The features of microstructure and mechanical properties of austenitic steel after direct and reverse martensitic transformations I. Y. Litovchenko, S. A. Akkuzin, N. A. Polekhina [et.al.]
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ArticleSubject(s): микроструктура | механические свойства | стали | мартенситные превращенияGenre/Form: статьи в журналах Online resources: Click here to access online
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AIP Conference Proceedings Vol. 1683. P. 020123-1-020123-4Abstract: The features of structural states of metastable austenitic steel after thermomechanical treatments, including low-temperature deformation, warm deformation and subsequent annealing are investigated. It is shown that under these conditions the direct (γ → α′) and reverse (α′ → γ) martensitic transformations occur and submicrocrystalline structural states are formed. The proposed thermomechanical treatment allows varying the strength and plastic properties of austenitic steel in a wide range. The strength of steel in submicrocrystalline state is 4–6 times higher than its original value.
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The features of structural states of metastable austenitic steel after thermomechanical treatments, including low-temperature deformation, warm deformation and subsequent annealing are investigated. It is shown that under these conditions the direct (γ → α′) and reverse (α′ → γ) martensitic transformations occur and submicrocrystalline structural states are formed. The proposed thermomechanical treatment allows varying the strength and plastic properties of austenitic steel in a wide range. The strength of steel in submicrocrystalline state is 4–6 times higher than its original value.
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