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Metal Science and Heat Treatment
Published in: Metal Science and Heat Treatment 9-10/2017

21-01-2017 | ALUMINUM Alloys

Effect of Annealing on the Electrical Resistivity and Strengthening of Low-Alloy Alloys of the Al – Zr – Si System

Authors: A. N. Alabin, N. A. Belov, N. O. Korotkova, M. E. Samoshinal

Published in: Metal Science and Heat Treatment | Issue 9-10/2017

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Abstract

The effect of annealing at up to 550°C on the electrical resistivity ρ and HB hardness of low-alloy alloys of the Al – Zr – Si system containing up to 0.3% Zr and 0.3% Si is studied. The Thermo-Calc software is used to analyze the phase composition of the system. The computed and experimental data are used to determine the lower and upper limits for heating of cast preforms from Al – Zr alloys (shaped castings and ingots). It is shown that heating below 400°C and above 450°C is not expedient, because it increases the duration of the annealing in the former case and lowers the hardening effect due to coarsening of the Zr-containing particles in the latter case.
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Metadata
Title
Effect of Annealing on the Electrical Resistivity and Strengthening of Low-Alloy Alloys of the Al – Zr – Si System
Authors
A. N. Alabin
N. A. Belov
N. O. Korotkova
M. E. Samoshinal
Publication date
21-01-2017
Publisher
Springer US
Published in
Metal Science and Heat Treatment / Issue 9-10/2017
Print ISSN: 0026-0673
Electronic ISSN: 1573-8973
DOI
https://doi.org/10.1007/s11041-017-0048-6

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