Mechanisms of hydrogen embrittlement in high-strength aluminum alloys containing coherent or incoherent dispersoids

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Mechanisms of hydrogen embrittlement in high-strength aluminum alloys containing coherent or incoherent dispersoids. / Safyari, Mahdieh; Moshtaghi, Masoud; Hojo, Tomohiko et al.
in: Corrosion science, Jahrgang 194.2022, Nr. January, 109895, 01.2022.

Publikationen: Beitrag in Fachzeitschrift › Artikel › Forschung › (peer-reviewed)

Harvard

Safyari, M, Moshtaghi, M, Hojo, T & Akiyama, E 2022, 'Mechanisms of hydrogen embrittlement in high-strength aluminum alloys containing coherent or incoherent dispersoids', Corrosion science, Jg. 194.2022, Nr. January, 109895. https://doi.org/10.1016/j.corsci.2021.109895

APA

Safyari, M., Moshtaghi, M., Hojo, T., & Akiyama, E. (2022). Mechanisms of hydrogen embrittlement in high-strength aluminum alloys containing coherent or incoherent dispersoids. Corrosion science, 194.2022(January), Artikel 109895. https://doi.org/10.1016/j.corsci.2021.109895

Vancouver

Safyari M, Moshtaghi M, Hojo T, Akiyama E. Mechanisms of hydrogen embrittlement in high-strength aluminum alloys containing coherent or incoherent dispersoids. Corrosion science. 2022 Jan;194.2022(January):109895. Epub 2021 Okt 20. doi: 10.1016/j.corsci.2021.109895

Author

Safyari, Mahdieh ; Moshtaghi, Masoud ; Hojo, Tomohiko et al. / Mechanisms of hydrogen embrittlement in high-strength aluminum alloys containing coherent or incoherent dispersoids. in: Corrosion science. 2022 ; Jahrgang 194.2022, Nr. January.

Bibtex - Download

@article{865c7c394c6949f7a5bed0b3df043215,
title = "Mechanisms of hydrogen embrittlement in high-strength aluminum alloys containing coherent or incoherent dispersoids",
abstract = "This study investigated the hydrogen embrittlement of a high strength Zr or Cr- added aluminum alloy specimens containing coherent Al3Zr or incoherent Al18Mg2Cr3 dispersoids, respectively. The elastic interaction between coherency strain and hydrogen leads to the accumulation of hydrogen at Al3Zr dispersoids and an additional peak in the thermal desorption spectra. For Al18Mg2Cr3 dispersoids, the elastic strain induced by lattice misfit decreases by the introduction of the misfit dislocations leading to hydrogen trapping by misfit dislocations. The obtained results firstly revealed that the presence of coherent Al3Zr dispersoids in the matrix results in a superior hydrogen embrittlement resistance of the alloy.",
keywords = "AlZr, Aluminum alloy, Hydrogen embrittlement, Hydrogen trapping, Interfaces",
author = "Mahdieh Safyari and Masoud Moshtaghi and Tomohiko Hojo and Eiji Akiyama",
note = "Funding Information: M. Safyari gratefully acknowledges the financial support of Kamei Corporation, Japan. Also, this work was supported by JSPS Japan KAKENHI Grant Number JP17H03406 and by the Light Metal Educational Foundation, Inc. Special thanks are given to S. Kuramoto, M. Koyama, F. Abbasi, and G. Itoh for advice and support. Publisher Copyright: {\textcopyright} 2021 Elsevier Ltd",
year = "2022",
month = jan,
doi = "10.1016/j.corsci.2021.109895",
language = "English",
volume = "194.2022",
journal = "Corrosion science",
issn = "0010-938X",
publisher = "Elsevier",
number = "January",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Mechanisms of hydrogen embrittlement in high-strength aluminum alloys containing coherent or incoherent dispersoids

AU - Safyari, Mahdieh

AU - Moshtaghi, Masoud

AU - Hojo, Tomohiko

AU - Akiyama, Eiji

N1 - Funding Information: M. Safyari gratefully acknowledges the financial support of Kamei Corporation, Japan. Also, this work was supported by JSPS Japan KAKENHI Grant Number JP17H03406 and by the Light Metal Educational Foundation, Inc. Special thanks are given to S. Kuramoto, M. Koyama, F. Abbasi, and G. Itoh for advice and support. Publisher Copyright: © 2021 Elsevier Ltd

PY - 2022/1

Y1 - 2022/1

N2 - This study investigated the hydrogen embrittlement of a high strength Zr or Cr- added aluminum alloy specimens containing coherent Al3Zr or incoherent Al18Mg2Cr3 dispersoids, respectively. The elastic interaction between coherency strain and hydrogen leads to the accumulation of hydrogen at Al3Zr dispersoids and an additional peak in the thermal desorption spectra. For Al18Mg2Cr3 dispersoids, the elastic strain induced by lattice misfit decreases by the introduction of the misfit dislocations leading to hydrogen trapping by misfit dislocations. The obtained results firstly revealed that the presence of coherent Al3Zr dispersoids in the matrix results in a superior hydrogen embrittlement resistance of the alloy.

AB - This study investigated the hydrogen embrittlement of a high strength Zr or Cr- added aluminum alloy specimens containing coherent Al3Zr or incoherent Al18Mg2Cr3 dispersoids, respectively. The elastic interaction between coherency strain and hydrogen leads to the accumulation of hydrogen at Al3Zr dispersoids and an additional peak in the thermal desorption spectra. For Al18Mg2Cr3 dispersoids, the elastic strain induced by lattice misfit decreases by the introduction of the misfit dislocations leading to hydrogen trapping by misfit dislocations. The obtained results firstly revealed that the presence of coherent Al3Zr dispersoids in the matrix results in a superior hydrogen embrittlement resistance of the alloy.

KW - AlZr

KW - Aluminum alloy

KW - Hydrogen embrittlement

KW - Hydrogen trapping

KW - Interfaces

UR - http://www.scopus.com/inward/record.url?scp=85118543947&partnerID=8YFLogxK

U2 - 10.1016/j.corsci.2021.109895

DO - 10.1016/j.corsci.2021.109895

M3 - Article

AN - SCOPUS:85118543947

VL - 194.2022

JO - Corrosion science

JF - Corrosion science

SN - 0010-938X

IS - January

M1 - 109895

ER -

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