Chloride-induced stress corrosion cracking of oxide-dispersion-strengthened austenitic steels

Xueliang Yan; Fei Wang; Lejun Jiang; Xiaoxing Qiu; Yongfeng Lu; Michael Nastasi; Zhangjian Zhou; Bai Cui

doi:10.5006/2664

Chloride-induced stress corrosion cracking of oxide-dispersion-strengthened austenitic steels

Xueliang Yan, Fei Wang, Lejun Jiang, Xiaoxing Qiu, Yongfeng Lu, Michael Nastasi, Zhangjian Zhou, Bai Cui

Electrical & Computer Engineering

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

The stress corrosion cracking (SCC) behavior of oxide-dispersion-strengthened (ODS) 304 austenitic steels has been investigated in a chloride-rich aqueous environment at 143°C. ODS 304 alloys are found to be more resistant to SCC than the commercial AISI 304 steels. Under a constant tensile load of 177 MPa, the crack growth rate in ODS 304 steels is about one fourth of AISI 304 steels, and the time-to-failure of ODS 304 steels is 7.5 times of AISI 304 steels. Intergranular SCC dominates the fracture surface of AISI 304 steel, while in ODS 304 steel both intergranular and transgranular SCC occur. Electrochemical reactivity tests show ODS 304 steel is less sensitized than AISI 304, likely a result of a low carbon concentration and small grain size.

Original language	English (US)
Pages (from-to)	424-429
Number of pages	6
Journal	Corrosion
Volume	74
Issue number	4
DOIs	https://doi.org/10.5006/2664
State	Published - 2018

Keywords

Corrosion
Fracture
ODS austenitic steels
Stress corrosion cracking

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Materials Science(all)

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title = "Chloride-induced stress corrosion cracking of oxide-dispersion-strengthened austenitic steels",

abstract = "The stress corrosion cracking (SCC) behavior of oxide-dispersion-strengthened (ODS) 304 austenitic steels has been investigated in a chloride-rich aqueous environment at 143°C. ODS 304 alloys are found to be more resistant to SCC than the commercial AISI 304 steels. Under a constant tensile load of 177 MPa, the crack growth rate in ODS 304 steels is about one fourth of AISI 304 steels, and the time-to-failure of ODS 304 steels is 7.5 times of AISI 304 steels. Intergranular SCC dominates the fracture surface of AISI 304 steel, while in ODS 304 steel both intergranular and transgranular SCC occur. Electrochemical reactivity tests show ODS 304 steel is less sensitized than AISI 304, likely a result of a low carbon concentration and small grain size.",

keywords = "Corrosion, Fracture, ODS austenitic steels, Stress corrosion cracking",

author = "Xueliang Yan and Fei Wang and Lejun Jiang and Xiaoxing Qiu and Yongfeng Lu and Michael Nastasi and Zhangjian Zhou and Bai Cui",

note = "Funding Information: The authors would like to thank Dr. Raul Rebak (GE Global Research) for helpful technical discussions. Acknowledgment is made to the Donors of the American Chemical Society Petroleum Research Fund, for support (or partial support) of this research. This work was partially supported by the Nebraska Public Power District through the Nebraska Center for Energy Sciences Research. Manufacturing and characterization analyses were performed at the Nano-Engineering Research Core Facility (part of the Nebraska Nanoscale Facility), which is partially funded from the Nebraska Research Initiative. Publisher Copyright: {\textcopyright} 2018, NACE International",

year = "2018",

doi = "10.5006/2664",

language = "English (US)",

volume = "74",

pages = "424--429",

journal = "Corrosion",

issn = "0010-9312",

publisher = "National Association of Corrosion Engineers",

number = "4",

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T1 - Chloride-induced stress corrosion cracking of oxide-dispersion-strengthened austenitic steels

AU - Yan, Xueliang

AU - Wang, Fei

AU - Jiang, Lejun

AU - Qiu, Xiaoxing

AU - Lu, Yongfeng

AU - Nastasi, Michael

AU - Zhou, Zhangjian

AU - Cui, Bai

N1 - Funding Information: The authors would like to thank Dr. Raul Rebak (GE Global Research) for helpful technical discussions. Acknowledgment is made to the Donors of the American Chemical Society Petroleum Research Fund, for support (or partial support) of this research. This work was partially supported by the Nebraska Public Power District through the Nebraska Center for Energy Sciences Research. Manufacturing and characterization analyses were performed at the Nano-Engineering Research Core Facility (part of the Nebraska Nanoscale Facility), which is partially funded from the Nebraska Research Initiative. Publisher Copyright: © 2018, NACE International

PY - 2018

Y1 - 2018

N2 - The stress corrosion cracking (SCC) behavior of oxide-dispersion-strengthened (ODS) 304 austenitic steels has been investigated in a chloride-rich aqueous environment at 143°C. ODS 304 alloys are found to be more resistant to SCC than the commercial AISI 304 steels. Under a constant tensile load of 177 MPa, the crack growth rate in ODS 304 steels is about one fourth of AISI 304 steels, and the time-to-failure of ODS 304 steels is 7.5 times of AISI 304 steels. Intergranular SCC dominates the fracture surface of AISI 304 steel, while in ODS 304 steel both intergranular and transgranular SCC occur. Electrochemical reactivity tests show ODS 304 steel is less sensitized than AISI 304, likely a result of a low carbon concentration and small grain size.

AB - The stress corrosion cracking (SCC) behavior of oxide-dispersion-strengthened (ODS) 304 austenitic steels has been investigated in a chloride-rich aqueous environment at 143°C. ODS 304 alloys are found to be more resistant to SCC than the commercial AISI 304 steels. Under a constant tensile load of 177 MPa, the crack growth rate in ODS 304 steels is about one fourth of AISI 304 steels, and the time-to-failure of ODS 304 steels is 7.5 times of AISI 304 steels. Intergranular SCC dominates the fracture surface of AISI 304 steel, while in ODS 304 steel both intergranular and transgranular SCC occur. Electrochemical reactivity tests show ODS 304 steel is less sensitized than AISI 304, likely a result of a low carbon concentration and small grain size.

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KW - Fracture

KW - ODS austenitic steels

KW - Stress corrosion cracking

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Chloride-induced stress corrosion cracking of oxide-dispersion-strengthened austenitic steels

Abstract

Keywords

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