Thermal stability and the structure of vacancy–solute clusters in iron alloys

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Thermal stability and the structure of vacancy–solute clusters in iron alloys. / Konstantinovic, Milan; Bonny, Giovanni.

In: Acta Materialia, Vol. 85, 15.02.2015, p. 107-111.

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@article{fd44e10e8e98418fa07dc5ab4fd59208,
title = "Thermal stability and the structure of vacancy–solute clusters in iron alloys",
abstract = "Thermal stability and the structure of clusters formed by neutron irradiation are studied by means of positron annihilation spectroscopy of post-irradiation annealed FeCu, FeCuMnNi and FeMnNi alloys and rigid lattice calculations. While most of the vacancy–solute clusters dissolve in the temperature range between 650 K and 700 K, the presence of Ni and Mn solutes in vacancy–MnNi clusters provides an additional thermal stability and shifts the annealing stage corresponding to the dissociation of these clusters to higher temperature. Very good agreement between the measurements and calculations is obtained for vacancy–MnNi clusters of nanometric size, containing of about 25–50{\%} of vacancies.",
keywords = "Vacancy–solute clusters , Neutron irradiation; , Positron annihilation; , iron alloys",
author = "Milan Konstantinovic and Giovanni Bonny",
note = "Score=10",
year = "2015",
month = "2",
day = "15",
doi = "10.1016/j.actamat.2014.11.026",
language = "English",
volume = "85",
pages = "107--111",
journal = "Acta Materialia",
issn = "1359-6454",
publisher = "Elsevier",

}

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TY - JOUR

T1 - Thermal stability and the structure of vacancy–solute clusters in iron alloys

AU - Konstantinovic, Milan

AU - Bonny, Giovanni

N1 - Score=10

PY - 2015/2/15

Y1 - 2015/2/15

N2 - Thermal stability and the structure of clusters formed by neutron irradiation are studied by means of positron annihilation spectroscopy of post-irradiation annealed FeCu, FeCuMnNi and FeMnNi alloys and rigid lattice calculations. While most of the vacancy–solute clusters dissolve in the temperature range between 650 K and 700 K, the presence of Ni and Mn solutes in vacancy–MnNi clusters provides an additional thermal stability and shifts the annealing stage corresponding to the dissociation of these clusters to higher temperature. Very good agreement between the measurements and calculations is obtained for vacancy–MnNi clusters of nanometric size, containing of about 25–50% of vacancies.

AB - Thermal stability and the structure of clusters formed by neutron irradiation are studied by means of positron annihilation spectroscopy of post-irradiation annealed FeCu, FeCuMnNi and FeMnNi alloys and rigid lattice calculations. While most of the vacancy–solute clusters dissolve in the temperature range between 650 K and 700 K, the presence of Ni and Mn solutes in vacancy–MnNi clusters provides an additional thermal stability and shifts the annealing stage corresponding to the dissociation of these clusters to higher temperature. Very good agreement between the measurements and calculations is obtained for vacancy–MnNi clusters of nanometric size, containing of about 25–50% of vacancies.

KW - Vacancy–solute clusters

KW - Neutron irradiation;

KW - Positron annihilation;

KW - iron alloys

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/35098563

U2 - 10.1016/j.actamat.2014.11.026

DO - 10.1016/j.actamat.2014.11.026

M3 - Article

VL - 85

SP - 107

EP - 111

JO - Acta Materialia

JF - Acta Materialia

SN - 1359-6454

ER -

ID: 5528530