Effect of silicon on the oxidation resistance of 9 wt.% Cr heat resistance steels in 550 °C lead-bismuth eutectic

Jian Wang; Shanping Lu; Lijian Rong; Dianzhong Li; Yiyi Li

doi:10.1016/j.corsci.2016.04.020

Effect of silicon on the oxidation resistance of 9 wt.% Cr heat resistance steels in 550 °C lead-bismuth eutectic

Jian Wang, Shanping Lu, Lijian Rong, Dianzhong Li, Yiyi Li

CAS - Institute of Metal Research

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The oxidation resistance of 9 wt.% Cr heat resistance steel with silicon content ranging from 0 to 1.36 wt.% in 550 °C lead-bismuth eutectic was investigated. The silicon content had little influence on the macro-structure of the oxide film. The oxide film presented a three-layers structure. The outer layer was PbO·xFe₂O₃ and Fe₃O₄ while the inner layer was mainly FeCr₂O₄. The formation of thin continuous dense Cr₂O₃ and SiO₂ mixture layer impeded the growth of Fe-rich oxide film, which improved the oxidation resistance in high silicon content. A oxidation process model was put forward to well explain this phenomenon.

源语言	英语
页（从-至）	13-25
页数	13
期刊	Corrosion Science
卷	111
DOI	https://doi.org/10.1016/j.corsci.2016.04.020
出版状态	已出版 - 1 10月 2016
已对外发布	是

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title = "Effect of silicon on the oxidation resistance of 9 wt.% Cr heat resistance steels in 550 °C lead-bismuth eutectic",

abstract = "The oxidation resistance of 9 wt.% Cr heat resistance steel with silicon content ranging from 0 to 1.36 wt.% in 550 °C lead-bismuth eutectic was investigated. The silicon content had little influence on the macro-structure of the oxide film. The oxide film presented a three-layers structure. The outer layer was PbO·xFe2O3 and Fe3O4 while the inner layer was mainly FeCr2O4. The formation of thin continuous dense Cr2O3 and SiO2 mixture layer impeded the growth of Fe-rich oxide film, which improved the oxidation resistance in high silicon content. A oxidation process model was put forward to well explain this phenomenon.",

keywords = "A. Steel, B. EPMA, B. TEM, B. XRD, C. Oxidation, C. Welding",

author = "Jian Wang and Shanping Lu and Lijian Rong and Dianzhong Li and Yiyi Li",

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T1 - Effect of silicon on the oxidation resistance of 9 wt.% Cr heat resistance steels in 550 °C lead-bismuth eutectic

AU - Wang, Jian

AU - Lu, Shanping

AU - Rong, Lijian

AU - Li, Dianzhong

AU - Li, Yiyi

PY - 2016/10/1

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N2 - The oxidation resistance of 9 wt.% Cr heat resistance steel with silicon content ranging from 0 to 1.36 wt.% in 550 °C lead-bismuth eutectic was investigated. The silicon content had little influence on the macro-structure of the oxide film. The oxide film presented a three-layers structure. The outer layer was PbO·xFe2O3 and Fe3O4 while the inner layer was mainly FeCr2O4. The formation of thin continuous dense Cr2O3 and SiO2 mixture layer impeded the growth of Fe-rich oxide film, which improved the oxidation resistance in high silicon content. A oxidation process model was put forward to well explain this phenomenon.

AB - The oxidation resistance of 9 wt.% Cr heat resistance steel with silicon content ranging from 0 to 1.36 wt.% in 550 °C lead-bismuth eutectic was investigated. The silicon content had little influence on the macro-structure of the oxide film. The oxide film presented a three-layers structure. The outer layer was PbO·xFe2O3 and Fe3O4 while the inner layer was mainly FeCr2O4. The formation of thin continuous dense Cr2O3 and SiO2 mixture layer impeded the growth of Fe-rich oxide film, which improved the oxidation resistance in high silicon content. A oxidation process model was put forward to well explain this phenomenon.

KW - A. Steel

KW - B. EPMA

KW - B. TEM

KW - B. XRD

KW - C. Oxidation

KW - C. Welding

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JF - Corrosion Science

ER -

Effect of silicon on the oxidation resistance of 9 wt.% Cr heat resistance steels in 550 °C lead-bismuth eutectic

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