Corrosion behavior of ferritic ODS steel prepared by adding YH2 nanoparticles in supercritical water at 600 °C

Zhonglian Bai; Linbo Wang; Chenxi Wang; Wenhua Gao; Lefu Zhang; Tong Liu

doi:10.1016/j.pnsc.2018.07.008

Corrosion behavior of ferritic ODS steel prepared by adding YH₂ nanoparticles in supercritical water at 600 °C

Zhonglian Bai
, Linbo Wang
, Chenxi Wang
, Wenhua Gao
, Lefu Zhang
, Tong Liu^*

^*此作品的通讯作者

材料科学与工程学院

Beihang University
Shanghai Jiao Tong University

科研成果: 期刊稿件 › 文章 › 同行评审

15 引用（Scopus）

摘要

The corrosion behavior of the ferritic oxide dispersion strengthened (ODS) steel (14Cr-3Al-2W-0.1Ti) prepared by adding YH₂ nanoparticles (NPs) was investigated in supercritical water (SCW) at 600 °C for 1500 h. The mass gain of the ODS steel (215.5 mg/dm²) was lower than that of SUS430 steel (357.2 mg/dm²). A dual oxide layer generated on the surface of ODS steel after corrosion in SCW. The outer layer was composed of Fe₂O₃ and Fe₃O₄, while the inner layer composed of the spinel-type FeCr₂O₄ together with Al₂O₃. The generation of Y₂Ti₂O₇ NPs in the ODS steel by adding YH₂ NPs prohibits the formation of Y-Al-O particles and leaves more Al available to form a continuous protective oxide scale to improve the corrosion resistance. Moreover, the Y₂Ti₂O₇ NPs act as efficient barriers to suppress the outward diffusion of metal atoms. This novel ODS steel shows potential applications in supercritical water.

源语言	英语
页（从-至）	505-509
页数	5
期刊	Progress in Natural Science: Materials International
卷	28
期	4
DOI	https://doi.org/10.1016/j.pnsc.2018.07.008
出版状态	已出版 - 8月 2018

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10.1016/j.pnsc.2018.07.008

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title = "Corrosion behavior of ferritic ODS steel prepared by adding YH2 nanoparticles in supercritical water at 600 °C",

abstract = "The corrosion behavior of the ferritic oxide dispersion strengthened (ODS) steel (14Cr-3Al-2W-0.1Ti) prepared by adding YH2 nanoparticles (NPs) was investigated in supercritical water (SCW) at 600 °C for 1500 h. The mass gain of the ODS steel (215.5 mg/dm2) was lower than that of SUS430 steel (357.2 mg/dm2). A dual oxide layer generated on the surface of ODS steel after corrosion in SCW. The outer layer was composed of Fe2O3 and Fe3O4, while the inner layer composed of the spinel-type FeCr2O4 together with Al2O3. The generation of Y2Ti2O7 NPs in the ODS steel by adding YH2 NPs prohibits the formation of Y-Al-O particles and leaves more Al available to form a continuous protective oxide scale to improve the corrosion resistance. Moreover, the Y2Ti2O7 NPs act as efficient barriers to suppress the outward diffusion of metal atoms. This novel ODS steel shows potential applications in supercritical water.",

keywords = "Corrosion behavior, Microstructure, ODS steel, Supercritical water",

author = "Zhonglian Bai and Linbo Wang and Chenxi Wang and Wenhua Gao and Lefu Zhang and Tong Liu",

note = "Publisher Copyright: {\textcopyright} 2018 Chinese Materials Research Society",

year = "2018",

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doi = "10.1016/j.pnsc.2018.07.008",

language = "英语",

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T1 - Corrosion behavior of ferritic ODS steel prepared by adding YH2 nanoparticles in supercritical water at 600 °C

AU - Bai, Zhonglian

AU - Wang, Linbo

AU - Wang, Chenxi

AU - Gao, Wenhua

AU - Zhang, Lefu

AU - Liu, Tong

PY - 2018/8

Y1 - 2018/8

N2 - The corrosion behavior of the ferritic oxide dispersion strengthened (ODS) steel (14Cr-3Al-2W-0.1Ti) prepared by adding YH2 nanoparticles (NPs) was investigated in supercritical water (SCW) at 600 °C for 1500 h. The mass gain of the ODS steel (215.5 mg/dm2) was lower than that of SUS430 steel (357.2 mg/dm2). A dual oxide layer generated on the surface of ODS steel after corrosion in SCW. The outer layer was composed of Fe2O3 and Fe3O4, while the inner layer composed of the spinel-type FeCr2O4 together with Al2O3. The generation of Y2Ti2O7 NPs in the ODS steel by adding YH2 NPs prohibits the formation of Y-Al-O particles and leaves more Al available to form a continuous protective oxide scale to improve the corrosion resistance. Moreover, the Y2Ti2O7 NPs act as efficient barriers to suppress the outward diffusion of metal atoms. This novel ODS steel shows potential applications in supercritical water.

AB - The corrosion behavior of the ferritic oxide dispersion strengthened (ODS) steel (14Cr-3Al-2W-0.1Ti) prepared by adding YH2 nanoparticles (NPs) was investigated in supercritical water (SCW) at 600 °C for 1500 h. The mass gain of the ODS steel (215.5 mg/dm2) was lower than that of SUS430 steel (357.2 mg/dm2). A dual oxide layer generated on the surface of ODS steel after corrosion in SCW. The outer layer was composed of Fe2O3 and Fe3O4, while the inner layer composed of the spinel-type FeCr2O4 together with Al2O3. The generation of Y2Ti2O7 NPs in the ODS steel by adding YH2 NPs prohibits the formation of Y-Al-O particles and leaves more Al available to form a continuous protective oxide scale to improve the corrosion resistance. Moreover, the Y2Ti2O7 NPs act as efficient barriers to suppress the outward diffusion of metal atoms. This novel ODS steel shows potential applications in supercritical water.

KW - Corrosion behavior

KW - Microstructure

KW - ODS steel

KW - Supercritical water

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U2 - 10.1016/j.pnsc.2018.07.008

DO - 10.1016/j.pnsc.2018.07.008

M3 - 文章

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SN - 1002-0071

VL - 28

SP - 505

EP - 509

JO - Progress in Natural Science: Materials International

JF - Progress in Natural Science: Materials International

IS - 4

ER -

Corrosion behavior of ferritic ODS steel prepared by adding YH2 nanoparticles in supercritical water at 600 °C

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Corrosion behavior of ferritic ODS steel prepared by adding YH₂ nanoparticles in supercritical water at 600 °C