Отставнов М.А.


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Changes in phase composition and strength properties of 12Cr18Ni10Ti austenitic steel as a result of deformation and post-deformation annealing

Authors: Цай Кира Викторовна, Рофман О.В., Отставнов М.А., Цай Кира Викторовна, Отставнов М.А., Рофман О.В.

Keywords: облучение, нержавеющая сталь, 12Х18Н10Т

Organisation: РГП «Институт ядерной физики»

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The results of experiments studying the peculiarities of changes in both phase composition and mechanical properties of austenitic 12X18H10T stainless steel, unirradiated and irradiated with neutrons, subjected to low-temperature deformation and post-deformation annealings in the temperature range 300–800 °C are discussed. The features of the formation and growth of the martensitic-phase during deformation and annealing are investigated. The dependence of the α'-phase content on microhardness of austenitic steel is considered.

Changes in phase composition and strength properties of 12Cr18Ni10Ti austenitic steel as a result of deformation and post-deformation annealing

Authors: Цай Кира Викторовна, Рофман О.В., Отставнов М.А., Цай Кира Викторовна, Отставнов М.А., Рофман О.В.

Keywords: облучение, нержавеющая сталь, 12Х18Н10Т

Organisation: Казахский национальный университет им. аль-Фараби

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The results of experiments studying the peculiarities of changes in both phase composition and mechanical properties of austenitic 12X18H10T stainless steel, unirradiated and irradiated with neutrons, subjected to low-temperature deformation and post-deformation annealings in the temperature range 300–800 °C are discussed. The features of the formation and growth of the martensitic-phase during deformation and annealing are investigated. The dependence of the α'-phase content on microhardness of austenitic steel is considered.

Change of magnetic properties of irradiated neutrons and electrons of austenitic steels in the processes of mechanical and term relaxation of internal elastic stresses

Authors: Максимкин Олег Прокофьевич, Отставнов М.А., Мережко М.С., Максимкин Олег Прокофьевич

Keywords: облучение, 12Х18Н10Т

Organisation: РГП «Институт ядерной физики»

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The effect of irradiation with neutrons and electrons, as well as temperature effects on stress relaxation processes in austenitic nickel-chromium steels has been investigated. The effect of an increase in the content of the ferromagnetic phase in irradiated samples deformed at cryogenic temperatures and annealed in the temperature range of 400 °C was found.

Thermal aging effect on intergranular corrosion and corrosion cracking resistance of neutron irradiated 12Cr18Ni10Ti austenitic steel

Authors: Максимкин Олег Прокофьевич, Яровчук Алевтина Васильевна, Рубан Сергей Владимирович, Отставнов М.А., Турубарова Л.Г.

Keywords: 12Х18Н10Т, нейтронное облучение, термическое старение, сопротивление коррозии, склонность к межкристаллитной коррозии

Organisation: РГП «Институт ядерной физики»

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The results of the studies of thermal aging effect on corrosion resistance of stainless reactor steel 12Cr18Ni10Ti in unirradiated and neutrons irradiated states have been presented in the paper. The tendency to intergranular corrosion increase with the increase of neutron exposure dose was revealed. A significant reduction in the maximum failure strain and the appearance of the martensite phase was observed during steel testing for corrosion cracking. The maximum content of the martensite phase is formed in the samples aged at 650 °C due to high diffusion mobility of the alloying elements and development of the sensitization process.