The Influence of 2 At.% Si Addition on the Annealing of Radiation-Induced Defects in the Fe-13cr Alloy

A. L. Nikolaev

doi:10.17804/2410-9908.2021.4.023-033

A. L. Nikolaev

THE INFLUENCE OF 2 AT.% Si ADDITION ON THE ANNEALING OF RADIATION-INDUCED DEFECTS IN THE Fe-13Cr ALLOY

DOI: 10.17804/2410-9908.2021.4.023-033

The paper presents data on electrical resistivity recovery in the Fe-13.4Cr and Fe13.6Cr-1.9Si alloys during isochronal annealing after 5 MeV electron irradiation below 77 K. Long-range migration of radiation-induced defects starts slightly above 200 K in Fe-13.4Cr. The silicon addition in Fe13.6Cr-1.9Si leads to immobilization of Frenkel pair defects thus making the peaks of the stages of the onset of long-range migration shift towards high temperatures up to 370 K and 420 K for self-interstitial atoms and vacancies, respectively. This finding confirms the data obtained earlier for Fe16Cr-Si alloys by means of positron annihilation technique (JNM 508(2018) 100-106) on trapping of radiation-induced defects on Si agglomerates (clusters consisting of several silicon atoms) formed during defect migration.

Acknowledgement: The research was carried out under the state assignment from the Ministry of Science and Higher Education of the Russian Federation (theme Function, No. AAAA-A19-119012990095-0). The author thanks Dr. D.A. Perminov for critically reading the manuscript.

Keywords: Fe-Cr alloys, electron irradiation, radiation-induced defects, resistivity recovery, long-range defect migration, defect immobilization by Si agglomerates

References:

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А. Л. Николаев

ВЛИЯНИЕ 2 АТ. % Si НА ОТЖИГ РАДИАЦИОННЫХ ДЕФЕКТОВ В СПЛАВЕ Fe-13Cr

Представлены данные по возврату остаточного электросопротивления в сплавах Fe-13,4Cr и Fe13,6Cr-1,9Si при изохронном отжиге после облучения электронами 5 МэВ ниже 77 К. В сплаве Fe-13,4Cr дальняя миграция радиационных дефектов начинается немного выше 200 К. В сплаве Fe13,6Cr-1,9Si добавка кремния приводит к иммобилизации дефектов Френкеля, в результате чего пики стадий начала дальней миграции собственных междоузельных и вакансий сдвигаются в сторону высоких температур до 370 К и 420 К соответственно. Эти данные подтверждают результаты, полученные ранее в сплавах Fe16Cr-Si методом аннигиляции позитронов (JNM 508(2018) 100–106), о захвате радиационных дефектов на кремниевых агрегатах (кластерах, состоящих из нескольких атомов кремния), формирующихся в процессе миграции дефектов.

Благодарность: Работа выполнена в рамках государственного задания МИНОБРНАУКИ России (тема «Функция», № АААА-А19-119012990095-0). Автор выражает благодарность Д.А. Перминову за критические замечания при чтении работы.

Ключевые слова: сплавы Fe-Cr, облучение электронами, радиационные дефекты, возврат остаточного электросопротивления, дальняя миграция дефектов, иммобилизация дефектов агломератами из атомов Si

Библиография:

