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On the origin of the extremely high strength of ultrafine-grained Al alloys produced by severe plastic deformation. / Valiev, R. Z.; Enikeev, N. A.; Murashkin, M. Yu; Kazykhanov, V. U.; Sauvage, X.

In: Scripta Materialia, Vol. 63, No. 9, 11.2010, p. 949-952.

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@article{8a00169b5c8f43e3a6d53593273c96c6,
title = "On the origin of the extremely high strength of ultrafine-grained Al alloys produced by severe plastic deformation",
abstract = "Ultrafine-grained Al alloys produced by high-pressure torsion are found to exhibit a very high strength, considerably exceeding the Hall-Petch predictions for ultrafine grains. This phenomenon can be attributed to the unique combination of ultrafine structure and deformation-induced segregations of solute elements along grain boundaries, which may affect the emission and mobility of intragranular dislocations.",
keywords = "Al alloys, Hall-Petch relationship, Segregation, Ultrafine-grained materials",
author = "Valiev, {R. Z.} and Enikeev, {N. A.} and Murashkin, {M. Yu} and Kazykhanov, {V. U.} and X. Sauvage",
year = "2010",
month = nov,
doi = "10.1016/j.scriptamat.2010.07.014",
language = "English",
volume = "63",
pages = "949--952",
journal = "Scripta Materialia",
issn = "1359-6462",
publisher = "Elsevier",
number = "9",

}

RIS

TY - JOUR

T1 - On the origin of the extremely high strength of ultrafine-grained Al alloys produced by severe plastic deformation

AU - Valiev, R. Z.

AU - Enikeev, N. A.

AU - Murashkin, M. Yu

AU - Kazykhanov, V. U.

AU - Sauvage, X.

PY - 2010/11

Y1 - 2010/11

N2 - Ultrafine-grained Al alloys produced by high-pressure torsion are found to exhibit a very high strength, considerably exceeding the Hall-Petch predictions for ultrafine grains. This phenomenon can be attributed to the unique combination of ultrafine structure and deformation-induced segregations of solute elements along grain boundaries, which may affect the emission and mobility of intragranular dislocations.

AB - Ultrafine-grained Al alloys produced by high-pressure torsion are found to exhibit a very high strength, considerably exceeding the Hall-Petch predictions for ultrafine grains. This phenomenon can be attributed to the unique combination of ultrafine structure and deformation-induced segregations of solute elements along grain boundaries, which may affect the emission and mobility of intragranular dislocations.

KW - Al alloys

KW - Hall-Petch relationship

KW - Segregation

KW - Ultrafine-grained materials

UR - http://www.scopus.com/inward/record.url?scp=77955981163&partnerID=8YFLogxK

U2 - 10.1016/j.scriptamat.2010.07.014

DO - 10.1016/j.scriptamat.2010.07.014

M3 - Article

AN - SCOPUS:77955981163

VL - 63

SP - 949

EP - 952

JO - Scripta Materialia

JF - Scripta Materialia

SN - 1359-6462

IS - 9

ER -

ID: 16949830