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Metallurgist

Erschienen in:

11.07.2024

Comparative analysis of the effect of magnesium and zinc on the structure and mechanical properties of hot-rolled and cold-rolled alloy Al–2%Cu–1.5%Mn sheets

verfasst von: K. A. Tsydenov, N. A. Belov, V. V. Doroshenko, O. O. Shcherbakova, T. I. Muravyeva

Erschienen in: Metallurgist | Ausgabe 3/2024

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Abstract

In this study, using an example of cold-rolled sheets, the separate effect of magnesium and zinc in an amount up to 2% upon the structure and mechanical properties of a thermally non-hardening heat-resistant alloy Al–2%Cu–1.5%Mn, the composition of which is optimized to obtain the maximum fraction of Al₂₀Cu₂Mn₃ phase, is studied. It is found that in a cast state, zinc is completely contained within aluminum solid solution, and magnesium is partially included within eutectic particles of the Al₂CuMg phase. These elements hardly affect the amount of Al₂₀Cu₂Mn₃ phase, which is formed during deformation and heat treatment in the form of nanoscale dispersoids. It is found that addition of 1% magnesium increases the strength of cold-rolled sheets of the base alloy by 15% after 3‑hour annealing at 400 °C, without reducing the ductility. In turn, alloying with zinc does not have a significant effect on strength.

Vorheriger Artikel Investigation of the Waelz oxide calcination process in tubular rotary kilns

Nächster Artikel Structure of coatings produced on steel by Ni-Al based alloys after thermal cycling

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Titel: Comparative analysis of the effect of magnesium and zinc on the structure and mechanical properties of hot-rolled and cold-rolled alloy Al–2%Cu–1.5%Mn sheets
verfasst von: K. A. Tsydenov
N. A. Belov
V. V. Doroshenko
O. O. Shcherbakova
T. I. Muravyeva
Publikationsdatum: 11.07.2024
Verlag: Springer US
Erschienen in: Metallurgist / Ausgabe 3/2024
Print ISSN: 0026-0894
Elektronische ISSN: 1573-8892
DOI: https://doi.org/10.1007/s11015-024-01742-1

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