Atom probe field ion microscope measurements of carbon segregation at an α:α ggggrain boundary and service failures by intergranular stress corrosion cracking

A. Atrens; J. Q. Wang; K. Stiller; H. O. Andren

doi:10.1016/j.corsci.2004.11.014

Atom probe field ion microscope measurements of carbon segregation at an α:α ggggrain boundary and service failures by intergranular stress corrosion cracking

A. Atrens
, J. Q. Wang
, K. Stiller
, H. O. Andren

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

33 Scopus citations

Abstract

This work reports on a critical measurement to understand the intergranular stress corrosion cracking (IGSCC) of pipeline steels: the atom probe field ion microscope (APFIM) measurement of the carbon concentration at a grain boundary (GB). The APFIM measurement was related to the microstructure and to IGSCC observations. The APFIM indicated that the GB carbon concentration of X70 was ∼10 at% or less, which correlated with a high resistance to IGSCC for X70.

Original language	English
Pages (from-to)	79-92
Number of pages	14
Journal	Corrosion Science
Volume	48
Issue number	1
DOIs	https://doi.org/10.1016/j.corsci.2004.11.014
State	Published - Jan 2006
Externally published	Yes

Funding

The work was funded by ARC SPIRT grant sponsored by Agility Team Build, OneSteel Oil and Gas Pipe and Woodside Energy Ltd. We also thank the Australian Academy of Science for a travel grant to carry out the APFIM experiments.

Keywords

Carbon segregation
Grain boundary analysis
Pipeline steel
Stress corrosion cracking

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10.1016/j.corsci.2004.11.014

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title = "Atom probe field ion microscope measurements of carbon segregation at an α:α ggggrain boundary and service failures by intergranular stress corrosion cracking",

abstract = "This work reports on a critical measurement to understand the intergranular stress corrosion cracking (IGSCC) of pipeline steels: the atom probe field ion microscope (APFIM) measurement of the carbon concentration at a grain boundary (GB). The APFIM measurement was related to the microstructure and to IGSCC observations. The APFIM indicated that the GB carbon concentration of X70 was ∼10 at\% or less, which correlated with a high resistance to IGSCC for X70.",

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AU - Andren, H. O.

PY - 2006/1

Y1 - 2006/1

N2 - This work reports on a critical measurement to understand the intergranular stress corrosion cracking (IGSCC) of pipeline steels: the atom probe field ion microscope (APFIM) measurement of the carbon concentration at a grain boundary (GB). The APFIM measurement was related to the microstructure and to IGSCC observations. The APFIM indicated that the GB carbon concentration of X70 was ∼10 at% or less, which correlated with a high resistance to IGSCC for X70.

AB - This work reports on a critical measurement to understand the intergranular stress corrosion cracking (IGSCC) of pipeline steels: the atom probe field ion microscope (APFIM) measurement of the carbon concentration at a grain boundary (GB). The APFIM measurement was related to the microstructure and to IGSCC observations. The APFIM indicated that the GB carbon concentration of X70 was ∼10 at% or less, which correlated with a high resistance to IGSCC for X70.

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KW - Stress corrosion cracking

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Atom probe field ion microscope measurements of carbon segregation at an α:α ggggrain boundary and service failures by intergranular stress corrosion cracking

Abstract

Funding

Keywords

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