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Physics of Metals and Metallography

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01-06-2024 | STRENGTH AND PLASTICITY

Thermal Stability of Microstructure and Properties of Ingots and Fine Wires from Al–Zr Alloys

Authors: A. V. Komelkov, A. V. Nokhrin, A. A. Bobrov, A. N. Sysoev

Published in: Physics of Metals and Metallography | Issue 6/2024

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Abstract

The process of precipitation of Al₃Zr particles in cast Al–(0.25–0.4) wt % Zr alloys manufactured by the induction casting method is studied. The effect of zirconium concentration on the structural parameters, hardness, and specific electrical resistance (SER) of cast alloys is investigated. The dependences of hardness and SER on the time of cast alloys annealing at 500°C are plotted. The parameters of the Johnson–Mehl–Avrami–Kolmogorov equation for alloys with different Zr content are determined. The optimal regimes of cast ingot aging are found. Fine wires with ∅0.3 mm are manufactured by the drawing method; their strength, SER, and hardness are studied in the initial state and after heat treatment. The tests of thermal stability of wires are carried out according to the state standard GOST R MEK 62004–2014.

previous article Microstructure of Fracture Surfaces after Radial Compression of Annular Specimens Made of Cladding Austenitic Steel Exposed to Damaging Dose above 100 dpa

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Title: Thermal Stability of Microstructure and Properties of Ingots and Fine Wires from Al–Zr Alloys
Authors: A. V. Komelkov
A. V. Nokhrin
A. A. Bobrov
A. N. Sysoev
Publication date: 01-06-2024
Publisher: Pleiades Publishing
Published in: Physics of Metals and Metallography / Issue 6/2024
Print ISSN: 0031-918X
Electronic ISSN: 1555-6190
DOI: https://doi.org/10.1134/S0031918X2460060X

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Abstract

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Springer Professional "Technik"

Microstructure of Fracture Surfaces after Radial Compression of Annular Specimens Made of Cladding Austenitic Steel Exposed to Damaging Dose above 100 dpa

Effect of Annealing Twins on Grain Boundary Migration in High-Purity Copper

Calculation of the Yield Strength of Polycrystalline Materials with a Hexagonal Close-Packed Lattice at a Given Texture

On the Effect of Heating of Two-Phase Alloyed Brasses on Morphological Peculiarities of Intermetallic Inclusions

Electrophysical Properties of Stainless Chromium–Nickel Steel at High Pressures and Temperatures at Stepwise Shock Compression

Surface Modification of Zr–Nb Alloy by Nanosecond Pulse Laser Processing