Role of Ni, Si and P on the formation of solute-rich clusters under irradiation in Fe-Cr alloys

被引：0

作者：

Gueye, P.M. ^{[1
]}

Gómez-Ferrer, B. ^{[1
]}

Kaden, C. ^{[2
]}

Pareige, C. ^{[1
]}

机构：

[1] UNIROUEN, INSA Rouen, CNRS, Groupe de Physique des Matériaux, Rouen Normandy University, GPM - UMR 6634, Avenue de l'Université - BP12, 76801 St. Étienne du Rouvray, Rouen,76000, France

[2] Institute of Resource Ecology, Helmholtz-Zentrum Dresden - Rossendorf, Dresden,01328, Germany

来源：

Journal of Nuclear Materials | 2022年 / 570卷

基金：

欧盟地平线“2020”;

关键词：

Atoms - Binary alloys - Chromium alloys - Ion bombardment - Nanoclusters - Probes - Radiation - Silicon - Silicon alloys;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

After irradiation of Fe-Cr alloys of low purity (model alloys of F-M steels), minor solute elements as P, Ni and Si have been shown to create solute clusters which significantly contribute to hardening and might be associated with small dislocation loops. In order to understand the role of each impurity on the formation of the nano-features formed under irradiation and the eventual synergies between the different species, Fe-15at.%Cr-X (X = Si, Ni, P, NiSiP) alloys of different composition have been ion irradiated and characterized using atom probe tomography. Irradiation were performed at 300 °C up to 2.5 dpa in four alloys: Fe15CrNi, Fe15CrSi, Fe15CrP and Fe15CrNiSiP. Influence of C atoms implanted during irradiation on the nanostructure evolution is also discussed. The study of the evolution of the nanofeatures formed under irradiation with the dose as a function of the composition highlights the role of P and C on the formation of the nano-clusters and confirm the radiation-induced nature of solute-rich clusters. © 2022

引用

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