The characteristic heat accumulation within a burst of ultrashort pulses enables the formation of new types of surface alloys. The melt dynamics during irradiation provide the opportunity to change the surface texture in a controlled manner. However, there is still very limited information available on the influence of the topography of solidified melts of these novel surface alloys on the tribological properties of the metal matrix composite (MMC) surface. In this study, the authors report on the use of a burst-mode solid-state laser with an emitting wavelength of 1064 nm and a pulse duration of 10 ps for the surface treatment of the MMC cemented tungsten carbide. This treatment and texturing form a novel surface alloy with different topographies of the solidified melt. The characterization of the generated topographies and their tribological properties is conducted by means of pin-on-disk and nanoindenter hardness measurements of the remelted surfaces. Furthermore, x-ray diffraction analyses provide the basis for the discussion of newly formed phases. The results demonstrate that surface treatment with burst pulses has a significant influence on the tribological properties, which can be manifested in an increase or decrease in the coefficient of friction or wear.
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Research Article|
April 14 2025
Influence of combined burst-mode ultrashort laser irradiation on surface topography and tribological properties of cemented tungsten carbide
Philipp Rebentrost
;
Philipp Rebentrost
a)
(Data curation, Investigation, Visualization)
1
Department of Physics and Laser Technology, Mittweida University of Applied Sciences
, 09648 Mittweida, Germany
a)Author to whom correspondence should be addressed; electronic mail: [email protected]. URL: www.laser.hs-mittweida.de
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Andy Engel
;
Andy Engel
(Data curation, Validation)
1
Department of Physics and Laser Technology, Mittweida University of Applied Sciences
, 09648 Mittweida, Germany
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Daniel Metzner
;
Daniel Metzner
(Conceptualization, Writing – original draft, Writing – review & editing)
1
Department of Physics and Laser Technology, Mittweida University of Applied Sciences
, 09648 Mittweida, Germany
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Falko Jahn
;
Falko Jahn
(Data curation)
1
Department of Physics and Laser Technology, Mittweida University of Applied Sciences
, 09648 Mittweida, Germany
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Nurul Amanina Omar
;
Nurul Amanina Omar
(Data curation)
2
Department of Smart Materials, Mittweida University of Applied Sciences
, 09648 Mittweida, Germany
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Thomas Mehner
;
Thomas Mehner
(Data curation)
3
Department of Materials and Surface Engineering, Chemnitz University of Technology
, 09125 Chemnitz, Germany
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Thomas Lampke
;
Thomas Lampke
(Supervision)
3
Department of Materials and Surface Engineering, Chemnitz University of Technology
, 09125 Chemnitz, Germany
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Kristin Hockauf
;
Kristin Hockauf
(Supervision)
2
Department of Smart Materials, Mittweida University of Applied Sciences
, 09648 Mittweida, Germany
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Steffen Weißmantel
Steffen Weißmantel
(Project administration, Supervision)
1
Department of Physics and Laser Technology, Mittweida University of Applied Sciences
, 09648 Mittweida, Germany
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Philipp Rebentrost
1,a)
Andy Engel
1
Daniel Metzner
1
Falko Jahn
1
Nurul Amanina Omar
2
Thomas Mehner
3
Thomas Lampke
3
Kristin Hockauf
2
Steffen Weißmantel
1
1
Department of Physics and Laser Technology, Mittweida University of Applied Sciences
, 09648 Mittweida, Germany
2
Department of Smart Materials, Mittweida University of Applied Sciences
, 09648 Mittweida, Germany
3
Department of Materials and Surface Engineering, Chemnitz University of Technology
, 09125 Chemnitz, Germany
a)Author to whom correspondence should be addressed; electronic mail: [email protected]. URL: www.laser.hs-mittweida.de
J. Laser Appl. 37, 022020 (2025)
Article history
Received:
September 03 2024
Accepted:
March 19 2025
Citation
Philipp Rebentrost, Andy Engel, Daniel Metzner, Falko Jahn, Nurul Amanina Omar, Thomas Mehner, Thomas Lampke, Kristin Hockauf, Steffen Weißmantel; Influence of combined burst-mode ultrashort laser irradiation on surface topography and tribological properties of cemented tungsten carbide. J. Laser Appl. 1 May 2025; 37 (2): 022020. https://doi.org/10.2351/7.0001677
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