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作者:

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

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EI SCIE

摘要:

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.

关键词:

Alumina-forming austenitic steel corrosion behavior liquid lead microstructure

作者机构:

  • [ 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

通讯作者信息:

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

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来源 :

MATERIALS RESEARCH EXPRESS

年份: 2020

期: 2

卷: 7

2 . 3 0 0

JCR@2022

JCR分区:4

被引次数:

WoS核心集被引频次: 7

SCOPUS被引频次: 6

ESI高被引论文在榜: 0 展开所有

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