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Author:

Chen, Lingzhi (Chen, Lingzhi.) | Wang, Man (Wang, Man.) | Tsisar, Valentyn (Tsisar, Valentyn.) | Schroer, Carsten (Schroer, Carsten.) | Zhou, Zhangjian (Zhou, Zhangjian.)

Indexed by:

EI Scopus SCIE

Abstract:

The microstructure of an alumina-forming austenitic stainless steel with a composition design of Fe-18Ni-16Cr-4Al-2Mo-0.4 Nb (in wt%) is characterized. The steel contains about 75 vol% austenitic phase and 25 vol% ferritic phase. B2-NiAl precipitates with round shape can be found only in the ferritic phase in the as-rolled sample. The corrosion behavior in static liquid lead with different oxygen content of 10(-9) and 10(-6%) by mass at 700 degrees C for 1000 h is investigated. After exposure for 1000 h in liquid lead with oxygen content of 10(-9%), obvious lead penetration combined with nickel dissolution is found. In the case of liquid lead with 10(-6)% oxygen content, a thin oxide layer can be formed on the surface, thus protecting the steel from liquid lead attack. After the corrosion test, significant precipitations are found in both austenitic and ferritic phases in the matrix of the steel.

Keyword:

Alumina-forming austenitic steel microstructure corrosion behavior liquid lead

Author Community:

  • [ 1 ] [Chen, Lingzhi]Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
  • [ 2 ] [Zhou, Zhangjian]Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
  • [ 3 ] [Wang, Man]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 4 ] [Tsisar, Valentyn]Karlsruhe Inst Technol KIT, Inst Appl Mat Appl Mat Phys, D-76344 Karlsruhe, Germany
  • [ 5 ] [Schroer, Carsten]Karlsruhe Inst Technol KIT, Inst Appl Mat Appl Mat Phys, D-76344 Karlsruhe, Germany

Reprint Author's Address:

  • [Zhou, Zhangjian]Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China

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Source :

MATERIALS RESEARCH EXPRESS

Year: 2020

Issue: 2

Volume: 7

2 . 3 0 0

JCR@2022

Cited Count:

WoS CC Cited Count: 10

SCOPUS Cited Count: 13

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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