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Citation link: http://nbn-resolving.de/urn:nbn:de:gbv:46-00105726-14
00105726-1.pdf
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Laser generated tool surface out of metal matrix composite


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Authors: Freiße, Hannes  
Supervisor: Vollertsen, Frank  
Other Authors: Hohenäcker, Viktor
Seefeld, Thomas
Vollertsen, Frank
Abstract: 
Avoiding lubricants in metal forming offers the possibility of ecological and environmental optimization of industrial production processes. There is a necessity for novel approaches of tool surfaces to withstand higher loads in Dry Metal Forming. In this work, the production technology of a laser generated tool surface with a supporting plateau out of hard particles and its behavior in tribological interaction with high alloy steel are presented. The hard particles stand out of the tool surface and are in direct contact with the sheet material. The influence of the laser energy input on the ablation depth of the metallic matrix and on the ablation depth of the hard particles was investigated. Strip drawing test was applied to determine the friction coefficient as a function of the depression.
Keywords: functional layers, metal matrix composite (MMC), laser melt injection, laser ablation, Dry Metal Forming
Issue Date: 2017
Journal: Dry Metal Forming Open Access Journal 
Start page: 41
End page: 44
Band: Volume 3
Type: Zeitschriftenartikel
URN: urn:nbn:de:gbv:46-00105726-14
Institution: Universität Bremen 
Faculty: FB4 Produktionstechnik 
Appears in Collections:Forschungsdokumente

  

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