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Mechanistic comparison between deformation-induced martensitic transformation and deformation twinning in austenitic steels.

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Title: Mechanistic comparison between deformation-induced martensitic transformation and deformation twinning in austenitic steels.
Authors: Lee, Tae-Ho1 (AUTHOR) lth@kims.re.kr, Ha, Heon-Young1 (AUTHOR), Kim, Seong Hoon1 (AUTHOR), Park, Hyung-Kwon1 (AUTHOR), Woo, Wanchuck2 (AUTHOR), Jeong, Jae-Suk3 (AUTHOR), Son, Kwang-Suk4 (AUTHOR)
Source: Materials Science & Engineering: A. Apr2026, Vol. 957, pN.PAG-N.PAG. 1p.
Subjects: Martensitic transformations, Twinning (Crystallography), Dislocation structure, Deformations (Mechanics), Austenitic steel, Material plasticity, Stress relaxation (Mechanics)
Abstract: Dislocation-mediated plasticity governing deformation-induced martensitic transformation (DIMT) and deformation twinning (DT) was investigated. We show that DIMT contributed to the strain relaxation of matrix, whereas DT to larger capacity of accommodating stress accumulation. And, their formation mechanisms could be explained by the role of dissimilar partial dislocations, Frank in DIMT and Shockley partial in DT, respectively. • The similarities and differences underlying deformation-induced martensitic transformation (DIMT) and deformation twinning (DT) were investigated. • Frank partials dominate for the formation of DIMT, whereas Shockley partials for DT. • The dissimilar types of partial dislocations are governing factors in determination of their formation mechanisms. • DIMT contributed to the strain relaxation of matrix via phase transformation. • DT contributed to larger capacity of accommodating stress accumulation due to the decrease in dislocation mean free path. [ABSTRACT FROM AUTHOR]
Copyright of Materials Science & Engineering: A 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: 192149948
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Mechanistic comparison between deformation-induced martensitic transformation and deformation twinning in austenitic steels.
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  Data: <searchLink fieldCode="AR" term="%22Lee%2C+Tae-Ho%22">Lee, Tae-Ho</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> lth@kims.re.kr</i><br /><searchLink fieldCode="AR" term="%22Ha%2C+Heon-Young%22">Ha, Heon-Young</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kim%2C+Seong+Hoon%22">Kim, Seong Hoon</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Park%2C+Hyung-Kwon%22">Park, Hyung-Kwon</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Woo%2C+Wanchuck%22">Woo, Wanchuck</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jeong%2C+Jae-Suk%22">Jeong, Jae-Suk</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Son%2C+Kwang-Suk%22">Son, Kwang-Suk</searchLink><relatesTo>4</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Materials+Science+%26+Engineering%3A+A%22">Materials Science & Engineering: A</searchLink>. Apr2026, Vol. 957, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Martensitic+transformations%22">Martensitic transformations</searchLink><br /><searchLink fieldCode="DE" term="%22Twinning+%28Crystallography%29%22">Twinning (Crystallography)</searchLink><br /><searchLink fieldCode="DE" term="%22Dislocation+structure%22">Dislocation structure</searchLink><br /><searchLink fieldCode="DE" term="%22Deformations+%28Mechanics%29%22">Deformations (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Austenitic+steel%22">Austenitic steel</searchLink><br /><searchLink fieldCode="DE" term="%22Material+plasticity%22">Material plasticity</searchLink><br /><searchLink fieldCode="DE" term="%22Stress+relaxation+%28Mechanics%29%22">Stress relaxation (Mechanics)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Dislocation-mediated plasticity governing deformation-induced martensitic transformation (DIMT) and deformation twinning (DT) was investigated. We show that DIMT contributed to the strain relaxation of matrix, whereas DT to larger capacity of accommodating stress accumulation. And, their formation mechanisms could be explained by the role of dissimilar partial dislocations, Frank in DIMT and Shockley partial in DT, respectively. • The similarities and differences underlying deformation-induced martensitic transformation (DIMT) and deformation twinning (DT) were investigated. • Frank partials dominate for the formation of DIMT, whereas Shockley partials for DT. • The dissimilar types of partial dislocations are governing factors in determination of their formation mechanisms. • DIMT contributed to the strain relaxation of matrix via phase transformation. • DT contributed to larger capacity of accommodating stress accumulation due to the decrease in dislocation mean free path. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Materials Science & Engineering: A 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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      – Type: doi
        Value: 10.1016/j.msea.2026.149939
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Martensitic transformations
        Type: general
      – SubjectFull: Twinning (Crystallography)
        Type: general
      – SubjectFull: Dislocation structure
        Type: general
      – SubjectFull: Deformations (Mechanics)
        Type: general
      – SubjectFull: Austenitic steel
        Type: general
      – SubjectFull: Material plasticity
        Type: general
      – SubjectFull: Stress relaxation (Mechanics)
        Type: general
    Titles:
      – TitleFull: Mechanistic comparison between deformation-induced martensitic transformation and deformation twinning in austenitic steels.
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            NameFull: Lee, Tae-Ho
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            NameFull: Ha, Heon-Young
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            NameFull: Kim, Seong Hoon
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            NameFull: Park, Hyung-Kwon
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            NameFull: Woo, Wanchuck
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            NameFull: Jeong, Jae-Suk
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            – D: 01
              M: 04
              Text: Apr2026
              Type: published
              Y: 2026
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              Value: 09215093
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              Value: 957
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            – TitleFull: Materials Science & Engineering: A
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