Phase Transformations and Misorientations in Ferrite-Martensitic Steel upon Intense Plastic Deformation |
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| Authors: | N. A. Koneva N. A. Popova E. L. Nikonenko N. R. Sizonenko |
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| Affiliation: | 1.Tomsk State University of Architecture and Building,Tomsk,Russia;2.Institute of Strength Physics and Materials Science, Siberian Branch,Russian Academy of Sciences,Tomsk,Russia;3.National Research Tomsk Polytechnic University,Tomsk,Russia |
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| Abstract: | Changes in the structural and phase state of low-carbon steel with a mixed structure of tempered martensite and ferrite, and deformed by equal channel angular pressing (ECAP), are analyzed by means of transmission electronic microscopy and X-ray diffraction. The impact ECAP has on the phase composition and morphology of the alloy is determined. The behavior of the carbide phase is studied. Grain misorientations are measured. Special attention is given to the problem of fine grain formation upon ECAP. |
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