ВВР-К РЕАКТОРЫНДАҒЫ НЕЙТРОНДАРМЕН СӘУЛЕЛЕНЕТІН АУСТЕНИТТІК ТОТ БАСПАЙТЫН БОЛАТТЫҢ ДЕФОРМАЦИЯЛАНУ ПРОЦЕСІНІҢ ФАЗАЛЫҚ-ҚҰРЫЛЫМДЫҚ ӨЗГЕРІСТЕРІ

Жұмыста термиялық нейтрондармен 3,7·10²⁰ н/см² флюенспен сәулеленетін 12Х18Н10Т және AISI304 аустенитті болаттардың пластикалық деформациясы (бір осьті созылу және қысу) кезінде мартенситтік түрлену ерекшеліктері зерттелді. 12Х18Н10Т және AISI304 болаттар үшін никель эквивалентінің мәндері және қабаттасудың ақаулық энергиясы есептелді. AISI304 болаты мартенситтік түрленуге көбірек бейім екені сонымен қатар бір осьтік керілу кезінде зерттелетін болаттардың механикалық сипаттамалары анықталды. Ұқсас беріктік сипаттамалары бар сәулеленген AISI304 болаттың икемділігі 12Х18Н10Т болаттан екі есе жоғары екендігі көрсетілген. Бұл факт AISI304 болатының пластикалық деформациясы кезінде мартенситтік трансформацияның неғұрлым қарқынды болуына байланысты.

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