Standard

Mechanisms of precipitation induced by large strains in the Al-Cu system. / Nasedkina, Y.; Sauvage, X.; Bobruk, E. V.; Murashkin, M. Yu; Valiev, R. Z.; Enikeev, N. A.

In: Journal of Alloys and Compounds, Vol. 710, 2017, p. 736-747.

Research output: Contribution to journalArticlepeer-review

Harvard

APA

Vancouver

Author

Nasedkina, Y. ; Sauvage, X. ; Bobruk, E. V. ; Murashkin, M. Yu ; Valiev, R. Z. ; Enikeev, N. A. / Mechanisms of precipitation induced by large strains in the Al-Cu system. In: Journal of Alloys and Compounds. 2017 ; Vol. 710. pp. 736-747.

BibTeX

@article{de9c690e35ca4062b39460a1e41fcf40,
title = "Mechanisms of precipitation induced by large strains in the Al-Cu system",
abstract = "The strain induced decomposition of super saturated solid solutions of Cu in Al has been experimentally investigated. A solutionized Al-Cu alloy has been severely deformed by high pressure torsion at room temperature at different strain levels. The resulting microstructures have been systematically characterized using transmission electron microscopy and atom probe tomography. It is established that Cu rich particles nucleate and quickly grow along boundaries during deformation, leading to a full decomposition of the solid solution. Besides, a significant and systematic Cu segregation along grain boundaries has been revealed. Based on these experimental data, the contribution of deformation induced vacancies, dislocations and boundaries were considered to account for the strain induced precipitation. It is concluded that the collection of solutes by moving boundaries might be considered as an important mechanism leading to strain induced precipitation.",
keywords = "Aluminum, Diffusion, Grain boundaries, Precipitation, Severe plastic deformation",
author = "Y. Nasedkina and X. Sauvage and Bobruk, {E. V.} and Murashkin, {M. Yu} and Valiev, {R. Z.} and Enikeev, {N. A.}",
year = "2017",
doi = "10.1016/j.jallcom.2017.03.312",
language = "English",
volume = "710",
pages = "736--747",
journal = "Journal of Alloys and Compounds",
issn = "0925-8388",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Mechanisms of precipitation induced by large strains in the Al-Cu system

AU - Nasedkina, Y.

AU - Sauvage, X.

AU - Bobruk, E. V.

AU - Murashkin, M. Yu

AU - Valiev, R. Z.

AU - Enikeev, N. A.

PY - 2017

Y1 - 2017

N2 - The strain induced decomposition of super saturated solid solutions of Cu in Al has been experimentally investigated. A solutionized Al-Cu alloy has been severely deformed by high pressure torsion at room temperature at different strain levels. The resulting microstructures have been systematically characterized using transmission electron microscopy and atom probe tomography. It is established that Cu rich particles nucleate and quickly grow along boundaries during deformation, leading to a full decomposition of the solid solution. Besides, a significant and systematic Cu segregation along grain boundaries has been revealed. Based on these experimental data, the contribution of deformation induced vacancies, dislocations and boundaries were considered to account for the strain induced precipitation. It is concluded that the collection of solutes by moving boundaries might be considered as an important mechanism leading to strain induced precipitation.

AB - The strain induced decomposition of super saturated solid solutions of Cu in Al has been experimentally investigated. A solutionized Al-Cu alloy has been severely deformed by high pressure torsion at room temperature at different strain levels. The resulting microstructures have been systematically characterized using transmission electron microscopy and atom probe tomography. It is established that Cu rich particles nucleate and quickly grow along boundaries during deformation, leading to a full decomposition of the solid solution. Besides, a significant and systematic Cu segregation along grain boundaries has been revealed. Based on these experimental data, the contribution of deformation induced vacancies, dislocations and boundaries were considered to account for the strain induced precipitation. It is concluded that the collection of solutes by moving boundaries might be considered as an important mechanism leading to strain induced precipitation.

KW - Aluminum

KW - Diffusion

KW - Grain boundaries

KW - Precipitation

KW - Severe plastic deformation

UR - http://www.scopus.com/inward/record.url?scp=85016501138&partnerID=8YFLogxK

U2 - 10.1016/j.jallcom.2017.03.312

DO - 10.1016/j.jallcom.2017.03.312

M3 - Article

AN - SCOPUS:85016501138

VL - 710

SP - 736

EP - 747

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

SN - 0925-8388

ER -

ID: 16948528