Mechanical properties of FeCr alloys after neutron irradiation

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Mechanical properties of FeCr alloys after neutron irradiation. / Konstantinovic, Milan; Malerba, Lorenzo.

In: Journal of Nuclear Materials, Vol. 528, 151879, 01.2020, p. 1-5.

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Konstantinovic, Milan ; Malerba, Lorenzo. / Mechanical properties of FeCr alloys after neutron irradiation. In: Journal of Nuclear Materials. 2020 ; Vol. 528. pp. 1-5.

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@article{da90500d3336444c84c691ac0ba9055d,
title = "Mechanical properties of FeCr alloys after neutron irradiation",
abstract = "The mechanical properties of neutron irradiated Fe–Cr ferritic model alloys with various concentrations of Cr and minor solutes (Ni, Si and P) were investigated along with high-Cr ferritic/martensitic steels. The neutron irradiation was performed in a materials test reactor at two temperatures, 290 ∘C and 450 ∘C, reaching a dose of 0.11 dpa. Tensile tests were subsequently performed on small flat specimens. Significant hardening of about 225 MPa was observed only in model alloys containing Ni, Si and P solute atoms, irrespective of the Cr content and the irradiation temperature. These results suggest that Cr solutes play lesser role in irradiation hardening of ferritic/martensitic alloys steels than previously believed, while minor solutes have a clear effect.",
keywords = "Neutron irradiation, FeCr alloys and steels, Yield stress",
author = "Milan Konstantinovic and Lorenzo Malerba",
note = "Score=10",
year = "2020",
month = jan,
doi = "10.1016/j.jnucmat.2019.151879",
language = "English",
volume = "528",
pages = "1--5",
journal = "Journal of Nuclear Materials",
issn = "0022-3115",
publisher = "Elsevier",

}

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TY - JOUR

T1 - Mechanical properties of FeCr alloys after neutron irradiation

AU - Konstantinovic, Milan

AU - Malerba, Lorenzo

N1 - Score=10

PY - 2020/1

Y1 - 2020/1

N2 - The mechanical properties of neutron irradiated Fe–Cr ferritic model alloys with various concentrations of Cr and minor solutes (Ni, Si and P) were investigated along with high-Cr ferritic/martensitic steels. The neutron irradiation was performed in a materials test reactor at two temperatures, 290 ∘C and 450 ∘C, reaching a dose of 0.11 dpa. Tensile tests were subsequently performed on small flat specimens. Significant hardening of about 225 MPa was observed only in model alloys containing Ni, Si and P solute atoms, irrespective of the Cr content and the irradiation temperature. These results suggest that Cr solutes play lesser role in irradiation hardening of ferritic/martensitic alloys steels than previously believed, while minor solutes have a clear effect.

AB - The mechanical properties of neutron irradiated Fe–Cr ferritic model alloys with various concentrations of Cr and minor solutes (Ni, Si and P) were investigated along with high-Cr ferritic/martensitic steels. The neutron irradiation was performed in a materials test reactor at two temperatures, 290 ∘C and 450 ∘C, reaching a dose of 0.11 dpa. Tensile tests were subsequently performed on small flat specimens. Significant hardening of about 225 MPa was observed only in model alloys containing Ni, Si and P solute atoms, irrespective of the Cr content and the irradiation temperature. These results suggest that Cr solutes play lesser role in irradiation hardening of ferritic/martensitic alloys steels than previously believed, while minor solutes have a clear effect.

KW - Neutron irradiation

KW - FeCr alloys and steels

KW - Yield stress

UR - https://ecm.sckcen.be/OTCS/llisapi.dll?func=ll&objId=43594626&objAction=download

U2 - 10.1016/j.jnucmat.2019.151879

DO - 10.1016/j.jnucmat.2019.151879

M3 - Article

VL - 528

SP - 1

EP - 5

JO - Journal of Nuclear Materials

JF - Journal of Nuclear Materials

SN - 0022-3115

M1 - 151879

ER -

ID: 7111124