Twin boundary-accelerated ferritization of austenitic stainless steels in liquid lead-bismuth eutectic

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Twin boundary-accelerated ferritization of austenitic stainless steels in liquid lead-bismuth eutectic. / Hosemann, Peter; Frazer, D.; Stergar, Erich; Lambrinou, Konstantza.

In: Scripta Materialia, Vol. 118, No. 06, 06.2016, p. 37-40.

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@article{2be7ec0dc4bd406bac963e47951da12e,
title = "Twin boundary-accelerated ferritization of austenitic stainless steels in liquid lead-bismuth eutectic",
abstract = "Exposure of austenitic stainless steels to liquid lead–bismuth eutecticwith lowconcentration of dissolved oxygen typically results in selective leaching of highly-soluble alloying elements and ferritization of the dissolution-affected zone. In this work, focused ion beam, transmission electron backscatter diffraction and scanning transmission electron microscopy were utilized to elucidate early-stage aspects of the dissolution corrosion process of cold-worked austenitic stainless steels exposed to static, oxygen-poor liquid lead–bismuth eutectic at 450°C for 1000 h. It was found that deformation-induced twin boundaries in the cold-worked steel bulk provide paths of accelerated penetration of the liquid metal into the steel bulk.",
keywords = "steel, liquid metal corrosion (LMC), Focused uin beam (FIB), Electron Backscattering diffraction (EBSD), Scanning/transmission electron microscopy (STEM)",
author = "Peter Hosemann and D. Frazer and Erich Stergar and Konstantza Lambrinou",
note = "SCORE=10",
year = "2016",
month = "6",
doi = "10.1016/j.scriptamat.2016.02.029",
language = "English",
volume = "118",
pages = "37--40",
journal = "Scripta Materialia",
issn = "1359-6462",
publisher = "Elsevier",
number = "06",

}

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TY - JOUR

T1 - Twin boundary-accelerated ferritization of austenitic stainless steels in liquid lead-bismuth eutectic

AU - Hosemann, Peter

AU - Frazer, D.

AU - Stergar, Erich

AU - Lambrinou, Konstantza

N1 - SCORE=10

PY - 2016/6

Y1 - 2016/6

N2 - Exposure of austenitic stainless steels to liquid lead–bismuth eutecticwith lowconcentration of dissolved oxygen typically results in selective leaching of highly-soluble alloying elements and ferritization of the dissolution-affected zone. In this work, focused ion beam, transmission electron backscatter diffraction and scanning transmission electron microscopy were utilized to elucidate early-stage aspects of the dissolution corrosion process of cold-worked austenitic stainless steels exposed to static, oxygen-poor liquid lead–bismuth eutectic at 450°C for 1000 h. It was found that deformation-induced twin boundaries in the cold-worked steel bulk provide paths of accelerated penetration of the liquid metal into the steel bulk.

AB - Exposure of austenitic stainless steels to liquid lead–bismuth eutecticwith lowconcentration of dissolved oxygen typically results in selective leaching of highly-soluble alloying elements and ferritization of the dissolution-affected zone. In this work, focused ion beam, transmission electron backscatter diffraction and scanning transmission electron microscopy were utilized to elucidate early-stage aspects of the dissolution corrosion process of cold-worked austenitic stainless steels exposed to static, oxygen-poor liquid lead–bismuth eutectic at 450°C for 1000 h. It was found that deformation-induced twin boundaries in the cold-worked steel bulk provide paths of accelerated penetration of the liquid metal into the steel bulk.

KW - steel

KW - liquid metal corrosion (LMC)

KW - Focused uin beam (FIB)

KW - Electron Backscattering diffraction (EBSD)

KW - Scanning/transmission electron microscopy (STEM)

UR - http://ecm.sckcen.be/OTCS/llisapi.dll?func=ll&objId=20462103&objaction=overview&tab=1

U2 - 10.1016/j.scriptamat.2016.02.029

DO - 10.1016/j.scriptamat.2016.02.029

M3 - Article

VL - 118

SP - 37

EP - 40

JO - Scripta Materialia

JF - Scripta Materialia

SN - 1359-6462

IS - 06

ER -

ID: 783060