Construction Material for Tribo-Fatigue Systems: Fatigue Resistance and Structure

A brief overview of the practical use of the new construction material of MONICA is given. An experimental study was performed for the first time on the analysis of the influence of the microstructural state on fatigue resistance. It is established that the fatigue limit of this material, based on 1...

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Veröffentlicht in:	Mehanika mašin, mehanizmov i materialov (Online) mehanizmov i materialov (Online), 2018-12 (4(41)), p.71-81
Hauptverfasser:	Leonid A. Sosnovskiy, Alexander A. Novikov, Sergey S. Sherbakov, Victor V. Commissarov, Sergey A. Tyurin, Pavel S. Drobyshevskiy
Format:	Artikel
Sprache:	eng
Schlagworte:	cast iron ductility fatigue resistance gear wheels graphite inclusions heavy traffic knife — counter beam microstructure monica strength structural material tribo-fatigue system “wheel — rail” system
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Beschreibung
Zusammenfassung:	A brief overview of the practical use of the new construction material of MONICA is given. An experimental study was performed for the first time on the analysis of the influence of the microstructural state on fatigue resistance. It is established that the fatigue limit of this material, based on 108 cycles, is not lower than 243 MPa. The role of the stress concentration in the vicinity of nonmetallic (graphite) inclusions on the formation of the fatigue resistance of MONICA is discussed. The ways of possible increase of the fatigue limit of this material up to ∼300 MPa and more are indicated.
ISSN:	1995-0470 2518-1475