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Surface condition, microstructure and microhardness of boronized layers produced on Vanadis-6 steel after modification by diode laser


[ 1 ] Instytut Inżynierii Materiałowej, Wydział Budowy Maszyn i Zarządzania, Politechnika Poznańska | [ 2 ] Instytut Technologii Materiałów, Wydział Budowy Maszyn i Zarządzania, Politechnika Poznańska | [ 3 ] Instytut Technologii Mechanicznej, Wydział Budowy Maszyn i Zarządzania, Politechnika Poznańska | [ P ] employee

Scientific discipline (Law 2.0)

[2.7] Materials engineering
[2.8] Mechanical engineering

Year of publication


Published in

Archives of Mechanical Technology and Materials

Journal year: 2017 | Journal volume: vol. 37

Article type

scientific article

Publication language


  • boronized layer
  • laser remelting
  • microstructure
  • microhardness

EN The paper presents the study results of surface condition, microstructure and microhardness of Vanadis-6 tool steel after diffusion boriding and laser modification by diode laser. As a result of diffusion boriding the layers consisted of two phases: FeB and Fe 2B. A bright area under the continuous boronized layers was visible. This zone was probably rich in boron. As a result of laser surface modification of boronized layers, the microstructure composed of three zones: remelted zone, heat affected zone and the substrate was obtained. The microstructure of remelted zone consisted of boron-martensite eutectic. The depth of laser track (total thickness of remelted zone and heat affected zone) was dependent on laser parameters (laser beam power density and scanning laser beam velocity). The microhardness of laser remelting boronized layer in comparison with diffusion boronized layer was slightly lower. The presence of heat affected zone was advantageous, because it allowed to obtain a mild microhardness gradient between the layer and the substrate.

Date of online publication


Pages (from - to)

70 - 75




License type

CC BY-NC-ND (attribution - noncommercial - no derivatives)

Open Access Mode

open journal

Open Access Text Version

final published version

Date of Open Access to the publication

6 months after publication

Full text of article

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Ministry points / journal


Ministry points / journal in years 2017-2021


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