Separation of a Solid Solution of a Fe-Ni Invar Alloy with Different Types of Point Defect Sinks under Electron Irradiation

S. E. Danilov; V. L. Arbuzov

doi:10.17804/2410-9908.2018.6.157-164

S. E. Danilov, V. L. Arbuzov

SEPARATION OF A SOLID SOLUTION OF A Fe-Ni INVAR ALLOY WITH DIFFERENT TYPES OF POINT DEFECT SINKS UNDER ELECTRON IRRADIATION

DOI: 10.17804/2410-9908.2018.6.157-164

Solid solution separation is studied for electron irradiation of a Fe-Ni alloy with different types of sinks of point defects in the form of dislocations and deformation-induced vacancy clusters. It is shown that the efficiency of deformation-induced dislocation sinks exceeds that of deformation-induced vacancy clusters. In isochronous annealing, two sub-stages of dissociation of vacancy clusters with dissociation energies of 1.2 and 1.5 eV are observed, which are independent of the method of creating vacancy clusters – deformation or electron irradiation.

Acknowledgement: The work was performed within the state assignment on the subject of Spin, No. АААА-А18-118020290104-2.

Keywords: irradiation, electrons, Fe-Ni Invar, deformation, sinks of point defects, solid solution separation

References:

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С. Е. Данилов, В. Л. Арбузов

РАССЛОЕНИЕ ТВЕРДОГО РАСТВОРА ИНВАРНОГО СПЛАВА FE-NI С РАЗНЫМИ ТИПАМИ СТОКОВ ТОЧЕЧНЫХ ДЕФЕКТОВ ПРИ ЭЛЕКТРОННОМ ОБЛУЧЕНИИ

Исследовано расслоение твердого раствора при электронном облучении в Fe-Ni-сплаве с разными типами стоков для точечных дефектов в виде дислокаций и деформационных вакансионных кластеров. Показано, что эффективность деформационных дислокационных стоков больше, чем эффективность деформационных вакансионных кластеров. При изохронных отжигах наблюдается две подстадии диссоциации вакансионных кластеров с энергиями диссоциации 1,2 и 1,5 эВ, которые не зависят от способа создания вакансионных кластеров: деформацией или облучением электронами.

Благодарность: Работа выполнена в рамках государственного задания по теме «Спин» №АААА-А18-118020290104-2

Ключевые слова: облучение, электроны, Fe-Ni инвар, деформация, стоки точечных дефектов, расслоение твердого раствора

Библиография:

Dimitrov C., Dimitrov O. Composition dependence of defect properties in electron-irradiated Fe-Cr-Ni solid solutions // Journal of Physics F: Metal Physics. – Vol. 14, no. 4. – P. 793–811. – DOI: 10.1088/0305-4608/14/4/005.
Mantl S., Sharma B. D., Antesberger G. Positron annihilation studies on electron- and α-particle- irradiated 75Ni13Cr12Fe alloys // Phil. Mag. A. – 1979. – Vol. 39, no. 4. – P. 389–397. – DOI: 10.1080/01418617908239279.
Low-temperature phase transformations in iron-nickel alloys under electron irradiation / S. S. Aliev, P. L. Gruzin, A. Z. Menshikov, B. M. Mogutnov, Yu. L. Rodionov, N. G. Shaposhnikov // Metallophysika. – 1985. – Vol. 7, no. 5. – P. 80–86.
Chamberod A., Laugier J., Penisson J. M. Electron irradiation effects on iron–nickel invar alloys // Journal of Magnetism and Magnetic Materials. – 1979. – Vol. 10. – P. 139–144. – DOI: 10.1016/0304-8853(79)90165-3.
Arbuzov V. L., Druzhkov A. P., Danilov S. E. Effect of phosphorous on defects accumulation and annealing in electron-irradiated Fe-Ni austenitic alloys // J. Nucl. Mater. – 2001. – Vol. 295, iss. 2–3. – P. 273–280. – DOI: 10.1016/S0022-3115(01)00505-0.
Separation of radiation defects in deformed nickel / S. E. Danilov, V. L. Arbuzov, N. L. Pecherkina, V. V. Sagaradze // The Physics of Metals and Metallography. – 2015. – Vol. 116, no. 7. – P. 711–717. – DOI: 10.1134/S0031918X15070042.
Druzhkov A. P., Arbuzov V. L., Perminov D. A. Accumulation and Annealing of Radiation Defects in Deformed Austenitic Alloys // The Physics of Metals and Metallography. – 2002. – Vol. 94, no. 1. – P. 68–72.
The Influence of Plastic Deformation and Radiation Defects on the Structural and Phase Transformations of N36 and N36T2 Austenitic Alloys / V. L. Arbuzov, S. E. Danilov, A. P. Druzhkov, D. A. Perminov // The Physics of Metals and Metallography. – 2004. – Vol. 98, no. 5. – P. 500–505.
Кубашевски О. Диаграммы состояния двойных систем на основе железа : справочник / пер. с англ. – М. : «Металлургия», 1985. – 183 с.

Библиографическая ссылка на статью

Danilov S. E., Arbuzov V. L. Separation of a Solid Solution of a Fe-Ni Invar Alloy with Different Types of Point Defect Sinks under Electron Irradiation // Diagnostics, Resource and Mechanics of materials and structures. - 2018. - Iss. 6. - P. 157-164. -
DOI: 10.17804/2410-9908.2018.6.157-164. -
URL: http://dream-journal.org/issues/2018-6/2018-6_207.html
(accessed: 22.12.2024).