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Effect of nitrogen content on structural and mechanical properties of AlTiZrTaHf(-N) high entropy films deposited by reactive magnetron sputtering.

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Title: Effect of nitrogen content on structural and mechanical properties of AlTiZrTaHf(-N) high entropy films deposited by reactive magnetron sputtering.
Authors: El Garah, Mohamed1,2 (AUTHOR) mohamed.el_garah@utt.fr, Touaibia, Djallel Eddine1,2 (AUTHOR), Achache, Sofiane1,2 (AUTHOR), Michau, Alexandre3 (AUTHOR), Sviridova, Elizaveta1 (AUTHOR), Postnikov, Pavel S.4 (AUTHOR), Chehimi, Mohamed M.5 (AUTHOR), Schuster, Frederic3 (AUTHOR), Sanchette, Frederic1,2 (AUTHOR)
Source: Surface & Coatings Technology. Feb2022, Vol. 432, pN.PAG-N.PAG. 1p.
Subjects: Reactive sputtering, Entropy, Young's modulus, Magnetron sputtering, Surface analysis, Nitrogen, Reactive extrusion, Silicon nitride
Abstract: There is a growing interest in the design of high entropy alloys due to their remarkable properties and applications in various fields such as aerospace, medical and automotive. AlTiTaZrHf(-N) high entropy metal-sublattice nitrides were deposited in various argon‑nitrogen gas mixtures on glass and silicon substrates. X-ray diffraction analyses reveal a transition from amorphous to an FCC single phase by increasing the nitrogen content. The films have compact or columnar morphology depending on the nitrogen flow rate. Energy dispersive spectroscopy analysis shows a decreasing of the matals content as the nitrogen flow rates ratio R N2 = N 2 /Ar + N 2 increases. XPS surface analysis reveal the formation of nitrides when the nitrogen is introduced. Evolution of hardness and Young's modulus are discussed and the maximum values are obtained for a flow rates ratio R N2 of 10% at 27.67 GPa and 205.56 GPa respectively. The same film reveals good tribological properties compared to other films. This work conclusively demonstrates that high entropy metal-sublattice nitrides can be generated in an efficient way with tunable properties. • Multicomponent AlTiTaZrHf(-N) deposited by reactive magnetron sputtering • Effect of nitrogen content on microstructure, mechanical properties and tribological performance studied • H and E are monitored by controlling the stoichiometric of N/Me. [ABSTRACT FROM AUTHOR]
Copyright of Surface & Coatings Technology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 154856890
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  Label: Title
  Group: Ti
  Data: Effect of nitrogen content on structural and mechanical properties of AlTiZrTaHf(-N) high entropy films deposited by reactive magnetron sputtering.
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  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22El+Garah%2C+Mohamed%22">El Garah, Mohamed</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> mohamed.el_garah@utt.fr</i><br /><searchLink fieldCode="AR" term="%22Touaibia%2C+Djallel+Eddine%22">Touaibia, Djallel Eddine</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Achache%2C+Sofiane%22">Achache, Sofiane</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Michau%2C+Alexandre%22">Michau, Alexandre</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sviridova%2C+Elizaveta%22">Sviridova, Elizaveta</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Postnikov%2C+Pavel+S%2E%22">Postnikov, Pavel S.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chehimi%2C+Mohamed+M%2E%22">Chehimi, Mohamed M.</searchLink><relatesTo>5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Schuster%2C+Frederic%22">Schuster, Frederic</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sanchette%2C+Frederic%22">Sanchette, Frederic</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Surface+%26+Coatings+Technology%22">Surface & Coatings Technology</searchLink>. Feb2022, Vol. 432, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Reactive+sputtering%22">Reactive sputtering</searchLink><br /><searchLink fieldCode="DE" term="%22Entropy%22">Entropy</searchLink><br /><searchLink fieldCode="DE" term="%22Young's+modulus%22">Young's modulus</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetron+sputtering%22">Magnetron sputtering</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+analysis%22">Surface analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Nitrogen%22">Nitrogen</searchLink><br /><searchLink fieldCode="DE" term="%22Reactive+extrusion%22">Reactive extrusion</searchLink><br /><searchLink fieldCode="DE" term="%22Silicon+nitride%22">Silicon nitride</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: There is a growing interest in the design of high entropy alloys due to their remarkable properties and applications in various fields such as aerospace, medical and automotive. AlTiTaZrHf(-N) high entropy metal-sublattice nitrides were deposited in various argon‑nitrogen gas mixtures on glass and silicon substrates. X-ray diffraction analyses reveal a transition from amorphous to an FCC single phase by increasing the nitrogen content. The films have compact or columnar morphology depending on the nitrogen flow rate. Energy dispersive spectroscopy analysis shows a decreasing of the matals content as the nitrogen flow rates ratio R N2 = N 2 /Ar + N 2 increases. XPS surface analysis reveal the formation of nitrides when the nitrogen is introduced. Evolution of hardness and Young's modulus are discussed and the maximum values are obtained for a flow rates ratio R N2 of 10% at 27.67 GPa and 205.56 GPa respectively. The same film reveals good tribological properties compared to other films. This work conclusively demonstrates that high entropy metal-sublattice nitrides can be generated in an efficient way with tunable properties. • Multicomponent AlTiTaZrHf(-N) deposited by reactive magnetron sputtering • Effect of nitrogen content on microstructure, mechanical properties and tribological performance studied • H and E are monitored by controlling the stoichiometric of N/Me. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Surface & Coatings Technology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1016/j.surfcoat.2021.128051
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Reactive sputtering
        Type: general
      – SubjectFull: Entropy
        Type: general
      – SubjectFull: Young's modulus
        Type: general
      – SubjectFull: Magnetron sputtering
        Type: general
      – SubjectFull: Surface analysis
        Type: general
      – SubjectFull: Nitrogen
        Type: general
      – SubjectFull: Reactive extrusion
        Type: general
      – SubjectFull: Silicon nitride
        Type: general
    Titles:
      – TitleFull: Effect of nitrogen content on structural and mechanical properties of AlTiZrTaHf(-N) high entropy films deposited by reactive magnetron sputtering.
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              Text: Feb2022
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              Y: 2022
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