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Transformation of austenite in Fe-Cu alloys. I: Kinetics of the transformation |
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| Authors: | V. N. Urtsev D. A. Mirzaev I. L. Yakovleva |
| Affiliation: | (1) Ausferr Engineering Technical Center, ul. Gor’kogo 18-17, Magnitogorsk, Chelyabinskaya obl., 455000, Russia;(2) South-Ural State University, pr. Lenina, 76, Chelyabinsk, 454080, Russia;(3) Institute of Metal Physics, Ural Division, Russian Academy of Sciences, ul. S. Kovalevskoi 18, Ekaterinburg, 620041, Russia |
| Abstract: | The kinetics of autstenite decomposition in a hypereutectoid Fe-5.5% Cu alloy has been studied. Unusually large n values in the Avrami equation have been noted when using it for the approximation of experimental dependences. An explanation of this feature is given based on the hypothesis of a two-stage decomposition of the γ phase. An accelerating effect of hot plastic deformation on the austenite decomposition has been demonstrated. |
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