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Surface Damage Regeneration in Railway Wheels.

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Title: Surface Damage Regeneration in Railway Wheels.
Authors: Labisz, Krzysztof1 (AUTHOR) krzysztof.labisz@polsl.pl, Wilga, Piotr1,2 (AUTHOR), Konieczny, Jarosław1,3 (AUTHOR), Włodarczyk-Fligier, Anna1,2 (AUTHOR), Polok-Rubiniec, Magdalena2 (AUTHOR), Atapek, Şaban Hakan3 (AUTHOR), Ćwiek, Janusz1 (AUTHOR), Winter, Mateusz1 (AUTHOR)
Source: Materials (1996-1944). Jul2026, Vol. 19 Issue 13, p2930. 17p.
Subjects: Metal cladding, Wear resistance, Mechanical behavior of materials, Plasma arcs, Railroad trains, Surface interactions, Surface preparation
Abstract: This study examines the applicability of Plasma Transferred Arc (PTA) surface treatment as an advanced technique for the refurbishment of railway wheel treads. Conventional wheel reprofiling, typically performed on semi-automatic lathes, requires the removal of a minimum of 6 mm of material from the running surface, which accelerates rim thinning and ultimately necessitates wheel replacement. Moreover, the reprofiled surfaces are not subjected to any subsequent treatment aimed at enhancing their durability. To overcome these limitations, PTA cladding was selected due to its ability to generate surface layers with superior mechanical and tribological properties. In contrast to widely used diode laser technologies, PTA enables the deposition of alloying materials in powder form, ensuring a stable, controllable, and efficient cladding process. The resulting microstructure consists of a heat-affected zone, a transition zone, and a re-melted zone, each exhibiting significantly increased hardness relative to the untreated base material. The process facilitates the incorporation of metallic particles into the surface layer, promoting the formation of a dense, wear-resistant coating. These materials possess huge potential utility regarding the wear resistance reaching even ca 10% of the base material wear in the case of 505 PTA and over 20% in the case of the 15 E material. The findings indicate that PTA surface treatment has substantial potential to extend the operational lifespan of railway wheels by providing a highly durable and mechanically robust surface, thereby reducing maintenance frequency and the associated costs. [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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Header DbId: egs
DbLabel: Engineering Source
An: 195440855
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Surface Damage Regeneration in Railway Wheels.
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  Data: <searchLink fieldCode="JN" term="%22Materials+%281996-1944%29%22">Materials (1996-1944)</searchLink>. Jul2026, Vol. 19 Issue 13, p2930. 17p.
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  Data: <searchLink fieldCode="DE" term="%22Metal+cladding%22">Metal cladding</searchLink><br /><searchLink fieldCode="DE" term="%22Wear+resistance%22">Wear resistance</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+behavior+of+materials%22">Mechanical behavior of materials</searchLink><br /><searchLink fieldCode="DE" term="%22Plasma+arcs%22">Plasma arcs</searchLink><br /><searchLink fieldCode="DE" term="%22Railroad+trains%22">Railroad trains</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+interactions%22">Surface interactions</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+preparation%22">Surface preparation</searchLink>
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  Data: This study examines the applicability of Plasma Transferred Arc (PTA) surface treatment as an advanced technique for the refurbishment of railway wheel treads. Conventional wheel reprofiling, typically performed on semi-automatic lathes, requires the removal of a minimum of 6 mm of material from the running surface, which accelerates rim thinning and ultimately necessitates wheel replacement. Moreover, the reprofiled surfaces are not subjected to any subsequent treatment aimed at enhancing their durability. To overcome these limitations, PTA cladding was selected due to its ability to generate surface layers with superior mechanical and tribological properties. In contrast to widely used diode laser technologies, PTA enables the deposition of alloying materials in powder form, ensuring a stable, controllable, and efficient cladding process. The resulting microstructure consists of a heat-affected zone, a transition zone, and a re-melted zone, each exhibiting significantly increased hardness relative to the untreated base material. The process facilitates the incorporation of metallic particles into the surface layer, promoting the formation of a dense, wear-resistant coating. These materials possess huge potential utility regarding the wear resistance reaching even ca 10% of the base material wear in the case of 505 PTA and over 20% in the case of the 15 E material. The findings indicate that PTA surface treatment has substantial potential to extend the operational lifespan of railway wheels by providing a highly durable and mechanically robust surface, thereby reducing maintenance frequency and the associated costs. [ABSTRACT FROM AUTHOR]
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  Label:
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  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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      – Type: doi
        Value: 10.3390/ma19132930
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      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 17
        StartPage: 2930
    Subjects:
      – SubjectFull: Metal cladding
        Type: general
      – SubjectFull: Wear resistance
        Type: general
      – SubjectFull: Mechanical behavior of materials
        Type: general
      – SubjectFull: Plasma arcs
        Type: general
      – SubjectFull: Railroad trains
        Type: general
      – SubjectFull: Surface interactions
        Type: general
      – SubjectFull: Surface preparation
        Type: general
    Titles:
      – TitleFull: Surface Damage Regeneration in Railway Wheels.
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          Name:
            NameFull: Labisz, Krzysztof
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            NameFull: Wilga, Piotr
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            NameFull: Włodarczyk-Fligier, Anna
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            NameFull: Polok-Rubiniec, Magdalena
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            NameFull: Atapek, Şaban Hakan
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            NameFull: Ćwiek, Janusz
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            NameFull: Winter, Mateusz
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            – D: 01
              M: 07
              Text: Jul2026
              Type: published
              Y: 2026
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              Value: 19
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