“…The mechanical properties of the alloy presented in this work have been already reported in [32,33]. The aging treatment produced an increase in hardness, almost no change on the yield and tensile strength values but a general reduction of the total elongation.…”

Section: Introductionsupporting

confidence: 65%