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Effect of Alternating Magnetic Field on the Fatigue Behaviour of EN8 Steel and 2014-T6 Aluminium Alloy

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Effect of Alternating Magnetic Field on the Fatigue Behaviour of EN8 Steel and 2014-T6 Aluminium Alloy. / Akram, Sufyan; Babutskyi, Anatolii; Chrysanthou, Andreas; Montalvao, Diogo; Pizurova, Nadezda.

In: Metals, Vol. 9, No. 9, 984, 04.09.2019, p. 1-13.

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Akram, Sufyan ; Babutskyi, Anatolii ; Chrysanthou, Andreas ; Montalvao, Diogo ; Pizurova, Nadezda. / Effect of Alternating Magnetic Field on the Fatigue Behaviour of EN8 Steel and 2014-T6 Aluminium Alloy. In: Metals. 2019 ; Vol. 9, No. 9. pp. 1-13.

Bibtex

@article{3cbbb97adcc94a379293f418694ce7d9,
title = "Effect of Alternating Magnetic Field on the Fatigue Behaviour of EN8 Steel and 2014-T6 Aluminium Alloy",
abstract = "The application of an alternating magnetic field (0.54 T) was observed to lead to an improvement in the fatigue endurance and an increase in Vickers microhardness and tensile strength of both EN8 steel and AA2014-T6 alloy. Fractography using scanning electron microscopy showed evidence of more ductile fracture features after treatment in contrast to untreated samples. The results of X-ray diffraction indicated formation of more compressive residual stresses following treatment; while examination by transmission electron microscopy showed evidence of fewer dislocations. In the case of the AA2014-T6 alloy; Guinier-Preston (GP) zones were also generated by the alternating magnetic field. However; the temperature increase during the treatment was too low to explain these observations. The results were attributed to the non-thermal effect of the alternating magnetic field treatment that led to depinning and movement of dislocations and secondary precipitation of copper.",
keywords = "Aluminium, Dislocations, Magnetic field treatment, Precipitation hardening, Steel",
author = "Sufyan Akram and Anatolii Babutskyi and Andreas Chrysanthou and Diogo Montalvao and Nadezda Pizurova",
note = "{\textcopyright} 2019 by the authors. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).",
year = "2019",
month = sep,
day = "4",
doi = "10.3390/met9090984",
language = "English",
volume = "9",
pages = "1--13",
journal = "Metals",
number = "9",

}

RIS

TY - JOUR

T1 - Effect of Alternating Magnetic Field on the Fatigue Behaviour of EN8 Steel and 2014-T6 Aluminium Alloy

AU - Akram, Sufyan

AU - Babutskyi, Anatolii

AU - Chrysanthou, Andreas

AU - Montalvao, Diogo

AU - Pizurova, Nadezda

N1 - © 2019 by the authors. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

PY - 2019/9/4

Y1 - 2019/9/4

N2 - The application of an alternating magnetic field (0.54 T) was observed to lead to an improvement in the fatigue endurance and an increase in Vickers microhardness and tensile strength of both EN8 steel and AA2014-T6 alloy. Fractography using scanning electron microscopy showed evidence of more ductile fracture features after treatment in contrast to untreated samples. The results of X-ray diffraction indicated formation of more compressive residual stresses following treatment; while examination by transmission electron microscopy showed evidence of fewer dislocations. In the case of the AA2014-T6 alloy; Guinier-Preston (GP) zones were also generated by the alternating magnetic field. However; the temperature increase during the treatment was too low to explain these observations. The results were attributed to the non-thermal effect of the alternating magnetic field treatment that led to depinning and movement of dislocations and secondary precipitation of copper.

AB - The application of an alternating magnetic field (0.54 T) was observed to lead to an improvement in the fatigue endurance and an increase in Vickers microhardness and tensile strength of both EN8 steel and AA2014-T6 alloy. Fractography using scanning electron microscopy showed evidence of more ductile fracture features after treatment in contrast to untreated samples. The results of X-ray diffraction indicated formation of more compressive residual stresses following treatment; while examination by transmission electron microscopy showed evidence of fewer dislocations. In the case of the AA2014-T6 alloy; Guinier-Preston (GP) zones were also generated by the alternating magnetic field. However; the temperature increase during the treatment was too low to explain these observations. The results were attributed to the non-thermal effect of the alternating magnetic field treatment that led to depinning and movement of dislocations and secondary precipitation of copper.

KW - Aluminium

KW - Dislocations

KW - Magnetic field treatment

KW - Precipitation hardening

KW - Steel

UR - http://www.scopus.com/inward/record.url?scp=85073290171&partnerID=8YFLogxK

U2 - 10.3390/met9090984

DO - 10.3390/met9090984

M3 - Article

VL - 9

SP - 1

EP - 13

JO - Metals

JF - Metals

IS - 9

M1 - 984

ER -