α′ precipitation in neutron-irradiated Fe-Cr alloys

Mukesh Bachhav; G. Robert Odette; Emmanuelle A. Marquis

doi:10.1016/j.scriptamat.2013.10.001

α′ precipitation in neutron-irradiated Fe-Cr alloys

Mukesh Bachhav
, G. Robert Odette
, Emmanuelle A. Marquis

Materials and Fuels Complex

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

182 Scopus citations

Abstract

A series of model Fe-Cr alloys containing 3-18 at.% Cr was neutron irradiated at a nominal temperature of 563 K to 1.82 dpa. Solute distributions were analyzed by atom probe tomography, which revealed α′ precipitation for alloys containing more than 9 at.% Cr. Both the Cr concentration dependence of α′ precipitation and the measured matrix compositions are in agreement with the recently published Fe-Cr phase diagrams. An irradiation-accelerated precipitation process is strongly suggested.

Original language	English
Pages (from-to)	48-51
Number of pages	4
Journal	Scripta Materialia
Volume	74
DOIs	https://doi.org/10.1016/j.scriptamat.2013.10.001
State	Published - Mar 2014

Keywords

Atom probe tomography
Fe-Cr
Neutron irradiation
Precipitation

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10.1016/j.scriptamat.2013.10.001

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@article{12f52451a89044f0a1176bfce027f810,

title = "α′ precipitation in neutron-irradiated Fe-Cr alloys",

abstract = "A series of model Fe-Cr alloys containing 3-18 at.\% Cr was neutron irradiated at a nominal temperature of 563 K to 1.82 dpa. Solute distributions were analyzed by atom probe tomography, which revealed α′ precipitation for alloys containing more than 9 at.\% Cr. Both the Cr concentration dependence of α′ precipitation and the measured matrix compositions are in agreement with the recently published Fe-Cr phase diagrams. An irradiation-accelerated precipitation process is strongly suggested.",

keywords = "Atom probe tomography, Fe-Cr, Neutron irradiation, Precipitation",

author = "Mukesh Bachhav and \{Robert Odette\}, G. and Marquis, \{Emmanuelle A.\}",

note = "Funding Information: This work was supported by the University of Michigan College of Engineering, DOE Office of Nuclear Energy{\textquoteright}s Nuclear Energy University Programs at the University of Michigan and University of California-Santa Barbara Colleges of Engineering, and the ATR-NSUF program (carrying out the UCSB ATR-1 irradiation and handing and preparation of active specimens). ",

year = "2014",

month = mar,

doi = "10.1016/j.scriptamat.2013.10.001",

language = "English",

volume = "74",

pages = "48--51",

journal = "Scripta Materialia",

issn = "1359-6462",

publisher = "Acta Materialia Inc",

}

TY - JOUR

T1 - α′ precipitation in neutron-irradiated Fe-Cr alloys

AU - Bachhav, Mukesh

AU - Robert Odette, G.

AU - Marquis, Emmanuelle A.

N1 - Funding Information: This work was supported by the University of Michigan College of Engineering, DOE Office of Nuclear Energy’s Nuclear Energy University Programs at the University of Michigan and University of California-Santa Barbara Colleges of Engineering, and the ATR-NSUF program (carrying out the UCSB ATR-1 irradiation and handing and preparation of active specimens).

PY - 2014/3

Y1 - 2014/3

N2 - A series of model Fe-Cr alloys containing 3-18 at.% Cr was neutron irradiated at a nominal temperature of 563 K to 1.82 dpa. Solute distributions were analyzed by atom probe tomography, which revealed α′ precipitation for alloys containing more than 9 at.% Cr. Both the Cr concentration dependence of α′ precipitation and the measured matrix compositions are in agreement with the recently published Fe-Cr phase diagrams. An irradiation-accelerated precipitation process is strongly suggested.

AB - A series of model Fe-Cr alloys containing 3-18 at.% Cr was neutron irradiated at a nominal temperature of 563 K to 1.82 dpa. Solute distributions were analyzed by atom probe tomography, which revealed α′ precipitation for alloys containing more than 9 at.% Cr. Both the Cr concentration dependence of α′ precipitation and the measured matrix compositions are in agreement with the recently published Fe-Cr phase diagrams. An irradiation-accelerated precipitation process is strongly suggested.

KW - Atom probe tomography

KW - Fe-Cr

KW - Neutron irradiation

KW - Precipitation

UR - https://www.scopus.com/pages/publications/84890976014

U2 - 10.1016/j.scriptamat.2013.10.001

DO - 10.1016/j.scriptamat.2013.10.001

M3 - Article

AN - SCOPUS:84890976014

SN - 1359-6462

VL - 74

SP - 48

EP - 51

JO - Scripta Materialia

JF - Scripta Materialia

ER -

α′ precipitation in neutron-irradiated Fe-Cr alloys

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