TEM study of the effect of high-temperature thermal cycles on the stability of the Y-Al-O oxides in MA956 ODS steel

J.R.O. Leo; S.R. Moturu; M.E.  Fitzpatrick

doi:10.1016/j.jmrt.2019.06.027

TEM study of the effect of high-temperature thermal cycles on the stability of the Y-Al-O oxides in MA956 ODS steel

J.R.O. Leo, S.R. Moturu, M.E. Fitzpatrick

Design, Manufacturing And Engineering Management

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12 Citations (Scopus)

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Abstract

MA956, a commercial ferritic grade of Oxide Dispersion-Strengthened (ODS) steel, was investigated using transmission electron microscopy (TEM) to evaluate the influence of high-temperature thermal cycles on the nanometric dispersed oxides. Analyses of the oxide size distribution were carried out on foils from the as-received MA956 and following treatment at 1285ºC for one hour, and show that growth of the oxides has occurred under the thermal cycle. Implications for the oxide stability in the steel matrix are discussed, in the light of the oxide chemical composition.

Original language	English
Pages (from-to)	3719-3725
Number of pages	7
Journal	Materials Research and Technology
Volume	8
Issue number	5
Early online date	11 Jul 2019
DOIs	https://doi.org/10.1016/j.jmrt.2019.06.027
Publication status	Published - 31 Oct 2019

Keywords

ODS
characterization
oxides
MA956
heat treatment
TEM

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10.1016/j.jmrt.2019.06.027Licence: CC BY-NC-ND 4.0

Leo-etal-MRT-2019-TEM-study-of-the-effect-of-high-temperature-thermal-cyclesFinal published version, 2.47 MBLicence: CC BY-NC-ND 4.0

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title = "TEM study of the effect of high-temperature thermal cycles on the stability of the Y-Al-O oxides in MA956 ODS steel",

abstract = "MA956, a commercial ferritic grade of Oxide Dispersion-Strengthened (ODS) steel, was investigated using transmission electron microscopy (TEM) to evaluate the influence of high-temperature thermal cycles on the nanometric dispersed oxides. Analyses of the oxide size distribution were carried out on foils from the as-received MA956 and following treatment at 1285ºC for one hour, and show that growth of the oxides has occurred under the thermal cycle. Implications for the oxide stability in the steel matrix are discussed, in the light of the oxide chemical composition.",

keywords = "ODS, characterization, oxides, MA956, heat treatment, TEM",

author = "J.R.O. Leo and S.R. Moturu and M.E. Fitzpatrick",

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language = "English",

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T1 - TEM study of the effect of high-temperature thermal cycles on the stability of the Y-Al-O oxides in MA956 ODS steel

AU - Leo, J.R.O.

AU - Moturu, S.R.

AU - Fitzpatrick, M.E.

PY - 2019/10/31

Y1 - 2019/10/31

N2 - MA956, a commercial ferritic grade of Oxide Dispersion-Strengthened (ODS) steel, was investigated using transmission electron microscopy (TEM) to evaluate the influence of high-temperature thermal cycles on the nanometric dispersed oxides. Analyses of the oxide size distribution were carried out on foils from the as-received MA956 and following treatment at 1285ºC for one hour, and show that growth of the oxides has occurred under the thermal cycle. Implications for the oxide stability in the steel matrix are discussed, in the light of the oxide chemical composition.

AB - MA956, a commercial ferritic grade of Oxide Dispersion-Strengthened (ODS) steel, was investigated using transmission electron microscopy (TEM) to evaluate the influence of high-temperature thermal cycles on the nanometric dispersed oxides. Analyses of the oxide size distribution were carried out on foils from the as-received MA956 and following treatment at 1285ºC for one hour, and show that growth of the oxides has occurred under the thermal cycle. Implications for the oxide stability in the steel matrix are discussed, in the light of the oxide chemical composition.

KW - ODS

KW - characterization

KW - oxides

KW - MA956

KW - heat treatment

KW - TEM

UR - https://www.scopus.com/pages/publications/85071945460

U2 - 10.1016/j.jmrt.2019.06.027

DO - 10.1016/j.jmrt.2019.06.027

M3 - Article

SN - 2238-7854

VL - 8

SP - 3719

EP - 3725

JO - Materials Research and Technology

JF - Materials Research and Technology

IS - 5

ER -

TEM study of the effect of high-temperature thermal cycles on the stability of the Y-Al-O oxides in MA956 ODS steel

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Keywords

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