Quantitative Analysis of the Phase Composition of the Ti – Al – Mo – V – Zr System as Applied to Castable Titanium Alloy VT20L

N. A. Belov; S. O. Bel’tyukova; V. D. Belov; A. M. Alimzhanova

doi:10.1007/s11041-016-9980-0

Quantitative Analysis of the Phase Composition of the Ti – Al – Mo – V – Zr System as Applied to Castable Titanium Alloy VT20L

Authors: Belov N.A.¹, Bel’tyukova S.O.¹, Belov V.D.¹, Alimzhanova A.M.²
Affiliations:
1. National University of Science and Technology “MISiS”
2. Kazakh National Technical University after K. I. Satpaev
Issue: Vol 58, No 3-4 (2016)
Pages: 153-158
Section: Titanium Alloys
URL: https://journals.rcsi.science/0026-0673/article/view/235435
DOI: https://doi.org/10.1007/s11041-016-9980-0
ID: 235435

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Abstract

Quantitative analysis of the phase composition of the Ti – Al – Mo – V – Zr system is performed as applied to a standard titanium alloy VT20L. Polythermal and isothermal sections of the phase diagram are plotted, the solidus and liquidus temperatures and the temperature of transition to the β-range under heating (T_pt) are determined. The methods of light and scanning electron microscopy are used to study the effect of heat treatment on the structure of alloy VT20L.