Behavior of Fe-Mn-Al-C steels during cyclic tests |
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Authors: | I S Kalashnikov O Acselrad L C Pereira T Kalichak M S Khadyyev |
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Affiliation: | (1) Institute for Aviation Materials (VIAM), Moscow, Russia;(2) COPPE/EE, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil;(3) Ukrainian Academy of Sciences, Lviv, Ukraina;(4) Urals Polytechnic Institute, Ekaterinburg, Russia |
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Abstract: | Alloys of the FeMnAlC system have been used for cryogenic purposes and for applications up to 673 K. At low temperatures,
they have in general a better performance than austenitic Cr-Ni steels as far as fatigue is concerned, but are inferior to
martensitic Cr steels. However, since the fatigue strength of FeMnAlC alloys in the temperature range of 523 to 823 K is higher
than at room temperature, the present work has been conducted to describe the behavior of such alloys under the action of
cyclic loading, including elasto-plastic deformation and cyclic temperatures. It has been concluded that components can be
successfully subjected to cyclic loads in the elasto-plastic regime and to periodic changes in temperature under normal service
conditions. |
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Keywords: | fatigue thermal fatigue Fe-Mn-Al-C steels |
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