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Peculiarities of nanostructured state formation in heat-treatable Al–Mg alloys

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Abstract

The effect of long-time homogenization and aging on the formation of disperse β′ phase particles and β phase particles has been analyzed. Alloys solidified with the cooling rate of ∼10− 1 °C/s (Al–10%Mg and Al–10%Mg–0.1%Sc) and alloys melted by centrifugal casting with the cooling rate of ∼ 103 °C/s (Al–10%Mg) were chosen for comparative analysis. А significant heterogeneity of the distribution of the strengthening β′-phase after aging is observed in Al–10%Mg alloys obtained by the ingot technology. The greatest hardening up to 100% is achieved after using the centrifugal casting due to the formation of the β′-phase during aging.

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Abbreviations

SEM:

Scanning electron microscopy

TEM:

Transmission electron microscopy

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Acknowledgements

This work was carried out within the frame of budget project 055/16 of the G.V. Kurdyumov IMP of the N.A.S. of Ukraine.

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Authors and Affiliations

  1. G.V. Kurdyumov Institute for Metal Physics of National Academy of Sciences of Ukraine, 36, Academician Vernadsky Blvd., Kyiv-142, 03680, Ukraine

    Tetiana O. Monastyrska, Alla L. Berezina, Oleh A. Molebny & Mykola A. Skoryk

  2. Physico-Technical Institute of Metals and Alloys of National Academy of Sciences of Ukraine, 34/1, Academician Vernadsky Blvd., Kyiv-142, 03680, Ukraine

    Svitlana L. Polyvoda

  3. Frantsevich Institute for Problems in Materials Science of National Academy of Sciences of Ukraine, 3, Krzhizhanovskii Str., Kyiv-142, 03680, Ukraine

    Andrii V. Kotko

Authors
  1. Tetiana O. Monastyrska
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  2. Alla L. Berezina
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  3. Oleh A. Molebny
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  4. Svitlana L. Polyvoda
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  5. Andrii V. Kotko
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  6. Mykola A. Skoryk
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Correspondence to Tetiana O. Monastyrska.

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Monastyrska, T.O., Berezina, A.L., Molebny, O.A. et al. Peculiarities of nanostructured state formation in heat-treatable Al–Mg alloys. Appl Nanosci 10, 2731–2737 (2020). https://doi.org/10.1007/s13204-019-00989-4

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  • DOI: https://doi.org/10.1007/s13204-019-00989-4

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