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In situ observation of the phase transformations in Al-Cu-Li-Ag alloy and its laser weld. / Vitoshkin, Igor; Malikov, Alexandr; Shmakov, Alexandr et al.

In: Materials Characterization, Vol. 230, No. Part A, 115695, 12.2025.

Research output: Contribution to journal › Article › peer-review

Harvard

Vitoshkin, I, Malikov, A, Shmakov, A, Mironova, M, Gutakovskii, A & Batsanov, S 2025, 'In situ observation of the phase transformations in Al-Cu-Li-Ag alloy and its laser weld', Materials Characterization, vol. 230, no. Part A, 115695. https://doi.org/10.1016/j.matchar.2025.115695

APA

Vitoshkin, I., Malikov, A., Shmakov, A., Mironova, M., Gutakovskii, A., & Batsanov, S. (2025). In situ observation of the phase transformations in Al-Cu-Li-Ag alloy and its laser weld. Materials Characterization, 230(Part A), [115695]. https://doi.org/10.1016/j.matchar.2025.115695

Vancouver

Vitoshkin I, Malikov A, Shmakov A, Mironova M, Gutakovskii A, Batsanov S. In situ observation of the phase transformations in Al-Cu-Li-Ag alloy and its laser weld. Materials Characterization. 2025 Dec;230(Part A):115695. doi: 10.1016/j.matchar.2025.115695

Author

Vitoshkin, Igor ; Malikov, Alexandr ; Shmakov, Alexandr et al. / In situ observation of the phase transformations in Al-Cu-Li-Ag alloy and its laser weld. In: Materials Characterization. 2025 ; Vol. 230, No. Part A.

BibTeX

@article{fbea917c925645a998f571eb06dad636,
title = "In situ observation of the phase transformations in Al-Cu-Li-Ag alloy and its laser weld",
abstract = "This paper presents the results of in situ investigation of Al-Cu-Li-Ag alloy (V-1469) in initial state and after laser welding. The study was performed via synchrotron X-ray diffraction accompanied by transmission electron microscopy and differential scanning calorimetry. The behavior of main strengthening phases T1 (Al2CuLi) and Ω (Al2Cu) were in focus. It was found that they act differently in the initial alloy and in the weld material. The T1 phase was more thermally stable in the initial alloy and decomposed at much higher temperature than in the weld material. The Ω phase doesn't decompose completely in the initial alloy up to ∼600 °C due to, presumably, its stabilization after the T1 decomposition. In case of the weld material this phase isn't present initially but forms after heating and consequent cooling.",
keywords = "Aluminum‑lithium alloys, Differential scanning calorimetry, Laser welding, Synchrotron radiation, Transmission electron microscopy, X-ray diffractometry",
author = "Igor Vitoshkin and Alexandr Malikov and Alexandr Shmakov and Maria Mironova and Anton Gutakovskii and Stepan Batsanov",
note = "This research was funded by Russian Science Foundation, grant number 23–79-00037 (https://rscf.ru/project/23-79-00037/",
year = "2025",
month = dec,
doi = "10.1016/j.matchar.2025.115695",
language = "English",
volume = "230",
journal = "Materials Characterization",
issn = "1044-5803",
publisher = "Elsevier Science Publishing Company, Inc.",
number = "Part A",

}

RIS

TY - JOUR

T1 - In situ observation of the phase transformations in Al-Cu-Li-Ag alloy and its laser weld

AU - Vitoshkin, Igor

AU - Malikov, Alexandr

AU - Shmakov, Alexandr

AU - Mironova, Maria

AU - Gutakovskii, Anton

AU - Batsanov, Stepan

N1 - This research was funded by Russian Science Foundation, grant number 23–79-00037 (https://rscf.ru/project/23-79-00037/

PY - 2025/12

Y1 - 2025/12

N2 - This paper presents the results of in situ investigation of Al-Cu-Li-Ag alloy (V-1469) in initial state and after laser welding. The study was performed via synchrotron X-ray diffraction accompanied by transmission electron microscopy and differential scanning calorimetry. The behavior of main strengthening phases T1 (Al2CuLi) and Ω (Al2Cu) were in focus. It was found that they act differently in the initial alloy and in the weld material. The T1 phase was more thermally stable in the initial alloy and decomposed at much higher temperature than in the weld material. The Ω phase doesn't decompose completely in the initial alloy up to ∼600 °C due to, presumably, its stabilization after the T1 decomposition. In case of the weld material this phase isn't present initially but forms after heating and consequent cooling.

AB - This paper presents the results of in situ investigation of Al-Cu-Li-Ag alloy (V-1469) in initial state and after laser welding. The study was performed via synchrotron X-ray diffraction accompanied by transmission electron microscopy and differential scanning calorimetry. The behavior of main strengthening phases T1 (Al2CuLi) and Ω (Al2Cu) were in focus. It was found that they act differently in the initial alloy and in the weld material. The T1 phase was more thermally stable in the initial alloy and decomposed at much higher temperature than in the weld material. The Ω phase doesn't decompose completely in the initial alloy up to ∼600 °C due to, presumably, its stabilization after the T1 decomposition. In case of the weld material this phase isn't present initially but forms after heating and consequent cooling.

KW - Aluminum‑lithium alloys

KW - Differential scanning calorimetry

KW - Laser welding

KW - Synchrotron radiation

KW - Transmission electron microscopy

KW - X-ray diffractometry

UR - https://www.scopus.com/pages/publications/105019338365

UR - https://www.mendeley.com/catalogue/86f95016-cd5e-3786-8157-0be8e57a1076/

U2 - 10.1016/j.matchar.2025.115695

DO - 10.1016/j.matchar.2025.115695

M3 - Article

VL - 230

JO - Materials Characterization

JF - Materials Characterization

SN - 1044-5803

IS - Part A

M1 - 115695

ER -

ID: 71372235