Аннотация. В статье представлены результаты исследований изменений микроструктуры углеродистой стали 95Х18Ш резервуаров при нагреве. При исследовании превращений остаточного аустенита мы столкнулись с явлениями, которые объяснить пока не в состоянии. Поэтому мы описали превращения, которые испытывает остаточный аустенит, не вскрывая механизма этих превращений. Анализ полученных результатов исследований показал процессы рекристаллизации, изменение твёрдости, фона внутреннего трения аустенитной стали. Установлено, что особенности распада аустенита при отпуске будут определяться значением температуры, до которого производился нагрев при отпуске стали.Summary. The article presents the results of studies of changes in the microstructure of carbon steel 95x18Sh tanks on heating. In the study of residual austenite transformations, we are faced with phenomena that are not yet in a state to explain. Therefore, in our article, we have made a description of the transformations that retained austenite undergoes without revealing the mechanism of these transformations. Analysis of the treated results of research showed recrystallization processes, changes in hardness, background of internal friction of austenitic steel. It has been established that the peculiarities of austenite decomposition on tempering will be determined by the temperature to which the heating was performed on tempering steel.
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