TY JOUR TI Exploration of Cyclic Crack Resistance of Steel of Molten Load-Bearing Parts for Freight Cars KW Cycle fatigue crack resistance KW molten bearing parts KW freight car bogie KW survivability KW X-ray micro-spectral analysis of molten steel KW fatigue crack growth rate JO Proceedings of Petersburg Transport University AU Danilenko, D.V. AU Efimov, V.P. AU Chernov, V.A. PY 2023 IS 20 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"