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Experimental evidence of zonal dislocations in the Ti2AlC MAX phase.

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Title: Experimental evidence of zonal dislocations in the Ti2AlC MAX phase.
Authors: Mussi, Alexandre1 (AUTHOR) alexandre.mussi@univ-lille.fr, Henzelmeier, Adrien2 (AUTHOR), Weidner, Timmo1 (AUTHOR), Novelli, Marc2,3 (AUTHOR), Wenbo, Yu4 (AUTHOR), Cuvilly, Fabien5 (AUTHOR), Grosdidier, Thierry2,3 (AUTHOR), Guitton, Antoine1,2,3 (AUTHOR) antoine.guitton@univ-lorraine.fr
Source: Materials Characterization. Jun2023, Vol. 200, pN.PAG-N.PAG. 1p.
Subjects: Deformation of surfaces, Transmission electron microscopy, Material plasticity, Ternary alloys, Deformations (Mechanics)
Abstract: The dislocation configurations of a Ti 2 AlC-MAX phase deformed under severe plastic deformation by surface mechanical attrition treatment have been analyzed by transmission electron microscopy. Results show that the microstructure of the deformed Ti 2 AlC sample is composed of numerous 〈 a 〉-dislocations, which interact with each other notably with dipolar configurations. In addition, we report here 〈 a 〉-dislocation dissociations in the basal plane with a dissociation distance of approximately 20 nm, following the reaction 1 3 2 1 ¯ 1 ¯ 0 ⇔ 1 3 1 1 ¯ 00 + 1 3 10 1 ¯ 0. Finally, evidence of zonal dislocations is reported. These original results are discussed in the context of the fundamental deformation mechanisms of nanolayered ternary alloys. [Display omitted] • TEM analyses of a severe plastically deformed Ti 2 AlC MAX phase are reported. • Dipoles and dissociations of dislocations are characterized. • Zonal dislocations are characterized for the first time in MAX phases. • Such zonal dislocations were predicted by simulation in MAX phases. [ABSTRACT FROM AUTHOR]
Copyright of Materials Characterization 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.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 163391259
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
  Group: Ti
  Data: Experimental evidence of zonal dislocations in the Ti2AlC MAX phase.
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  Data: <searchLink fieldCode="AR" term="%22Mussi%2C+Alexandre%22">Mussi, Alexandre</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> alexandre.mussi@univ-lille.fr</i><br /><searchLink fieldCode="AR" term="%22Henzelmeier%2C+Adrien%22">Henzelmeier, Adrien</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Weidner%2C+Timmo%22">Weidner, Timmo</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Novelli%2C+Marc%22">Novelli, Marc</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wenbo%2C+Yu%22">Wenbo, Yu</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cuvilly%2C+Fabien%22">Cuvilly, Fabien</searchLink><relatesTo>5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Grosdidier%2C+Thierry%22">Grosdidier, Thierry</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Guitton%2C+Antoine%22">Guitton, Antoine</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<i> antoine.guitton@univ-lorraine.fr</i>
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  Data: <searchLink fieldCode="JN" term="%22Materials+Characterization%22">Materials Characterization</searchLink>. Jun2023, Vol. 200, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Deformation+of+surfaces%22">Deformation of surfaces</searchLink><br /><searchLink fieldCode="DE" term="%22Transmission+electron+microscopy%22">Transmission electron microscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Material+plasticity%22">Material plasticity</searchLink><br /><searchLink fieldCode="DE" term="%22Ternary+alloys%22">Ternary alloys</searchLink><br /><searchLink fieldCode="DE" term="%22Deformations+%28Mechanics%29%22">Deformations (Mechanics)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The dislocation configurations of a Ti 2 AlC-MAX phase deformed under severe plastic deformation by surface mechanical attrition treatment have been analyzed by transmission electron microscopy. Results show that the microstructure of the deformed Ti 2 AlC sample is composed of numerous 〈 a 〉-dislocations, which interact with each other notably with dipolar configurations. In addition, we report here 〈 a 〉-dislocation dissociations in the basal plane with a dissociation distance of approximately 20 nm, following the reaction 1 3 2 1 ¯ 1 ¯ 0 ⇔ 1 3 1 1 ¯ 00 + 1 3 10 1 ¯ 0. Finally, evidence of zonal dislocations is reported. These original results are discussed in the context of the fundamental deformation mechanisms of nanolayered ternary alloys. [Display omitted] • TEM analyses of a severe plastically deformed Ti 2 AlC MAX phase are reported. • Dipoles and dissociations of dislocations are characterized. • Zonal dislocations are characterized for the first time in MAX phases. • Such zonal dislocations were predicted by simulation in MAX phases. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Materials Characterization 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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      – Type: doi
        Value: 10.1016/j.matchar.2023.112882
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      – Code: eng
        Text: English
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    Subjects:
      – SubjectFull: Deformation of surfaces
        Type: general
      – SubjectFull: Transmission electron microscopy
        Type: general
      – SubjectFull: Material plasticity
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      – SubjectFull: Ternary alloys
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      – SubjectFull: Deformations (Mechanics)
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      – TitleFull: Experimental evidence of zonal dislocations in the Ti2AlC MAX phase.
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            – D: 01
              M: 06
              Text: Jun2023
              Type: published
              Y: 2023
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              Value: 200
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