Precipitation behaviour in AlMgZnCuAg crossover alloy with coarse and ultrafine grains

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Precipitation behaviour in AlMgZnCuAg crossover alloy with coarse and ultrafine grains. / Willenshofer, Patrick; Tunes, Matheus Araujo; Kainz, Christina et al.
in: Materials Research Letters, Jahrgang 11.2023, Nr. 12, 15.11.2023, S. 1063-1072.

Publikationen: Beitrag in FachzeitschriftArtikelForschung(peer-reviewed)

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@article{6d9e454cc09040fea43cab8f033a8d69,
title = "Precipitation behaviour in AlMgZnCuAg crossover alloy with coarse and ultrafine grains",
abstract = "Crossover aluminium alloys have recently been introduced as a new class of coarse-grained age-hardenable alloys. Here, we study the evolution of precipitation of the T-phase — Mg32(Zn,Al)49-phase — in a 5xxx/7xxx crossover alloy with coarse- and ultrafined microstructures. Both alloys were examined using differential scanning calorimetry, X-ray diffraction and in situ transmission electron microscopy. The ultrafine-grained alloy revealed significant different and accelerated precipitation behaviour due to grain boundaries acting as fast diffusion paths. Additionally, the ultrafine-grained alloy revealed high resistance to grain growth upon heating, an effect primarily attributed to inter-granular precipitation synergistically with trans-granular precipitation of T-phase.",
author = "Patrick Willenshofer and Tunes, {Matheus Araujo} and Christina Kainz and Oliver Renk and Thomas Kremmer and Stefan Gneiger and Peter Uggowitzer and Stefan Pogatscher",
year = "2023",
month = nov,
day = "15",
doi = "10.1080/21663831.2023.2281589",
language = "English",
volume = "11.2023",
pages = "1063--1072",
journal = "Materials Research Letters",
issn = "2166-3831",
number = "12",

}

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TY - JOUR

T1 - Precipitation behaviour in AlMgZnCuAg crossover alloy with coarse and ultrafine grains

AU - Willenshofer, Patrick

AU - Tunes, Matheus Araujo

AU - Kainz, Christina

AU - Renk, Oliver

AU - Kremmer, Thomas

AU - Gneiger, Stefan

AU - Uggowitzer, Peter

AU - Pogatscher, Stefan

PY - 2023/11/15

Y1 - 2023/11/15

N2 - Crossover aluminium alloys have recently been introduced as a new class of coarse-grained age-hardenable alloys. Here, we study the evolution of precipitation of the T-phase — Mg32(Zn,Al)49-phase — in a 5xxx/7xxx crossover alloy with coarse- and ultrafined microstructures. Both alloys were examined using differential scanning calorimetry, X-ray diffraction and in situ transmission electron microscopy. The ultrafine-grained alloy revealed significant different and accelerated precipitation behaviour due to grain boundaries acting as fast diffusion paths. Additionally, the ultrafine-grained alloy revealed high resistance to grain growth upon heating, an effect primarily attributed to inter-granular precipitation synergistically with trans-granular precipitation of T-phase.

AB - Crossover aluminium alloys have recently been introduced as a new class of coarse-grained age-hardenable alloys. Here, we study the evolution of precipitation of the T-phase — Mg32(Zn,Al)49-phase — in a 5xxx/7xxx crossover alloy with coarse- and ultrafined microstructures. Both alloys were examined using differential scanning calorimetry, X-ray diffraction and in situ transmission electron microscopy. The ultrafine-grained alloy revealed significant different and accelerated precipitation behaviour due to grain boundaries acting as fast diffusion paths. Additionally, the ultrafine-grained alloy revealed high resistance to grain growth upon heating, an effect primarily attributed to inter-granular precipitation synergistically with trans-granular precipitation of T-phase.

U2 - 10.1080/21663831.2023.2281589

DO - 10.1080/21663831.2023.2281589

M3 - Article

VL - 11.2023

SP - 1063

EP - 1072

JO - Materials Research Letters

JF - Materials Research Letters

SN - 2166-3831

IS - 12

ER -