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  • Gradt, Thomas (1) (entfernen)

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  • Ball milling (1)
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Organisationseinheit der BAM

  • 5 Werkstofftechnik (1)
  • 5.1 Materialographie, Fraktographie und Alterung technischer Werkstoffe (1)
  • 5.2 Experimentelle und modellbasierte Werkstoffmechanik (1)
  • 6 Materialschutz und Oberflächentechnik (1)
  • 6.3 Makro-Tribologie und Verschleißschutz (1)

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Exploring the beneficial role of tribofilms formed from an epoxy-based hybrid nanocomposite (2015)
Österle, Werner ; Dmitriev, A.I. ; Gradt, Thomas ; Häusler, Ines ; Hammouri, Basem ; Morales Guzman, Pablo Israel ; Wetzel, B. ; Yigit, D. ; Zhang, G.
The composition and nanostructure of a beneficial tribofilm formed during sliding of a hybrid nanocomposite against steel were characterized comprehensively. A similar nanostructure was produced by high energy ball milling of the three identified tribofilm constituents: silica, hematite and graphite. By supplying powders to a pin-on-disc test it has been shown that neither silica, nor hematite, nor a mixture of both provide the low coefficient of friction (COF) observed for the hybrid composite. Only if graphite was blended with the oxides, the low COF was obtained. Thus, a film of finely dispersed stable inorganic wear products containing 15 vol% graphite provides low friction and wear in the considered case.
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