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Microstructure and some properties of FeCr25Co15 alloy subjected to plastic deformation by complex load

  • Anna Korneva , Magdalena Bieda , Galija Korznikowa , Krzysztow Sztwiertnia and Aleksandr Korznikov
Published/Copyright: June 11, 2013
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Abstract

The microstructural, mechanical and magnetic properties of FeCr25Co15 alloy were examined after upset followed by torsion. Deformation was carried out at temperatures that corresponded to the appearance of α + γ phases. During the process, the initial lamellar microstructure of the material was transformed into a globular one. In the sample sections parallel to the upsetting direction a gradient microstructure, with a layer of submicron grains in the highest deformation zone, was formed. The thickness of the zone did not significantly depend on the deformation temperature. Measurements of the mechanical properties after magnetic treatment showed that the plasticity and strength of the deformed samples increased in comparison with the high coercive state.


* Correspondence address, M.Sci. Anna Korneva, Institute of Metallurgy and Materials Science, Polish Academy of Sciences, ul. Reymonta 25, PL-30-059 Krakow, Poland, Tel.: +48 12 637 42 00, Fax: +48 12 637 21 92, E-mail:

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Received: 2007-5-18
Accepted: 2008-5-5
Published Online: 2013-06-11
Published in Print: 2008-09-01

© 2008, Carl Hanser Verlag, München

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