caa a22 4500 445859776 CHVBK 20180317145439.0 cr unu---uuuuu 170323e20110701xx s 000 0 eng 10.1007/s11041-011-9353-7 doi (NATIONALLICENCE)springer-10.1007/s11041-011-9353-7 Formation of laves phase in a refractory austenitic steel due to long-term heating [Elektronische Daten] [L. Tarasenko, A. Shal'kevich] Steels of the Fe - Cr - Ni -Mo - Nb - Al - C system are studied by methods of phase physicochemical analysis and electron microscopy with the aim to determine the causes of changes in mechanical properties after long-term heating at a temperature of 600 - 700°C. Grain-boundary formation of particles of a Laves phase is shown to cause decrease in the impact toughness and transformation of particles of γ′-phase under conditions of creep. The effect of alloying elements on the chemical composition of the multicomponent Laves phase is studied depending on the temperatures of hardening, aging, and subsequent heating. Concentration correspondence between the chemical composition of the austenite and the intermetallic tcp phase formed in aging is discovered. A computational scheme for predicting the possibility of formation of Laves phases in multicomponent alloys is suggested. Springer Science+Business Media, Inc., 2011 refractory austenitic steel nationallicence phase analysis nationallicence Laves phase nationallicence concentration correspondence nationallicence Tarasenko L. N. É. Bauman Moscow State Technical University, Moscow, Russia aut Shal'kevich A. N. É. Bauman Moscow State Technical University, Moscow, Russia aut Metal Science and Heat Treatment Springer US; http://www.springer-ny.com 53/3-4(2011-07-01), 123-126 0026-0673 53:3-4<123 2011 53 11041 https://doi.org/10.1007/s11041-011-9353-7 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11041-011-9353-7 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Tarasenko L. N. É. Bauman Moscow State Technical University, Moscow, Russia aut NATIONALLICENCE 700 1- Shal'kevich A. N. É. Bauman Moscow State Technical University, Moscow, Russia aut NATIONALLICENCE 773 0- Metal Science and Heat Treatment Springer US; http://www.springer-ny.com 53/3-4(2011-07-01), 123-126 0026-0673 53:3-4<123 2011 53 11041 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer