Structure formation and properties of NbC-Hadfield steel cermets

Analysis of the effects of alloying with Si and Cr on the properties of manganese austenite based on AB INITIO modelling

“…2, a) showed that their base phase is Fe with a face-centered lattice (spatial group Fm-3m). The Fe lattice I III II I I II I I I I I I II II II I II II II II II II II II II III III III III III I II I II III II II III II II II II I I I parameter was a=3.576 Å, which is close to the parameters of the austenite lattice in Hadfield's steel after casting [29] and in welded joints of 3.60-3.62 Å [30]. The results of studying the microstructure of the experimental alloys obtained during the alloying with Si (Fig.…”

The thermodynamic and mechanical properties of Earth-abundant metal ternary boride Mo2(Fe,Mn)B2 solid solutions for impact- and wear-resistant alloys

“…13(c)) is similar up to ∼1200 K but exhibits a broader temperature range for the existence of γ-Fe(Mn) due to its stabilization by the effect of Mn, as commonly observed in austenitic high-Mn (Hadfield) steels. 55 The microstructural investigations (Fig. 13(e)) accurately reproduce the calculated phase composition, revealing Mo 2 (Fe,Mn)B 2 grains with a faceted angular shape and a lamellar eutectic structure (γ-Fe(Mn) + Mo 2 (Fe,Mn)B 2 ).…”

Thermodynamic Approach to the Development and Selection of Hardfacing Materials in Energy Industry

“…Traditionally the most commonly employed hardfacing materials for obtaining high abrasion resistance is the Febased alloys with large concentration of carbon and strong carbide forming elements such as Cr, Ti etc [1]. In conditions where high impact resistance needed, using Fe-based materials alloyed with austenite-forming elements such as Mn, Ni is much preferred [2]. In some cases, the mechanical properties of the coating are not so important as corrosion resistance and antifriction properties, which can be improved by alloying with Cr, Si, Cu, Nb [3,4,5].…”