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Localized Induction Heating for Crack Healing of AISI 1020 Steel.

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Title: Localized Induction Heating for Crack Healing of AISI 1020 Steel.
Authors: Aprilia, Aprilia1 (AUTHOR), Ling, Zixuan1,2 (AUTHOR), Gill, Vincent3 (AUTHOR), Chia, Nicholas3,4 (AUTHOR), Jones, Martyn A.1,4 (AUTHOR), Williams, Paul E.2,4 (AUTHOR), Zhou, Wei1,2,3 (AUTHOR)
Source: Materials (1996-1944). Feb2026, Vol. 19 Issue 3, p451. 14p.
Subjects: Induction heating, Surface cracks, Steel, Fracture mechanics, Heat conduction, Current distribution, Computer simulation
Abstract: This study investigates crack healing of AISI 1020 steel using localized induction heating with a pancake coil. A wire-cut slit sample and a repetitive-bent sample containing fine cracks were subjected to induction heating. Geometrical changes in the slit and cracks before and after heating were evaluated. Healing of fine cracks and local melting of the slit tip were observed. Numerical simulations were conducted to understand the current flow, current density distribution and Joule heating behavior within the samples. Results showed that current detours around cracks and concentrates at crack tips during induction heating. This enables the ability of induction heating to selectively locate and treat cracks effectively. Localized induction heating using a pancake coil enhances the crack-healing effectiveness by providing a non-singular current flow direction within the material. It also offers the flexibility to treat a specific localized region in a component. While localized induction heating demonstrates strong potential for crack-healing applications, its effectiveness is primarily limited to fine surface cracks. [ABSTRACT FROM AUTHOR]
Copyright of Materials (1996-1944) is the property of MDPI 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: 191586678
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PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
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  Data: Localized Induction Heating for Crack Healing of AISI 1020 Steel.
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  Data: <searchLink fieldCode="AR" term="%22Aprilia%2C+Aprilia%22">Aprilia, Aprilia</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ling%2C+Zixuan%22">Ling, Zixuan</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gill%2C+Vincent%22">Gill, Vincent</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chia%2C+Nicholas%22">Chia, Nicholas</searchLink><relatesTo>3,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jones%2C+Martyn+A%2E%22">Jones, Martyn A.</searchLink><relatesTo>1,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Williams%2C+Paul+E%2E%22">Williams, Paul E.</searchLink><relatesTo>2,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhou%2C+Wei%22">Zhou, Wei</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Materials+%281996-1944%29%22">Materials (1996-1944)</searchLink>. Feb2026, Vol. 19 Issue 3, p451. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Induction+heating%22">Induction heating</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+cracks%22">Surface cracks</searchLink><br /><searchLink fieldCode="DE" term="%22Steel%22">Steel</searchLink><br /><searchLink fieldCode="DE" term="%22Fracture+mechanics%22">Fracture mechanics</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+conduction%22">Heat conduction</searchLink><br /><searchLink fieldCode="DE" term="%22Current+distribution%22">Current distribution</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+simulation%22">Computer simulation</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This study investigates crack healing of AISI 1020 steel using localized induction heating with a pancake coil. A wire-cut slit sample and a repetitive-bent sample containing fine cracks were subjected to induction heating. Geometrical changes in the slit and cracks before and after heating were evaluated. Healing of fine cracks and local melting of the slit tip were observed. Numerical simulations were conducted to understand the current flow, current density distribution and Joule heating behavior within the samples. Results showed that current detours around cracks and concentrates at crack tips during induction heating. This enables the ability of induction heating to selectively locate and treat cracks effectively. Localized induction heating using a pancake coil enhances the crack-healing effectiveness by providing a non-singular current flow direction within the material. It also offers the flexibility to treat a specific localized region in a component. While localized induction heating demonstrates strong potential for crack-healing applications, its effectiveness is primarily limited to fine surface cracks. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Materials (1996-1944) is the property of MDPI 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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        Value: 10.3390/ma19030451
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      – Code: eng
        Text: English
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        PageCount: 14
        StartPage: 451
    Subjects:
      – SubjectFull: Induction heating
        Type: general
      – SubjectFull: Surface cracks
        Type: general
      – SubjectFull: Steel
        Type: general
      – SubjectFull: Fracture mechanics
        Type: general
      – SubjectFull: Heat conduction
        Type: general
      – SubjectFull: Current distribution
        Type: general
      – SubjectFull: Computer simulation
        Type: general
    Titles:
      – TitleFull: Localized Induction Heating for Crack Healing of AISI 1020 Steel.
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          Name:
            NameFull: Aprilia, Aprilia
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            NameFull: Ling, Zixuan
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            NameFull: Gill, Vincent
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            NameFull: Jones, Martyn A.
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            NameFull: Williams, Paul E.
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            – D: 01
              M: 02
              Text: Feb2026
              Type: published
              Y: 2026
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              Value: 19961944
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              Value: 19
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              Value: 3
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            – TitleFull: Materials (1996-1944)
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