Druzhkov A. P., Nikolaev A. L. Effect of Si concentration on formation of vacancy complexes in electron-irradiated Fe16Cr-Si alloys studied by positron annihilation // J. Nucl. Mater. – 2018. – Vol. 508. – P. 100–106. – DOI: 10.1016/j.jnucmat.2018.05.040.
Nikolaev A. L. Specificity of stage III in electron-irradiated Fe-Cr alloys // Phil. Mag. – 2007. – Vol. 87, No. 31. – P. 4847–4874. – DOI: 10.1080/14786430701468977.
Nikolaev A. L. Difference approach to the analysis of resistivity recovery data for irradiated short-range ordered alloys // Phil. Mag. – 2009. – Vol. 89, No. 12. – P. 1017–1033. – DOI: 10.1080/14786430902835651.
Nikolaev A. L. Recovery of electrical resistivity, short-range order formation and migration of defects in electron-irradiated Fe-4Cr alloy doped with carbon // Phil. Mag. – 2011. – Vol. 91, No. 6. – P. 879–898. - DOI: 10.1080/14786435.2010.534740.
Druzhkov A. P., Nikolaev A. L. Effects of solute atoms on evolution of vacancy defects in electron-irradiated Fe-Cr-based alloys // J. Nucl. Mater. – 2011. – Vol. 408. – P. 194–200. – DOI: 10.1016/j.jnucmat.2010.11.036.
Dimitrov C., Dimitrov O. Composition dependence of defect properties in electron-irradiated Fe-Cr-Ni solid solutions // J. Phys. F: Met. Phys. – 1984. – Vol. 14. – P. 793–811. – DOI: 10.1088/0305-4608/14/4/005.
Benkaddour A., Dimitrov C., Dimitrov O. Irradiation-induced defects in ferritic Fe-Cr alloys // Mater. Sci. Forum. – 1987. – Vol. 15–18. – P. 1263–1268. – DOI: 10.4028/www.scientific.net/MSF.15-18.1263.
Investigation of the kinetics of short-range order formation and quenched-in vacancy annihilation in Au-15 at. % Ag by resistivity measurements / W. Kohl, R. Scheffel., H. Heidsiek, K. Lucke // Acta metall. – 1983. – Vol. 31, No 11. – P. 1895–1908. – DOI: 10.4028/www.scientific.net/MSF.15-18.1263.
Vaessen P., Lengeler B., Shilling W. Recovery of electrical resistivity in electron-irradiated concentrated silver-zinc alloys // Rad. Effects – 1984. – Vol. 81. – P. 277–292. – DOI: 10.1080/00337578408206075.
Mirebeau I., Hennion M., Parette G. First measurement of short-range-order inversion as a function of concentration in a transition alloy // Phys. Rev. Lett. – 1984. – Vol. 53. – P. 687–690. – DOI: 10.1103/PhysRevLett.53.687.
The influence of carbon on the resistivity recovery of proton irradiated Fe–11 at.% Cr alloys / G. Apostolopoulos, V. Lukianova, Z. Kotsina, A. Lagoyannis, K. Mergia, S. Harissopoulos, S. Messoloras // Nuclear Materials and Energy – 2016.– Vol. 9. – P. 465–470. – DOI: 10.1016/j.nme.2016.09.007.
Gómez-Ferrer Begoña. Resistivity recovery in Fe and FeCr alloys. – SpringerBriefs in Applied Sciences and Technology, 2016.
Nikolaev A. L., Arbuzov V. L., Davletshin A. E. On the effect of impurities on resistivity recovery, short-range ordering, and defect migration in electron-irradiated concentrated Fe–Cr alloys // J. Phys.: Condens. Matter. – 1997. – Vol. 9. – P. 4385–4402. – DOI: 10.1088/0953-8984/9/21/006.
Interstitial migration in dilute Fe-Si and Fe-Au alloys / F. Maury, A. Lucasson, P. Lucasson, P. Moser, Y. Loreaux // J. Phys. F: Met. Phys. – 1985. – Vol. 15. – P. 1465–1484. – DOI:10.1088/0305-4608/15/7/007.
The resistivity recovery of high purity and carbon doped iron following low temperature electron irradiation / S. Takaki, J. Fuss, H. Kugler, U. Dedek, H. Schultz // Rad. Effects – 1983. – Vol. 79. – P. 87–122. – DOI: 10.1080/00337578308207398.

Библиографическая ссылка на статью

Nikolaev A. L. The Influence of 2 At.% Si Addition on the Annealing of Radiation-Induced Defects in the Fe-13cr Alloy // Diagnostics, Resource and Mechanics of materials and structures. - 2021. - Iss. 4. - P. 23-33. -
DOI: 10.17804/2410-9908.2021.4.023-033. -
URL: http://dream-journal.org/issues/content/article_332.html
(accessed: 21.12.2024).