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Published in: Physics of Metals and Metallography 5/2023

01-05-2023 | STRENGTH AND PLASTICITY

The Effect of Termomechanical Treatment on the Low-Cyclic Fatigue Behavior in an Al–Cu–Mg–Ag Alloy

Authors: M. R. Gazizov, M. Yu. Gazizova, I. S. Zuiko, R. O. Kaibyshev

Published in: Physics of Metals and Metallography | Issue 5/2023

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Abstract

The mechanical behavior under monotonic and cyclic loadings has been studied in an Al–4.5Cu–0.56Mg–0.77Ag–0.42Mn–0.12Ti–0.05V–0.02Fe (wt %) alloy subjected to thermomechanical treatment (TMT), including a solution heat treatment, quenching in water, uniaxial tension with a plastic strain of 3%, and peak aging at 190°C (state T83 according to the classification of the Aluminum Association). The T83‑ed alloy demonstrates the lowest tensile strength properties in comparison with T6 state (traditional aging) and TMT, including rolling with a 40%-reduction (T840). Compared to T6 and T840 states, the lowest cyclic strength and cyclic strain hardening coefficients in the Ramberg-Osgood relationship was found to be in T83-ed alloy. To achieve long fatigue life, it is advisable to reduce to the minimum values the degree of intermediate plastic deformation required for straightening Al–Cu–Mg–Ag sheets after their buckling during high-temperature heating for quenching.

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Literature
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go back to reference M. Gazizov, I. Zuiko, and R. Kaibyshev, “Effect of cold plastic deformation prior to ageing on creep resistance of an Al–Cu–Mg–Ag Alloy,” Mater. Sci. Forum 794– 796, 278–283 (2014). https://doi.org/10.4028/www.scientific.net/msf.794-796.278 M. Gazizov, I. Zuiko, and R. Kaibyshev, “Effect of cold plastic deformation prior to ageing on creep resistance of an Al–Cu–Mg–Ag Alloy,” Mater. Sci. Forum 794796, 278–283 (2014). https://doi.org/10.4028/www.scientific.net/msf.794-796.278
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Metadata
Title
The Effect of Termomechanical Treatment on the Low-Cyclic Fatigue Behavior in an Al–Cu–Mg–Ag Alloy
Authors
M. R. Gazizov
M. Yu. Gazizova
I. S. Zuiko
R. O. Kaibyshev
Publication date
01-05-2023
Publisher
Pleiades Publishing
Published in
Physics of Metals and Metallography / Issue 5/2023
Print ISSN: 0031-918X
Electronic ISSN: 1555-6190
DOI
https://doi.org/10.1134/S0031918X23600446

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