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Information × Registration Number 0216U002440, 0113U005366 , R & D reports Title Increased resources and reliability of structural materials active zones Ukrainian NPPs by optimizing the structural state and microalloying popup.stage_title Head Voyevodin Victor Mykolayovych, Доктор фізико-математичних наук Registration Date 10-03-2016 Organization National Science Center "Kharkiv Institute of Physics and Technology popup.description2 The developed techniques of preparing samples of zirconium alloys for ion irradiation and subsequent electron microscopic examination. Developed stabilization device for controlled thinning current designs. For a detailed study of dislocation structure alloys studied textures, using the diffraction method zvorotnorozsiyanyh electrons (EBSD) using HKL unit on microscope JSM-7001F. Texture is determined on polished wafers test material oriented according to the rolling direction TVELnyh pipes. An improvement of the ion source in order to optimize operation parameters. Made tanning training device (accelerator ESUVI) for simulation experiments on zirconium alloys. Of prepared samples of zirconium alloys pipes E110 and E125 further exposure. A study of the structure and phase composition of samples of alloy E110. Designated average grain size, composition of the second phase of discharge, their size and concentration. Investigated dislocation density to radiation. Done exposure samples of alloy E110 within 20-50 doses knows damage at temperatures 390oS and 550oS. An electron microscopic examination of structures exposed samples. It is shown that: 390oS irradiation at a dose range 5-50 locat leads to the formation of radiation-induced dislocation loops <a> -ta <c> -type and dislocation grid. With increasing radiation dose size and density of dislocation loops increases. At a dose of radiation over 20 knows is the formation of dislocations <c> -type that adjusts the beginning radiation accelerated growth. The temperature exposure has a significant impact on the size and concentration of dislocation loops. With increasing temperature loop size increases, and the concentration drops. At high doses there is a decrease in the concentration of niobium - niobiyeviy phase of the previous 74-82% wt. to 5-22%. A study of the structure and phase composition of samples of alloy E125 and E110M after exposure Zr6 + ions in the range of doses 20-30zna at 390oS It is shown that: 390oS irradiation at a dose range of 20-30 knows leads to the formation of radiation-induced dislocation loops <a> -ta <c> -type and dislocation grid. It is shown that doping with iron significantly reduce susceptibility to radiation zirconium alloys of growth, increasing their resource Product Description popup.authors Автушко Анатолій Андрійович Василенко Руслан Леонідович Воєводін Віктор Миколайович Кальченко Олександр Сергійович Купріянова Юлія Едуардівна Лимар Раїса Іванівна Назаренко Євген Олександрович Пилипенко Микола Миколайович Шевцов Анатолій Богданович popup.nrat_date 2020-04-02 Close