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Physics of Metals and Metallography
Published in: Physics of Metals and Metallography 5/2020

01-05-2020 | STRENGTH AND PLASTICITY

Effect of Multidirectional Forging on the Microstructure and Mechanical Properties of the Al–Mg–Mn–Cr Alloy

Authors: A. A. Kishchik, M. S. Kishchik, A. D. Kotov, A. V. Mikhaylovskaya

Published in: Physics of Metals and Metallography | Issue 5/2020

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Abstract

The effect of multidirectional forging on the grain structure and parameters of secondary-phase particles in the Al–4.8Mg–1.2Mn–0.1Cr alloy has been investigated using the methods of the scanning and transmission electron microscopy. The multidirectional forging performed at a temperature of 350°C to a cumulative strain of 10.5 has resulted in a 1.5 decrease in average particle sizes of the manganese-bearing phases of crystallization origin and dispersoids and in the formation of a structure with a mean grain size of 1.7 µm. Multidirectional forging included in a sheet processing, in contrast to hot rolling, forms an equiaxed grain structure with a grain size of about 6 µm in recrystallized sheets and with enhanced strength characteristics.
previous article Microstructure Evolution and Mechanical Properties of 2219 Aluminum Alloy A–TIG Welds
next article Effect of Impurities on the Phase Composition and Properties of a Wrought Al–6% Cu–4.05% Er Alloy

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Metadata
Title
Effect of Multidirectional Forging on the Microstructure and Mechanical Properties of the Al–Mg–Mn–Cr Alloy
Authors
A. A. Kishchik
M. S. Kishchik
A. D. Kotov
A. V. Mikhaylovskaya
Publication date
01-05-2020
Publisher
Pleiades Publishing
Published in
Physics of Metals and Metallography / Issue 5/2020
Print ISSN: 0031-918X
Electronic ISSN: 1555-6190
DOI
https://doi.org/10.1134/S0031918X20050075

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