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    • Effect of lubricant degradation on the tribological performance of a wheel-rail system 

      Pérez de Brito, Andrey Fabio
      Abstrac: In this work lubricant degradation and its relationship with tribological behavior was studied. Commercial grease (Sintono Terra HLK) and three versions of a newly developed product (Tribolub) for the Metro system ...
      Universidad Nacional de Colombia Sede Medellín Facultad de Minas Escuela de Ingeniería de Materiales.