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  4. Tailored Laser Structuring of Tungsten Carbide Cutting Tools for Improving their Tribological Performance in Turning Aluminum Alloy Al6061 T6
 
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2023
Journal Article
Title

Tailored Laser Structuring of Tungsten Carbide Cutting Tools for Improving their Tribological Performance in Turning Aluminum Alloy Al6061 T6

Abstract
In times of societal development, sustainability has become a major concern for many manufacturers in the metal industries. In this context, surface texturing of cutting tools offers a promising approach in terms of reducing energy consumption and material waste. In this work, direct laser interference patterning is utilized for producing periodic line-like structures with spatial periods of 2.0 µm and 5.5 µm on rake-flank faces of cemented tungsten carbide cutting inserts. Structure depths up to 1.75 µm are reached by controlling the applied number of laser pulses. Turning experiments under lubricated conditions carried out on Al 6061 T6 parts with textured and untreated tools are performed to determine their tribological performances. The used textured cutting tools can effectively decrease machining forces up to 17% due to the corresponding improvement in frictional behavior at the tool/chip interface. Furthermore, the laser-processed tools produce thinner chips and decrease the surface roughness by 31% of the aluminum work piece.
Author(s)
Baumann, Robert
TU Dresden  
Bouraoui, Yasmine
TU Dresden  
Teicher, Uwe  
Fraunhofer-Institut für Werkzeugmaschinen und Umformtechnik IWU  
Selbmann, Erik
Fraunhofer-Institut für Werkzeugmaschinen und Umformtechnik IWU  
Ihlenfeldt, Steffen  
Fraunhofer-Institut für Werkzeugmaschinen und Umformtechnik IWU  
Lasagni, Andrés-Fabián  
Fraunhofer-Institut für Werkstoff- und Strahltechnik IWS  
Journal
Materials  
Open Access
DOI
10.3390/ma16031205
Additional full text version
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Language
English
Fraunhofer-Institut für Werkstoff- und Strahltechnik IWS  
Fraunhofer-Institut für Werkzeugmaschinen und Umformtechnik IWU  
Keyword(s)
  • laser texturing

  • direct laser interference patterning

  • aluminum

  • tungsten carbide

  • tuning

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