Thermodynamic Modeling and Experimental Study of Phase Transformations in Alloys Based on γ-TiAl

A. V. Kuznetsov; V. S. Sokolovskii; G. A. Salishchev; N. A. Belov; N. A. Nochovnaya

doi:10.1007/s11041-016-9999-2

Thermodynamic Modeling and Experimental Study of Phase Transformations in Alloys Based on γ-TiAl

Authors: Kuznetsov A.V.¹, Sokolovskii V.S.¹, Salishchev G.A.¹, Belov N.A.², Nochovnaya N.A.³
Affiliations:
1. Belgogrod State University (BelGU)
2. National University of Science and Technology “MISiS”
3. Federal State Unitary Enterprise “VIAM”
Issue: Vol 58, No 5-6 (2016)
Pages: 259-267
Section: Titanium Alloys
URL: https://journal-vniispk.ru/0026-0673/article/view/235524
DOI: https://doi.org/10.1007/s11041-016-9999-2
ID: 235524

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Abstract

Thermo-Calc software is used to model the composition diagram for alloys based on γ-TiAl of the systems Ti – Al – Mo – (4 – 10) at.% Nb and Ti – Al – Nb – X (X is Cr, Mo, V). The effect of alloying on critical points and sequence of phase transformations is established. Changes in phase composition in relation to alloy TNM-B1 temperature are analyzed using a polythermal section of the Ti – Al – Nb – Mo system.