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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

verfasst von: A. V. Komelkov, A. V. Nokhrin, A. A. Bobrov, A. N. Sysoev

Erschienen in: Physics of Metals and Metallography | Ausgabe 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.

Vorheriger Artikel 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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Titel: Thermal Stability of Microstructure and Properties of Ingots and Fine Wires from Al–Zr Alloys
verfasst von: A. V. Komelkov
A. V. Nokhrin
A. A. Bobrov
A. N. Sysoev
Publikationsdatum: 01.06.2024
Verlag: Pleiades Publishing
Erschienen in: Physics of Metals and Metallography / Ausgabe 6/2024
Print ISSN: 0031-918X
Elektronische ISSN: 1555-6190
DOI: https://doi.org/10.1134/S0031918X2460060X

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

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

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

Influence of Magnetic Field on Phase Transitions in the Antiferromagnetic Potts Model

Phase-Structural State of τ-MnAl(Ga) Alloys Prepared at Different Cooling Rates

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